SSR Motorsports SR250S User manual

1
User
User
User
User ’
’
’
’ s
s
s
s Safety
Safety
Safety
Safety Statement
Statement
Statement
Statement
Dear customer, please don ’ t ride the motorcycle before you are not reading this handbook or unknown this
motorcycle performance, also don ’ t borrow to anybody who don ’ t know how to use.
Driver ’ s attention ：
1
1
1
1、
、
、
、Before
Before
Before
Before driving
driving
driving
driving
1Check motorcycle condition careful,don ’ t ride if get ill; ②Don ’ t ride when feel sick or take medicine ； ③ Strickly prohibit drunk driving and
driving without linence; ④Be sure to wear the p rotective equipment ；
⑥The driver must be adults over the age 18 。
2
2
2
2、
、
、
、In
In
In
In the
the
the
the drive
drive
drive
drive
1This vehicle not belongs to on-road type, please don ’ t ride on the street ；
2Keep a good mood and psychological qualit ies, pay all attention on driving ； ③ Reduce the rapid acceleration and suddenly brake
times to prevent the emergencies ；
3Should slowly when driving detour road to prevent skid(Prohibit use the front brake,otherwise the vehile will easy to fly out) ；
⑥When rainy or snowin, the ground friction is small and brake distance will be longer,the vehicle should be slowly and brake operation
should be soft to avoid locking fall down ；

2
The company reserves it ’ s rights to make any changes due to product updates.
Introduction
Introduction
Introduction
Introduction
1
1
1
1、Resume
Resume
Resume
Resume
……………………………………………………………………………………… P
P
P
P 2~P
2~P
2~P
2~P 7
7
7
7
2
2
2
2、Maintenance
Maintenance
Maintenance
Maintenance
………………………………………………………………………………… P8~P33
P8~P33
P8~P33
P8~P33
3
3
3
3、Elertrical
Elertrical
Elertrical
Elertrical schematics
schematics
schematics
schematics
……………………………………………………………… P34
P34
P34
P34
4
4
4
4、Product
Product
Product
Product warranty
warranty
warranty
warranty description
description
description
description ………………………………………………………… P35
P35
P35
P35
1
1
1
1、Resume
Resume
Resume
Resume
Maintenance rules …………… 1-3 Front wheel / Suspension / Handle description ………… 1-6
Brief ………………………… 1-3 Rear wheel / Suspensiondescription ………………… 1-7
Lubrication system description …1-5 Battery / Charging system description …………… 1-7
Fuel system description …………… 1-6 Ignition system description …………………… 1-7
Cooling system description ……… 1-6

3
Maintenance
Maintenance
Maintenance
Maintenance Regulation
Regulation
Regulation
Regulation
1. Must to use this company or this company recommend spare parts or lubricants ；Not to suits to this company designing
parts or lubricants ,may damage the vehicle .
2. Should use the metric tool, bolt, nuts and screws to maintain vehicle , it ’ s not can be interchanged with British system.
3. If rebuild the vehicle should change the new gaskets, O-rings, split pins and retainer rings.
4. When tighten bolts and nuts,first starting with the big diameter or from the inner bolts. And t hen increase the number of
steps by diagonal unless specified special order to tighten to the specified torque.
5. After decomposition,should clean the spare parts in the cleaner solvent; lubricating every smooth surface before
assembly .
6. After assembly,check all spare parts installation and operation, if all these are right.
7. Dredge all the cables and wiring harness .
8. Please go to our authorized dealers for repair, unless the owners have special tools and maintenance of data and is a
qualified mechanic.
Brief
Brief
Brief
Brief (Technical
(Technical
(Technical
(Technical specification)
specification)
specification)
specification) :
:
:
:Motorcycle running-in period is 1000km, then at the range of 1000Km, the speed
should not exceed 50km/h.
Items Description
Measurement
Length
width
2180mm
830mm

