Wisper 705se User manual

- 1 -
Owner’s Manual
Operation and Maintenance Instructions
Wisper 705se
June 2011 1st edition
We strongly recommend that you read this entire manual before
using your Wisper bike
Wisper Limited

- 2 -
User Guide
Introduction Page 3
Part 1 Caring for your Wisper bike and pre use checks
1 Before you set off for the first time Page 4
2 Before each use Page 5
3 Battery care Page 5
4 Recharging your battery Page 6
5 Water Page 6
6 Maintenance and adjustments Page 6
7 Technical specifications and performance Page 7
8 Simple trouble shooting Page 9
Part 2 Controls and Equipment
9 Battery on off and battery lock Page 10
10 The ON/OFF button Page 11
11 The throttle Page 11
12 Pedelec mode and ASSIST button Page 11
13 Throttle mode Page 12
14 Brakes Page 12
15 Steering stem and handle bar clamp Page 15
16 Adjustable front suspension forks Page 16
17 The front connection box (manifold) Page 16
18 Quick release saddle height adjustment Page 16
19 Saddle post suspension Page 17
20 Rims and spokes Page 17
21 Chain and drive wheel Page 17
22 Derailleur Page 17
Warranty, user responsibilities and battery maintenance Page 18
Service contacts Page 19

- 3 -
Introduction
Thank you for choosing a Wisper electric bicycle.
By making the decision to use an electric bike you are helping to safeguard our
environment by saving our planet’s precious resources and reducing carbon pollution.
Before you use your Wisper bike it is important that you read this manual carefully. If
there is anything you do not understand completely please contact us.
Please observe traffic regulations, and don’t lend your bicycle to anyone who is
unfamiliar with it. The bicycle can only legally be used on the road by a person aged 14
years or older.
We strongly advise you to always wear a cycle helmet when using your bicycle and if you
are unfamiliar with cycling to attend a cycle proficiency course prior to using it. Your
Wisper Works 705 is not a toy and should be considered a serious mode of transport.
As with all bicycles it is important that you stay within safe limits, if you feel as if you are
traveling too quickly for the road conditions you probably are so slow down.
Test your brakes prior to using the bike every time you use it and remember the bike will
not stop as quickly in wet or icy conditions as it would on a dry road.
Before you use the bike for the first time you must make absolutely certain that it has
been correctly assembled. You can do this by either taking it to your nearest cycle
engineer or if you are proficient in cycle mechanics inspecting it yourself. In particular
you must make sure that the pedals, saddle, handle bars and any self assembled items
have been correctly fitted.
NEVER drink alcohol and ride your electric bike. The use of alcohol greatly reduces
reflexes and limits your ability to ride safely. Even a very small amount of alcohol will
limit your ability to be safe on the road.
Always wear an approved cycle helmet.
When you need to replace your battery please either dispose of it properly or preferably
send it back to us or our distributors and we will make sure it is properly recycled.
Happy cycling!
Wisper Ltd

- 4 -
Part 1 Caring for your Wisper bike and checks
Although your Wisper bike has been thoroughly tested prior to delivery, it is very
important that you check the bike thoroughly before its first use. Equally important are
frequent and regular spot checks they will protect you and your Wisper bike.
Please read this manual carefully. Only on full understanding of all the functions of this
electric bicycle should you attempt to use it.
Your Wisper bike has been transported in a strong seven-layered corrugated carton. To
save space it has been delivered with the front wheel, handlebars, seat post and seat,
rear rack and pedals ready for assembly with the tool kit provided.
* Rack not supplied on 705 eco model
** Your retailer may have assembled your bike for you if not you will find fitting
instructions on the Wisper website www.wisperbikes.com
1 Before you set off for the first time
1.1 Check the handle bars and handle bar stem are properly tightened
1.2 Check all other nuts and bolts and fixings are properly tightened, pay particular
attention to the motor fixings, side kick stand, yoke and steering head bearings
1.3 Check brakes and brake isolators are functioning properly
1.4 Check tyre pressures are correct and tyres are not damaged
1.5 Check reflectors and lights if fitted are functioning properly
1.6 Make sure battery is fully charged
1.7 Load battery into bicycle and turn on with key
1.8 Check the power and capacity indicator lamps are illuminated on the display
unit on the left hand side of the handle bars. If they do not illuminate press the
on / off switch once
1.9 To avoid dangerous unplanned acceleration, always make sure that the

