KYMCO ZX/SCOUT 50 User Manual

13. STEERING HANDLEBAR/FRONT WHEEL/FRONT
BRAKE/FRONT SHOCK ABSORBER/FRONT FORK
13-2
ZX / SCOUT
SPECIFICATIONS
Ite
m
Standard
(
mm
)
Service Limit
(
mm
)
Axle shaft runout
⎯
0.2
Radial
⎯
2.0
Front wheel rim runout
Axial
⎯
2.0
Front brake drum I.D. 110 111
Front brake linin
g
thickness 4.0 2.0
Front shock absorber s
p
rin
g
free len
g
th 200 182.8
Brake disk thickness 35

3.8 3.0
Brake disk runout
⎯
0.30
Brake master c
y
linder I.D. 12.700

12.743 12.75
Brake master c
y
linder
p
iston O.D. 12.657

12.684 12.64
Brake cali
p
er
p
iston O.D. 25.400

25.405 25.45
Brake cali
p
er
p
iston I.D. 25.318

25.368 25.30
TORQUE VALUES
Handlebar lock nut 4.05.0kg-m Front damper nut 1.53.0kg-m
Steering stem lock nut 8.012.0kg-m Front axle nut 5.07.0kg-m
Steering top cone race 0.51.3kg-m Brake arm bolt 0.40.7kg-m
SPECIAL TOOLS
Lock nut wrench Driver handle A
Lock nut socket wrench Outer driver, 37x40mm
Outer driver, 28x30mm Pilot, 10mm
Rear shock absorber remover Bearing puller
Rear shock absorber compressor Snap ring pliers (close)
Ball race remover Damper compressor
TROUBLESHOOTING
Hard steering (heavy) • Contaminated brake disk or disk pad
• Excessively tightened steering stem top • Worn brake bushing
cone race • Worn brake master cylinder piston oil seal
• Broken steering balls • Clogged brake fluid line
• Insufficient tire pressure • Deformed brake disk
Steers to one side or does not track straight • Unevenly worn brake caliper
• Broken clutch weight spring Front wheel wobbling
• Bent front fork • Bent rim
• Bent front axle or uneven tire • Loose front axle
Poor brake performance • Bent spoke plate
• Incorrectly adjusted brake • Faulty tire
• Worn brake linings • Improperly tightened axle nut
• Contaminated brake lining surface Soft front shock absorber
• Worn brake cam • Weak shock springs
• Worn brake drum • Insufficient damper oil
• Poorly connected brake arm Front shock absorber noise
Poor brake performance (disk brake) • Slider bending
• Air in brake system • Loose fork fasteners
• Deteriorated brake fluid • Lack of lubrication

KYMCO ZX/SCOUT 50 Specifications

General

Brand	KYMCO
Model	ZX/SCOUT 50
Category	Scooter
Language	English