4
Height
Wheelbase
Seat height
Minimum ground clearance
Whole weight
1280mm
1486mm
960mm
310mm
135kg
Chassis
Material
Front wheel size
Rear wheel size
Alloy
80/100-21 ’’
110/100-18 ’’ or 110/90-19 ’’
Engine
Type
Maximum power / Rotate speed
Maxmum torque / Rotate speed
Idle speed
Minimum fuel consumption
Bore ×Stroke
Displacement
Compression ratio
Intake type
Lubricating system and pump type
ZS177 （The type number remarks upper the left axle
box ）
Single cylinder, 4-stroke, water-cooling
19.5 kw / 9000 r / min)
23 N.m /(7000 r / min)
1500 ±100 r/min
≤367g/kw.h
77 ×53.6mm
249.6 ml
11.5:1
SOHC 、4 valves
Pressure splash

5
Ignition advance angle
Valve clearance （cold ）
Spark plug type
Measurement
Net weight
Transmission type
BTDC 12 °[3000r/min]
Intake valve ：0.03 mm
Exhaust valve ：0.05mm ；
CHAMR10N RG6YC
370mm ×315mm ×415 mm
30 kg
Chain
Reduction ratio
Clutch type
Gearshift type
Manual 、Wet muiti-plate
F ive gears international type, two levels of transmission 6
gears shift
Primaryr reduction ratio ：2.91
First gear ：2.58
Second gear ：1.8
Third gear ：1.33
Fouth gear ：1.1
Fifth gear ：0.96
Sixth gear ：0.88
Electrical
equipment
Ignition type
Starting system
Starting performance
DCDI
Electric & Kick
≤15 s

6
Lubrication
Lubrication
Lubrication
Lubrication system
system
system
system
Items
Engine lubricat oil capacity 1600ml Oil brand ：APL SJ SAE10W-40
Fuel
Fuel
Fuel
Fuel system
system
system
system
Items Description
Oil brand 97#
Capacity 8.0L
Tank capacity 1.4L
Cooling
Cooling
Cooling
Cooling system
system
system
system
Items Description
Cooling liquid
capacity
Replacement 1.11L
Disassembly 1.20L
Recommended antifreeze Coolant or the same mass of ethylene glycol antifreeze
Standard coolant concentration Mixed 1:1 with distilled water

7
Front
Front
Front
Front wheel
wheel
wheel
wheel /Suspension
/Suspension
/Suspension
/Suspension /
/
/
/ Operate
Operate
Operate
Operate specification
specification
specification
specification
Items Standard Maintenance limited
Cooling wheel pression 32/2.25 （Psi/Bar ）-
Max load 455/206 （Lbs/Kgs ）-
Rear
Rear
Rear
Rear wheel/Suspension
wheel/Suspension
wheel/Suspension
wheel/Suspension specification
specification
specification
specification
Items Standard Maintenanace limited
Cooling wheel pression
32/2.25 （Psi/Bar ）
-
Max load 617/280 （Lbs/Kgs ）-
Drive chain 112 joints -
Battery/Charging
Battery/Charging
Battery/Charging
Battery/Charging system
system
system
system
Items Description
Battery
Capacity 12V-6Ah
Current consumption
Max ：0.1mA
Voltage （20
0
/68
0
F）Fully charged 13.0-13.2V

8
Ignition
Ignition
Ignition
Ignition system
system
system
system
Items Description
Spark plug Standard CHAMPION RG 6YC
2.
2.
2.
2. Maintenance
Maintenance
Maintenance
Maintenance
First: Maintance date ……………………………… 2-9 Fourteenth: Engine oil/oil filter …… … 2-23
Second: Technique maintenace …………………… 2-10 Fifteenth: Engineidle speed ………… 2-26
Third: Racing technique maintenance ……………… 2-12 Sixteenth: Drive chain ……………… 2-27
Fourth: Frequently changed additional issues …… 2-14 Seventeenth: Drive chain slider ……… 2-27
Fifth: Oil tube ………………………………………… 2-15 Eighteenth: Drive chain rotor …………… 2-28
Sixth: Oil filter screen ……………………………… 2-16 Ninteenth: Active/driven sprocket ……… 2-28
Seventh: Accelerator operation ………………………… 2-17 Twentieth ：Brake fluid ………………… 2-29
Eighth: Hot start ………………………………………… 2-17 Twenty-first: Brake block wear ………… 2-30
Nineth: Air filter ………………………………………… 2-18 Twenty-second: Brake system ………… 2-30