- 5 -
electrical system is turned off and the power indicator lamps are not
illuminated when mounting, dismounting or leaving the bike unattended. For
your safety, please turn off the power key on the battery when stopped or
walking the bike
1.10 Remember to validate your warranty by visiting
www.wisperbikes.com/mywarranty and filling in your details.
2 Before each use
It is important you perform a quick check of your bike every time you use it. Checks
should include the following (if you do find any damage or problems do not use the bike
until the problem has been solved or you have had the faulty item checked by a bike
mechanic or your retailer).
2.1 Check tyres for any visible damage
2.2 Check tyre pressures
2.3 Check for any loose nuts bolts or fixings
2.4 Check brake functions
2.5 Check electronic functions
2.6 Check reflectors are in place and lights are working
2.7 Check your battery for any visible signs of damage
3 Battery care
3.1 Before you use the battery for the first time it is best to give it a full deep charge
for 12 hours. To fully condition your new battery give it complete deep charge,
discharge cycles for the first three charges. This is achieved by charging your
battery for 12 hours and then using the bike until the battery is completely
drained. After this “conditioning” process you can then charge and discharge
the battery as and when you require for long or short periods.
3.2 If you are going to leave your battery uncharged for more than four weeks it is
best left half to 2/3 charged. You must then re charge it every 6 to 8 weeks using
the conditioning setting on the charger to prevent the voltage from declining
below safe levels which can cause unrepairable damage to the battery cells.
3.3 Before setting off on any journey it is always better to have a fully charged
battery
3.4 Always remember that you use up to three times more power when setting off
under the twist throttle. To preserve the life of each charge always set off using
pedal assist
3.5 Do not expose the bicycle or battery pack to fire, heat sources, acid or alkaline
substances
3.6 When leaving your bicycle during hot weather always leave in a shaded well
ventilated area
3.7 For best results always recharge the battery at room temperature
3.8 Before unloading the battery make sure it is turned off at the key, then raise the
saddle and unload the battery using its handle
3.9 If your battery is damaged or appears to be overheating for any reason
immediately return it to your retailer for advice and a safety check

- 6 -
3.10 Further information on user responsibilities and battery maintenance are
included in the warranty section of this manual
4 Recharging your battery
4.1 The charger supplied with your 2011 model bike has two settings. The standard
setting charges the battery to 42 volts for normal battery use and should be
used if charging the battery ready for use on the bike.
The 39 volt position allows you to condition your battery accurately before putting into
storage. By using the 39V conditioning charge when storing your battery for the winter
etc. you will significantly extend the useful life of your battery.
The 39V conditioning charge should only be used if you intend to keep your battery in
storage for more than four weeks without use.
To use simply click the switch from the standard 42V position to the 39V position and
charge normally. The charger will cut off when the battery reaches 39V instead of the full
42V.
Whilst in storage please recharge (condition) your battery using the 39V position every 6
to 8 weeks.
At all other times use the 42V charge position.
4.2 Make sure the charger is turned off and connect the charger to your battery
then turn on the charger. Red and yellow lamps on
the charger indicate the battery is charging, when
the yellow light turns green the battery is fully
charged. Always turn off the charger and disconnect
from the mains after charging. Always disconnect
the charger from the mains before disconnecting
the charger from the battery. It is possible that the
battery will take up to 12 hours to charge on the
first three charges.
4.2 When charging the battery always do so in a well
ventilated area.
4.3 Do not leave the charger connected to the mains
when not in use.
5 Water
5.1 Your electric bicycle is rain and splash proof and can be used in all weathers.
5.2 The electrical components of the vehicle, such as motor, battery, and controller,
must not be submerged in water.

