KMART 50cm Racer User manual

Item No.: 43033430
Item Name: 50cm Racer

Contents
1. Parts identification …………………………………… 1
2. Safety precautions 2
3. 5
4.
Assembly
5.
Adjustment
20
6.
Repair and Service
Warranty
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16
22

NAME OF RACER PARTS

SAFETY PRECAUTIONS
WARNING TO AVOID SERIOUS INJURY:
Adult assembly is required.
Continuous adult supervision is required.
This product should only be used by persons 8+ years of age.
Never ride with more than one person. Maximum weight is 180 lbs (82Kg).
Excessive weight may cause a hazardous or unstable condition.
Always wear an approved helmet while riding, with the chinstrap securely fastened.
Always wear shoes when riding.
Always wear kneepads, wrist guards, gloves, and elbow pads when riding.
Do not ride the product at dusk, at night or at times of limited visibility.
Always comply with local laws and regulations.
Ride on smooth paved surfaces. Do not ride on streets or roadways.
Do not ride off road, on grass or wet surfaces.
Never use near motor vehicles.
Do not ride the product over curbs or bumps that can damage the steering mechanism.
Do not ride on hills, steeply sloped areas, on or near steps, near swimming pools, or in alleys.
Not intended for jumping.
The brake may be hot after continuous use. Do not touch after braking.
Check brakes and secure all fasteners before every ride.
Do not wear headphones or anything else that would impair your ability to hear or see.
Understand all operating procedures before riding.

SAFETY PRECAUTIONS
Do not push the product.
Do not tow or pull any objects with the product.
Replace worn or broken parts immediately.
Know your limits. Be familiar with your abilities. Use common sense.
Not suitable for children under 3 years as small parts may cause a choking hazard.
Handlebar hand grips and tube end plugs should be replaced if damaged, as bare tube ends have been known to
cause injury. It is particularly important that bicycles and tricycles used by children are checked regularly to ensure
that adequate protection for the ends of the handlebars are in place.
Replacement forks must have the same rake and tube inner diameter as the original product.
Keep a Record of Your Bicycle
Each tricyle has a Serial Number stamped into the head tube. Write down this number to keep it for future reference.
a colour photograph of your tricycle, write the Serial number on the back of the photograph and keep it in a safe place. If you keep
a record of the details of your tricycle,it will greatly increase the possibility of getting it back should it be lost or stolen.
Take
3

Small Adjustable Wrench
(Jaws must open at least 14mm.)
Open-end Wrenches(8 / 10 / 13mm)
Flat-blade Screwdriver Phillips Screwdriver
Slip-Joint Pliers Metric Allen Wrenches(5 / 6mm)
Torque Wrench (recommended)
NOTE: See Torque Table for torque values durring assembly.
WARNING: Keep small parts away from children during assembly.
Note: All of the directions(right, left, front, rear, etc.) in this manual are seen by the rider while seated on the unit.
Tools required(Not included in the packing)
SAFETY PRECAUTIONS
4

5
3
2
6
29
30
23
21
22
1
4
7
14
14
12
13
15
16
17
18
19
20
10 11
27
26
25
24
28
9
8
Parts assembly view
5

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7 Seat 24 Wheel Retainer (x2)
8 Screw - Long (x2) 25 Wheel Bushing (x4)
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15 Washer (x2)
16 Nut (x2)
17 Cap (x2)
Parts assembly List
6
Caution: Check parts list first, stop assembly if any parts missing or defective

Parts Assembly
7
Handlebar Installation
Stem(1) and fork(2) are pre-installed.
The stem (1) is installed upside down for packaging and must be adjusted
before assembly handlebar.Turn the fork so it faces forward.
Make sure that the stem(1) is pointing upward and facing the same direction as
the fork(2) and brake calipers(3) are facing forward. 1
23
AX 2
Steps:
1. Remove Screws (A) and Stem
Clamp Half (5).
2. Place Handlebar (4) centered
into Stem and install Stem
Clamp and Screws hand tight.
3. Position Handlbars so they are
comfortable for the rider.
4. Tighten Screws securely and
evenly.
5
A
4
Note: Please do not
assembly in wrong
direction.

8
Tightening Tests:
Test the tightness of the stem bolts:
Straddle the front wheel and hold it between your legs.
Gently try to turn the front wheel by turning the handlebar.
If the handlebar and stem turn on the fork realign the stem with the wheel and tighten the stem bolts tighter than
before(about 1/4 revolution at a time)
Repeat this test until the stem does not move on the fork.
Test the tightness of the handlebar clamp:
Hold the bicycle stationary.
Gently try to move the ends of the handlebar forward / backward or up / down.
If the handlebar moves loosen the handlebar clamp bolt(s) and relocate the handlebar in correct position.
Tighten the handlebar clamp bolt(s) tighter than before(about 1/4 revolution at a time).
If the handlebar clamp has more than one bolt, tighten the bolts equally.
Repeat this test until the handlebar does not move in the handlebar clamp.
WARNING: Do not over-tighten the bolts. Over-tightening the bolts can damage the steering system and cause
loss of control.
If the handlebar clamp bolt(s) or stem clamp bolts are not tight enough the handlebar can slip in the stem or the
stem can slip on the fork. This can damage the handlebar or stem and cause loss of control.
Parts Assembly