9
Tenth: Spark plug ……………………… 2-19 Twenty-third: Rocker arm/Vibration coupling …… 2-31
Eleventh: Radiator coolant …………… 2-19 Twenty-fourth: Wheels/tires ……………… 2-32
Twelfth: Cooling system ………………… 2-20 Twenty-fifth: Front tube bearing ……… …… 2-33
Thirteen: Valve clearance/Decompression device system … 2-21
First:
First:
First:
First: Maintenance
Maintenance
Maintenance
Maintenance date
date
date
date
Summary
1、Before maintenance put motorcycle on the level ground .
2、Ensure the maintenance of a well-ventilated environment .
3、Prepare the work table(under the engine) and tools.
4、If exhaust system not cooling enough before to disaccemble spare parts or maintenance ,it will make a serious scald.
5、Must replace the exhaust pipe gasket when take off exhaust pipe from Engine .
6、Must check the exhaust system for leak after installition is complete .

10
Second:
Second:
Second:
Second: Technique
Technique
Technique
Technique maintenance
maintenance
maintenance
maintenance
I ： Check and clean, adjust ,if necessary lubricate or replace C:Clean R ： Replace A:Adjust L:Lubricate
Frequency
Items
No matter which one
First
time to
maintain
Trip distance or Date
first Minutes 100 600 1200 1800 2400
received Kilometers 150 1000 2000 3000 4000
Note Month 1 6 12 18 24
* Oil-way I I
* * Fule filter screen C C
* Accelerator I I
Air filter （ Note 1 ） C C C C
Crankcase
breather pipe
（ Note 2 ） I I I I
Spark plug I I I I
* Air valve I I I I I
Machine oil R R R R R
Oil filter R R R R R

11
*
Decompression
device
I I I I I
* Idling I I I I I
Coolant fluid （ Note 3 ） I R
* Cooling system I I I I I
*
Secondary air
system
（ Note2 ） I I
Transmission oil R R R R R
Drive chain （ Note 1 ） I ， L I ， L ： Per 500km O r 3 months
Chain slider （ Note 1 ） I I ， L ： Per 500km O r 3 months
Brake fluid （ Note 3 ） I I I I
Brake block I I I I
Brake system I I I I I
* Lights I I
Clutch system I I I I I
Side stay I I
* F/R damping I I
*
Nuts 、 Bolts 、
Fasteners
I I I

12
* * Wheels/tires I I I I I
* * Front tube bearing I I I
9. * Please go to our authorized dealers for repair, unless the owners have special tools and maintenance of data and is a
qualified mechanic.
* *To be safe,we recommend all of these items should go to our authorized dealers for repair .
Remarks
Remarks
Remarks
Remarks ：（1） 、 If driving on the wet and dusty road ,should maintain frequently .
（2） 、 Repalce per 2 years with technique skill.
Third:
Third:
Third:
Third: Racing
Racing
Racing
Racing technique
technique
technique
technique maintenance
maintenance
maintenance
maintenance
Check all items before racing .
I:Check and clean, adjust ,if necessary lubricate or replace C:Clean R ： Replace A:Adjust L:Lubricate
Items Frequency
Notes
About 2.5
hours
Abouy 7.5
hours
About 15.0
hours
About 22.5
hours
About 30
hours
Accelarator I
Choke valve I
Air filter (Note 1) C
Crankcase breather
pipe
I
Spark plug I