- 7 -
6 Maintenance and adjustments
6.1 IMPORTANT! Do not attempt to open the casings of the battery, motor or
controller it could be dangerous and all warrantees will become void. If you
experience a problem contact our service department or your retailer.
6.2 Wheel spokes should be adjusted after 300 miles riding. Handlebar and saddle
tubes should never be raised beyond the maximum indicated by a safety line
around the tubes. The recommended torque on the nuts is as follows:
(A)Front axle nuts. 46N.M
(B)Back axle nuts. 70N.M
(C)Handlebar clamp bolts. 12N.M (Refer 15.1 picture)
(D)Handlebar stem expander bolt. N/A
(E) Seat pillar clamp nut/bolt. (5-8) N.M
(F)Brake cable anchor bolt. 5N.M
(G)Brake centre bolt. 11N.M
(H)Seat clamp nuts. 24N.M
(I)Crank axle nuts. R:42N.M L: 46N.M
(K) Gear shifter nuts. 4N.M
(L) V brake caliper nuts. 10N.M
(M) Rear carrier nuts. 8N.M
(N) Mudguard bracket nuts. 8N.M
Other general torque settings depend on the thread size. M4：2.5-4.0N.M M5：
4.0-6.0N.M M6：6.0-7.5N.M
6.3 Your bike has a rear derailleur that will automatically tension your chain.
However if the chain becomes loose or frequently comes off the front
chainwheel, please seek advice from your nearest Wisper dealer.
6.4 The brake leavers should lock the wheels when compressed half way between
their open position and touching the handle bars. If not please adjust following
instructions provided below.
6.5 Warning: Handlebar hand grips or tube end plugs should be replaced if
damaged, as bare tube ends have been known to cause injury.
6.6 Warning: Any replacement forks must have the same rake and same tube inner
diameter as the originally fitted to the bicycle.
6.7 Front and rear brake blocks must be replaced if the grooves are no longer
visible.
IMPORTANT braking distances increase on wet or icy roads.
6.8 Lubrication:
6.8.1. Once a month lubricate all pivot points on the derailleur with chain lube.
6.8.2. Every three months lubricate the brake lever pivots, the gears and chain
with light oil and the brake arm bushes (not the brake blocks) with a little
grease.
6.8.3 Once a year, have your dealer re-grease the headset bearings, front wheel

- 8 -
bearings and pedal bearings.
6.9 Recommended tools for proper maintenance:
Torque wrench with lb•in or N•m gradations 2, 4, 5, 6, 8 mm Allen wrenches
9, 10, 15 mm open-end wrenches 15 mm box end wrench
Socket wrench, 14, 15, and 19 mm socket T25 Torx wrench
No. 1 Phillips head screwdriver Bicycle tube patch kit, tire pump
7 Technical specifications & performance
Type Wisper Works 705 se range
Performance (with 75kg 165lb rider)
Assisted range Between 50km and 85km depending on battery size
Battery only Between 38km and 50km depending on battery size
Maximum speed 25kph (15.5mph)
Weight with battery 22Kg to 24Kg depending on battery size
Maximum load 130kg (240kg)
Battery specifications
Cell Type Advanced Environmental Lithium Polymer with BMS
Capacity 9Ah, 11Ah or 15.5Ah
Rated voltage 37V
Main Controller specifications
Low voltage safeguard 31.5V
Overload current safeguard 14A
Main hub motor specifications
Motor type Hi speed brushless
Rated power Aus 200W / NZ Europe 250W / USA Canada 350W
Rated voltage 36V
Charger Lithium 115 to 230V 36V fan cooled. Current rating dependant
on battery size

- 9 -
8 Simple Trouble shooting
Problem
Possible reasons
Trouble shooting
Top speed too
slow
1. Low battery voltage
2. Handle bar control problem
3. Damage to motor driveline
1. Recharge battery fully
2. Call service
3. Call service
Power on but
motor not working
1. Battery not connected
2. Battery fused
3. Motor connection damaged
4. Handle bar control problem
1. Re install battery
2. Replace fuse
3. Call service
4. Call service
Driving shorter
distance per
recharge
1. Tyre pressure too low
2. Undercharge or charger fault
3. Battery capacity loss or
damage
4. Hill climbing, frequent stops,
strong head winds, over
loading
1. Check pressures
2. Recharge completely or
have charger inspected
3. Replace battery
4. Use power assist and try and
avoid throttle only
LED Handlebar Mounted Display
Diagnostics / Fault Identification
LED Status
Excessive motor current
First light flashes
Throttle fault
Second light flashes
Motor connection or internal
fault
Third light flashes
Motor sensor fault
Forth light flashes
Brake cut out fault
Fifth light flashes
System electronics / software
failure
Six lights flashes same time