Parts Assembly
9
Rear Frame Installation
Steps:
1. Slide the Rear Frame (12) into the Main Frame (1) Bracket.
2. Install the Bolts (18) and Washers (19) through the Frame holes.
3. Install the lower Washers (19) and Nuts (20).
4. Tighten securely.
WARNING: Frame bolts must be suf¿ciently tightened to ensure they do not
come loose.
18 X 2
18
19
12 1
19
19
20
20 X 4
X 2

10
Parts Assembly
Rear Wheel Installation
Steps:
1.Install the Rear Wheels (14) as shown.
The rear bushings are pre-installed into the
Frame (12) on most models. If they are not
pre-installed, push each into the frame until
it is fully seated.
2.One washer(15) and Nut(16) are installed
on one end of the Axle(13). Slide one wheel
onto the Axle with Hub Cap facing out.
3. Slide the Axle through the Frame.
4.Slide the other Wheel onto the Axle and
install the other Washer and Nut.
5.Tighten this assembly by holding both nuts
with the included Sockets.
6.Install an Axle Cap (17) onto each side.
WARNING: The nylon locking nuts must be engaged on the thread to ensure rear
wheels do not come loose from the axle.
15
16 X 2
X 2
12
16
17
31
41
17
15
16 15
14
FINAL
STEP
FINAL
STEP
NOTE: Please make sure that the convex
part on the plastic bowl fixed with the
concave part on the rear wheel.
concave
part

Parts Assembly
11
Front Frame Installation
NOTE: Turn unit upside down before installing Wheel Assembly.
WARNING: Ensure the front wheel is installed correctly
so that when pedaled the unit moves forward.
The wheel is correctly installed when the right
crank arm is on the right side (from rider position).
This will allow the tyre to fit between the brake pads.
A
If the distance of two brake shoes not wide enough to
put rim in ,loosen the brakes (A).

Parts Assembly
27 X 8 28 X 4
26 X 4
Front Wheel Installation
TURN UNIT
UPSIDE DOWN
26
27
25
25
30
A
B
24
27
28
R
Steps:
1. Place a Wheel Bushing (25) in each
fork end as shown next page.
2. Make sure Right Crank is on the
Right side of the unit.
3. Place Wheel (30) so that both Bearings
(A) set in the Wheel Bushings.
4. Make sure Wheel Spacers (B) are
centered in the Fork.
5. Place a Wheel Bushing on top of the
Axle as shown, on both sides.
6. Place a Wheel Retainer (24) on
each fork end as shown.
7. Install 2 Bolts (26) and Washers (27)
through fork ends and Wheel Retainers.
8. Install Washers (27) and Nuts (28)
as shown.
9. Tighten 4 Nuts securely and evenly.
Make sure Wheel spins freely.
12

NOTE: There is a pedal marked “R” and a pedal marked “L”.
•The pedal marked “R” has right hand threads. Insert it
into the crank arm on the right side. Tighten it in a
clockwise direction.
•The pedal marked “L” has left hand threads. Insert it
into the crank arm on the left side. Tighten it in a
counterclockwise direction.
•Make sure both pedals are threaded fully into the
crank arm. Tighten the pedals to ensure they will
not come loose.
Note: A Pedal Wrench is preferred for attaching Pedals.
An open-end wrench can also be used as shown.
Parts Assembly
Pedal Installation
NOTE: There is a pedal marked “R” and a pedal marked “L”.
WARNING: Pedals must be
sufficiently tightened to ensure they do
not come loose.
22
21
R
L
13

Parts Assembly
Seat Installation
WARNING: Do not over-tighten the screws.
Over-tightening the screws can
damage the Seat.
NOTE: Make sure the longer bolts(8) IN THE
MIDDLE HOLES are used for seat assemble.
The rest 4 short screws(9) in the front & back
4 holes just for through frame bracket holes.
No use for assemble.
Remove 2 screws away from the middle
holes(A)
Position the Seat (7)over the frame bracket
holes(A)
Install the 2 screws which moved from the
middle holes(A)
Install the Washers(10) and Nuts(11).
Tighten securely.
If need seat more close to front or back, the
operation is same as above. 6holes are for
position adjustment according to user` comfort-
able position.
1)
2)
3)
4)
5)
6)
9
7
A
8
10
11
10
11 X 10
X 4
9X 4 8X 2
14

15
WARNING:You must adjust the front brakes as
written before you ride the unit.
1.Put the brake shoes in the correct position:
Loosen the nut (1)of each brake shoe. Adjust each brake shoe so it is flat
against the rim and aligned with the curve of the rim. Make sure each brake
shoe does not rub the tyre, if the surface of the brake shoes has arrows,
make sure the arrows point toward the rear of the unit. Hold each brake shoe
in position and tighten the nut.
2.Test the tightness of each brake shoe:
Try to move each brake shoe out of position.
If a brake shoe moves, do step 1 again, but tighten the nut tighter than before.
Do this test again, until each brake shoe does not move.
3.Stretch the cable;
Hold both brake shoes against the rim. Loosen the cable clamp. Pull the cable
tight and tighten the cable clamp
WARNING: Do not overtighten the cable clamp. Overtightening the cable
clamp may cut the cable and cause injury to the rider or to others.
Squeeze each brake lever firmly 20 times, hold both brake shoes against the rim the
loosen the cable clamp. Pull the cable tight and tighten the cable clamp.
Brake System Adjustments
WASHER
BRAKE LEVER
BRAKE SHOE

16

The following sections describe final brake system adjustments required before
riding.Determine which style you have and follow the instructions.
17

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