13
Coolant fluid (Note 2) I
Valve/Decompression
device
(Note 4) I
Machine oil (Note 3) I R
Oil filter (Note 3) R
Idling I
Piston and piston rings R
Piston pin R
Cooling system I
Drive chain I,L R
Chain slider I
Drive chain rotor I
Active/driven sprocket I
Brake fluid (Note 2) I
Brake block I
Brake system I
Clutch system (Note 5) I
Control cable I,L
Exhaust pipe/Silencer I

14
F/R Damping I
Rear fork/ Rocker arm L
Front shock absorber
oil
(Note 3) R
Nuts 、 Bolts 、 Fastener I
Wheels/Tires I
Front tube bearing I
This maintenance schedule is base on the driving average condition.The vehicle must be checked according to this
maintenance list .
Remarks
Remarks
Remarks
Remarks ：1、First time to riding in the dirty environment should clean the vehicle .
2、Should check the vehicle after the first time no-race ride .
3、If replace the clutch plate and baffle ,should replace the transmission oil .
Fourth:
Fourth:
Fourth:
Fourth: Additional
Additional
Additional
Additional items
items
items
items should
should
should
should be
be
be
be changed
changed
changed
changed frequently
frequently
frequently
frequently
Engine
Engine
Engine
Engine
Items Reasons Remarks
Cylinder head gasket
Clutch pressure plate
Leakage of a crush
Abrasion or rust
As long as disassemble to be
replaced

15
Head gasket
Right side cover sealing
Leakage
Damage
As long as disassemble to be
replaced
As long as disassemble to be
replaced
Chassis
Chassis
Chassis
Chassis
Items Reason Remarks
F/R wheels
F/R Brake plate
Assembly bolts on the frame
Chain sliding plate
Side guard plate
Front covering parts
Front and rear fender
Clutch handle/stay
Brake handle
Kick start bar
Handlebar
The throttle handle
Grip
Shift lever
Abrasion
Abrasion
Strain or abrasion
Abrasion or damage
Damage
Damage
Damage
Excessive gap or damage
Excessive gap or damage
Excessive gap or damage
Deformation or fissure
Damage
Damage
Damage
Minimum tread height:8mm
Minimum thickness :1mm

16
Brake pedal
Chain adjuster/bolts
Air filter
Damage
Damage
Damage
Notes
Notes
Notes
Notes ：
·These spare parts and maintenance list are base on the average riding environment
·Vehicle must be checked strictly according to the user manual .
Fifth:
Fifth:
Fifth:
Fifth: Oil
Oil
Oil
Oil tuble
tuble
tuble
tuble
Check the oil tube ageing,if necessary should replace it, see Figure 5-1
Sixth:
Sixth:
Sixth:
Sixth: Oil
Oil
Oil
Oil filter
filter
filter
filter mesh
mesh
mesh
mesh
Disassemble fuel tank: first drop the oil into container, remove the tubing,bolts and oil switch, then clean the oil filter ,ensure
the O-ring in a good condition and install it to oil switch ,re-install in reverse order with the disassemble, install the fuel
tank (Make sure there is no leakage after installation). See Figure 6-1, Figure 6-2
Figure 5-1

17
Seventh:
Seventh:
Seventh:
Seventh: Accelerator
Accelerator
Accelerator
Accelerator operation
operation
operation
operation
Check the throttle grip, it should be rotate smoothly and freely return; Check the throttle cable, if it ’ s ageing or damage
should be replaced; If throttle operate not smoothly should lubricate the cable;The free rotation distance of adjust throttle
grip is in 3-5mm.
Eighth:
Eighth:
Eighth:
Eighth: Cold
Cold
Cold
Cold start
start
start
start
Figure 6-1
Figure 6-2