- 10 -
Part 2 Controls and Equipment
In this section we will describe the functions and any specific maintenance needed on all
the main controls and ancillary equipment.
9 Battery on off and battery lock
9.1 Your Wisper bike has one key. The key turns the battery
on/off and locks the battery in the bike. Please keep a
careful note of the key numbers as we cannot replace
them without these numbers should they become
mislaid.
9.2 The battery is connected to the electrical system of the
bike automatically when you slide the battery into the
frame. To turn on the bike’s electrical system, turn the
key in the battery clockwise, to turn off the power turn
the key anti clockwise.
9.3 When the battery has been turned on the bike is now ready for use. The
ON/OFF button on the handle bar isolates the power from the bike, when the
bike is “on” you will see the battery power lights illuminate above the capacity
indicator. When the ON/OFF button is pushed and the lights go out you have
turned the bike “off”. When the bike is “off” you will not get any assistance from
the battery and motor and the bike is effectively simply an unpowered push
bike.
9.4 To lock the battery into the bike frame turn the key clockwise the locking bolt
holds in the frame, if you want to turn the battery power on, turn clockwise
again, if you want to unlock press the key in and turn the key anti clockwise fully
while the key at lock position (Refer to the picture). Please read section 3 and 4
for battery care and advice on charging at the beginning of this manual.
9.5 The battery can be charged either on or off the bike.
9.6 To remove the battery turn off the power by turning the key to position
“Unlocking”, and remove the seat post and saddle. Using the handle on top of
the battery lift out the battery.
9.7 To replace the battery reverse the procedure for removing it.
9.8 Check there is no excessive movement of the battery when riding the bike. If
movement is found adjust the position of the small L shaped bracket locating
the top of the battery guide rail to the frame until the excessive movement is
eliminated. This is done by slackening the two adjusting screws located beneath
the frame brace at the front luggage rack mount and moving the bracket
forward. Retighten the screws securely. See picture below. (caution –do not
remove all clearance as it will be difficult to remove the battery if this is done).
view from below
of bracket and
screws

- 11 -
On the handle bars
10 The ON/OFF button and Light Button
10.1 To turn the power on so the pedelec and throttle work simply press the ON/OFF
button once, the lights will illuminate showing the power is on. When the
ON/OFF button is pushed again and the capacity indicator lights go out you have
turned the bike “off”. When the bike is “off” you will not get any assistance from
the battery and motor and the bike is effectively simply an unpowered push
bike. The 4 capacity indicator lights provide an indication of battery capacity
remaining with 4 lights indicating the battery is at full capacity. The display also
incorporates a diagnostic function as shown in section 8. If any of the lights
flash continuously refer to the above section for the description of the fault.
10.2 The LIGHT button can be found close to ON/OFF button. If you press it when the
bike power is on, the LED headlight on the front fork and rear light will
illuminate. Press it again to switch of the lights. The power for the light comes
from the bike battery. Due to a low power consumption use of the lights will not
reduce your range.
11 The Throttle
11.1 The twist grip throttle can be found on the left hand side of the handlebars.
Further details of the operation are provided below.
12 Pedelec mode and ASSIST mode
12.1 When you first ride your Wisper bike you will notice that after one turn of the
pedals the motor will start working assisting you ride the bike by adding power
to the back wheel. This is the standard or pedelec mode. To continue using the

- 12 -
pedelec mode you must keep turning the pedals, if you stop pedaling the motor
will stop and the bike will slow to a halt. If you start pedaling again after one
turn the motor will start again.
12.2 You will find the ASSIST button on the panel on the handle bars with 6
associated LEDs (small lights). Each time the button is pressed the LEDs
illuminate sequentially ranging between 1 and 6 and the corresponding power
level in pedelec mode increases in increments of 20%. Setting 6 provides 100%
power.
12.3 Setting 6 is generally used when you need the maximum amount of assistance
from the motor. Lower settings are used when you do not need the instant
100% power, high traffic situations or poor conditions such as ice and snow
when full power immediately could be dangerous. Power settings can be
changed when the bike is stationary or when on the move.
13 Throttle mode
13.1 The throttle can be used independently to the pedelec mode but the operation
will vary depending on the country where the bike is supplied. Bikes are set up
to be legal in the region in which they are supplied and will either provide full
power (100%) or power up to 4 mph (6kph) (walkalong mode) independently of
the pedelec.
13.2 The independent use of the throttle, when available, will enable you to use the
throttle without pedaling.
13.3 The use of the throttle in pedelec mode is legal in most countries. Throttle in
pedelec mode enables you to apply the power to the motor as long as you are
pedaling the bike, if you stop pedaling the motor will stop too. If you have the
pedelec mode set too low, you can increase the assistance from the motor by
turning the throttle towards you.
IMPORTANT Make sure your throttle and handlebar grips are always intact and in good
condition. Uncovered handlebar tubes can be very dangerous.
14 Brakes
14.1 Front: Disc brake Rear: V brake
14.2 The brakes on your Wisper bike are fitted
with cut outs which are required by law.
This means that when you pull on either the
back or front brake lever the motor
immediately stops working.
14.3 Regularly inspect brake pads for wear.
Replace brake pads if the grooves are no

- 13 -
longer visible.
Adjustment for rear V brake:
14.3.1. Use a 5mm Allen key to loosen bolt “A”to release the cable. Use a 5mm
Allen key to loosen bolt “C”(right & left), then remove the spacers and
washer
14.3.2. Install new brake pads, then with both pads pressed against the wheel
rim, ensure that distance-B (in diagram) does not exceed 65mm. To
decrease distance-B, exchange wide & narrow spacers on each brake pad.
Before finally tightening brake pads, make sure they are aligned correctly
on the rim, and there is a gap of 1mm between the top of the rim and
the top of the pad. Hold each pad against the rim (one at a time) &
tighten “C”bolt. Final tightening Torque: 6-8N.M
14.3.3. Refit the cable to bolt “A”, slot cable guide pipe into holder and fit
protector over guide pipe end. Adjust cable in bolt “A”bolt so that
combined pad/rim clearance (the gap from left pad to left rim surface
and from right pad to right rim surface) is 2mm, then tighten bolt “A”.
Final tightening torque: 6-8N.M.
Balance brake arms by turning screw “D”. Apply the rear brake lever a few
times while checking to see that tension is equal for both arms. Pad/rim
contact should occur at the same time each side. Clearance should be 1mm
each side. Do not set the tension too high.
14.3.4. Re adjust pads so they are properly aligned (see step 2), as tension
adjustment may have altered original pad alignment.
Front Disc brake adjustment:
Mechanical disc brakes offer several advantages over traditional rim brakes
including better braking in wet, muddy or other adverse conditions, less braking
power fade over extended downhill braking and the ability to continue braking
even if your rim becomes bent or distorted.
14.3.1. Adjusting the pads and caliper
14.3.1.1. On the disc brake use a 5mm Allen wrench to adjust the
stationary caliper adjusting bolt at the back (hub side) of the caliper.
Adjust the bolt so that there is 0.3mm clearance between the
stationary (hub side)
pad and the rotor.
(see picture below)

- 14 -
14.3.1.2. Adjust the cable adjuster bolt on the caliper so that there is
0.3mm clearance between
the outside pad and the rotor.
(see picture below)
14.3.2. Installing and removing pads.
Caution: The pads and rotor must be kept clean and free from oil or grease
based contamination. If the pads become contaminated you must discard
them and replace them with a new set. A contaminated disc should be
cleaned with a proprietary brake cleaning solution.
14.3.2.1. Remove the caliper from the fork leg complete with the mount
adapter by removing the two 6mm Allen caliper fixing screws. The
pads can then be removed by grasping the pad end-tab, lifting the
pad clear of the piston pin and then manoeuvering it out of the
rotor slot in the caliper body.
14.3.2.2. To refit the pads hold the pad end-tab, insert it into caliper
slot with its metal backing towards the piston. Make sure the hole in
the metal backing goes over the piston pins. When correctly
inserted, the pad will be held in place magnetically. Repeat the
procedure for the other pad. Refit the caliper complete with adapter
to the front forks using the two 5mm Allen screws and tighten
securely to 5 to 6 N.M and repeat the adjustment procedure
described above. (note 1 –use of a thread locking compound is
recommended on the calliper fixing screws)
Note 2: Disc brake pads are held in the caliper magnetically. No tools are
required to install or remove them. As the left and right pads are the same
they may be inserted on either the left or right of the caliper.
Warning: If you are unsure about any part of the installation process you
should seek advice from Wisper service center or qualified mechanic.