18
Check the cold start grip, if necessary lubricate it ; check the cables,if these are damaged, replaced ; Ensure the cold
start grip free travel in 2-3mm( See the Figure 8-1),tightening lock nuts and install the dust cover ( See the Figure 8-2 )
Nineth:
Nineth:
Nineth:
Nineth: Air
Air
Air
Air Cleaner
Cleaner
Cleaner
Cleaner
Open the air cleaner side cover, remove the retaining bolts.Remove the
filter element from bracket, put it into clean cleaner to wash, and then get it
from that cleaner to the hot soup-sudz to wash; Clean the air filter inner room
to ensure there is no mess; When the air cleaner and filter are completely dry,
put filter to the special filter oil, use hand rubbing the filter ensure the oil can
Figure 8-1
Figure 8-2

19
be entered, squeeze the excess oil.Reinstall the air cleaner.
Notes
Notes
Notes
Notes ：If the air cleaner assembly install incorrectness, the dirt
or dust will enter the engine causing the piston rings and cylinder
early period abrasion.
Tenth:
Tenth:
Tenth:
Tenth: Spark
Spark
Spark
Spark plug
plug
plug
plug
Disassembly
Disassembly
Disassembly
Disassembly
Disassemble fuel tank, remove the spark plug cover from cylinder
head, disassemble spark plug,and check it to see if it is damage (See Figure
10-1).(Before disassemble,use the compression air to clean the spark plug, ensure
there is no mess enter the combustor.) According to the technique maintenance
Figure10-1

20
list to check and replace.
Check
Check
Check
Check
Check the following spare parts, if necessary replacement.
·If heat guard is damaged
·If electrode is abraded
·Combustion condition 、tinting ；
If electrode was contaminated by carbon or other dirt,please replace the spark plug.
Rrcommended
Rrcommended
Rrcommended
Rrcommended spark
spark
spark
spark plug
plug
plug
plug ：Standard
Standard
Standard
Standard CHAMPION:RG6YC
CHAMPION:RG6YC
CHAMPION:RG6YC
CHAMPION:RG6YC
In order to prevent damage the center electrod, use the feeler gaugeto check the spark plug clearance. Don ’ t adjust
thespark plug clearance . I f the clearance exceed the standard, with a new spark plug replacement .
Spark
Spark
Spark
Spark plug
plug
plug
plug clearance
clearance
clearance
clearance standard
standard
standard
standard ：0.
0.
0.
0. 65 mm
mm
mm
mm
Installation:
Installation:
Installation:
Installation: usd
usd
usd
usd hand
hand
hand
hand screw
screw
screw
screw the
the
the
the spark
spark
spark
spark plug
plug
plug
plug to
to
to
to cylinder
cylinder
cylinder
cylinder head,and
head,and
head,and
head,and then
then
then
then screw
screw
screw
screw the
the
the
the spark
spark
spark
spark plug
plug
plug
plug to
to
to
to the
the
the
the specified
specified
specified
specified
torque.
torque.
torque.
torque. Torque
Torque
Torque
Torque ：22N.m
22N.m
22N.m
22N.m
Eleventh:
Eleventh:
Eleventh:
Eleventh: Radiator
Radiator
Radiator
Radiator coolant
coolant
coolant
coolant
Check the coolant level before start the engine or after the engine flameout 5 minutes, if can ’ t see the liquid
surface,please add the recommended coolant;
Remove the cover, add the mixed liquid which mixed with distilled water and antifreeze 1:1,the distance from liquid
surface to cover is 5-10mm, then install the radiator cover .
Recommended
Recommended
Recommended
Recommended antifreeze
antifreeze
antifreeze
antifreeze :
:
:
: coolant
coolant
coolant
coolant liquid
liquid
liquid
liquid or
or
or
or the
the
the
the same
same
same
same qulity
qulity
qulity
qulity ethylene
ethylene
ethylene
ethylene glycol
glycol
glycol
glycol antifreeze
antifreeze
antifreeze
antifreeze containing
containing
containing
containing silicate
silicate
silicate
silicate
preservatives
preservatives
preservatives
preservatives .
.
.
.