- 15 -
15 Stem and handle bar clamp
15.1 Your bike has been fitted with an adjustable handlebar clamp that allows you to
change the angle and height of the bars with a 5mm Allen key to find the most
comfortable riding position.
15.2 The stem and handle bars can be adjusted before you use the bike by slackening
the 5 bolts indicated by the arrows below along with the clamp bolt located underneath
the adjustable part of the stem (clamp bolt shown in the second picture). Once a
comfortable position is achieved securely tighten the clamp bolt located underneath the
adjustable part of the stem first so that the teeth in the serrated clamp plate engage
firmly with the adjustable part of the stem, followed by the other 5 bolts. Then 2 bolts
securing the stem to the steerer tube should not normally need to be adjusted or
slackened in normal use. All bolts to be tightened to 12 N.M

- 16 -
16 Front suspension forks
16.1 Your bike has been fitted with RST Vita adjustable front suspension forks
16.2 Adjustment can be made by turning the preload adjuster located on the left
hand side of the fork crown. Turn the adjuster clockwise to increase the suspension
preload and anticlockwise to reduce. The damping adjustment is located on the right
hand side of the fork crown. Turn the adjuster clockwise to make the damping softer and
anticlockwise to make it harder. When turned fully anticlockwise the forks will be locked
with not suspension movement.
17 The front connection box (manifold)
17.1 The front connection box (manifold) allows for the easy removal for diagnosis,
repair or replacement of any of the electronic components on the handle bars.
The connections to the handlebar electronics are made through bayonet
connectors. The bayonet connectors, being a push fit are simple to disconnect or
re connect and click into position when fully engaged. Each connector has a
different number of pins so it is important to ensure the connectors are only
mated in their original positions as damage may occur to the pins if this
procedure is not followed.
18 Quick release saddle height adjustment
18.1 Your Wisper bike has been fitted with a quick release saddle post collar to
facilitate the movement of the saddle to remove the battery or to change the
riding position.
18.2 It is important that the nut on the collar is tightened so the post will not move
in the bike tube. Make this adjustment with the quick release lever in the open
position.
18.3 Adjust the seat to the correct height and close the lever. When you sit on the
saddle there should be no vertical movement at all in the saddle post. Never
apply grease to the saddle post.

- 17 -
19 Saddle post suspension
19.1 For your comfort your bike has been fitted with saddle post suspension it has
been set for a person weighing 75kg. If you are lighter than this you may not
feel any benefit and if you are heavier you may feel the suspension bottoming
out.
19.2 The suspension post can be adjusted by removing the whole post with saddle
attached from the bike. On the bottom of the post you will find an Allen key
adjuster. Simply turn it clockwise to tension the spring for heavier people and
anticlockwise to release tension for lighter people.
IMPORTANT never raise the saddle post the point where the maximum marks on the
saddle post are visible above the quick release collar and never grease the post.
20 Rims and spokes
20.1 It is essential to get your spokes checked and tightened after 300 miles. This is a
free service provided by your supplier. If this service has not been undertaken at
the correct time this may cause damage to the wheels and spokes that will not
covered under our guarantee.
21 Chain and drive wheel
21.1 The chain and drive wheel are made from rust proof materials.
21.2 Lightly oil with bicycle chain oil the chain at least every 3 months or more often
in harsh conditions.
21.2 Because your bike has a rear derailleur the chain will be automatically adjusted.
22 Derailleur
22.1 Full details on how to adjust and maintain your derailleur can be found on our
website www.wisperbikes.com Electric bikes, Manuals.

- 18 -
Warranty, battery maintenance and user
responsibilities
Repair or replacement of components
IMPORTANT To validate this Warranty the retail customer must register the bike at
www.wisperbikes/mywarranty within 14 days of purchase.
Only use this product in accordance with this user manual. We offer a limited warranty of on the
following items.
1
The main frame
Six years
2
Gears, bearings, motor shell, hub motor, front forks
Two years
3
Handle bar controls, brakes (excluding brake shoes and pads)
One year
4
Controller and Charger
Two years
5
Battery casing, battery leak, battery capacity step-down more than 25%
Two year
6
Paintwork (excluding deliberate or accidental damage)
Two years
7
Front and rear axle, flywheel or chain wheel
One year
8
Electro plating, on wheel rims, rack and kickstand
Six months
9
Other cases that render the bike unsafe to use.
By negotiation
1. If the product has a fault within 14 days of delivery the part will be repaired or replaced or in
exceptional circumstances we may replace the whole vehicle.
2. The period of assurance shall commence from the day delivery was made to the retail customer,
or from the day the retail customer collected the bike from the retailer.
3. To validate this Warranty the retail customer must register his / her bike at
www.wisperbikes/mywarranty within 14 days of purchase.
Exceptions to Limited Warranties
1. Damage resulting from misuse, not maintaining the vehicle or not following the guidelines within
this user guide
2. Accidental or deliberate damage
3. Damage due to private repair or alteration by user or unauthorised service centre.
4. Failure to produce invoice or proof of purchase.

- 19 -
5. Spare parts and components worn in normal use.
6. Failure to register your bike at www.wisperbikes/mywarranty within 14 days of purchase.
It is essential to get your spokes checked and tightened after 300 miles. This is a free
service provided by your supplier. If this service has not been undertaken at the
correct time this may cause damage to the wheels and spokes that will not covered
under our guarantee.
Battery maintenance and user
responsibilities
Your Wisper bike is equipped with a powerful, high quality lithium ion (polymer) battery. Lithium ion
(polymer) is recognised as being the very best type of battery for electric bicycle use.
All lithium ion batteries must be well cared for to optimise useful life and range. It is the responsibility of
the bike owner/operator to ensure the battery is looked after properly. Incorrect use or storage of your
battery may cause damage and void your warranty.
It is not unusual for a well-maintained battery to last for many years. Though your bike will feel less
powerful as the battery gets older and the range will diminish you can continue using the battery for
years to come. Akey point to remember when choosing a battery is to check the battery capacity (Vx Ah
= Wh the battery’s capacity) i.e.16Ah x 36V = 576Wh. When such a battery loses 30% of its capacity it
will still have 403Wh left, only a little less than a new 24V 18Ah (468Wh) or a 36V 12Ah (432Wh) battery.
Choosing a larger battery not only gives you more power and range but is often more economical in the
long term.
The key to having a long lasting Li Po battery is to look after it. This means never leaving your battery
fully discharged and always conditioning the battery when not in use i.e. in the winter
If a battery is not cared for as per our instructions it will not reach it’s optimum performance and may not
be covered by our warranty.
Three simple rules
1. Never leave your battery completely discharged
2. Always charge your battery before storage
3. If your battery is left unused for 4 weeks recharge it using the conditioning setting on the charger
For optimum battery performance
1.Never leave your battery completely discharged
2.Always recharge your battery if convenient even after a short journey
3. During long periods of storage and non-use keep your battery about 2/3 full and top up with a
conditioning charge every 6 to 8 weeks.
4.Only use the charger supplied with your battery or a correct model replacement from Wisper.
5.When in storage keep your battery in a dry room.
6. For optimum power, range and longevity keep your battery in a warm room above 15 degrees

- 20 -
centigrade.
We reserve the right to check batteries claimed under warranty to ensure they have been maintained as
per our instructions.
Service through
Your retailer
or
Wisper Ltd
10 Oakenbrow
Sway
Hants
SO41 6DY
Tele: 01590 681553
Mobile: [phone]
[email protected]
www.wisperbikes.com
Copyright January 2010 Wisper Ltd