Kymco MO P250 Service Manual - chap 14 (ruot sosp anteriore)
14.STEERING HANDLEBAR/FRONT WHEEL/FRONT
BRAKE/FRONT SHOCK ABSORBER/FRONT FORK
14-0
PEO PL E 25 0
14
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STEERING HANDLEBAR/FRONT WHEEL/FRONT
BRAKE/FRONT SHOCK ABSORBER/FRONT FORK
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SCHEMATIC DRAWING ---------------------------------------------- 14- 1
SERVICE INFORMATION -------------------------------------------- 14- 2
TROUBLESHOOTING ------------------------------------------------- 14- 3
STEERING HANDLEBAR--------------------------------------------- 14- 4
FRONT WHEEL--------------------------------------------------------- 14- 5
FRONT BRAKE --------------------------------------------------------- 14- 8
FRONT SHOCK ABSORBER------------------------------------------ 14-14
FRONT FORK ----------------------------------------------------------- 14-15
14
14.STEERING HANDLEBAR/FRONT WHEEL/FRONT
BRAKE/FRONT SHOCK ABSORBER/FRONT FORK
14-1
PEO PL E 25 0
SCHEMATIC DRAWING
14.STEERING HANDLEBAR/FRONT WHEEL/FRONT
BRAKE/FRONT SHOCK ABSORBER/FRONT FORK
14-2
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SERVICE INFORMATION
GENERAL INSTRUCTIONS
• Remove the motorcycle frame covers before removing the front wheel, steering handlebar, front
shock absorber and front fork. Jack the motorcycle front wheel off the ground and be careful to
prevent the motorcycle from falling down.
• During servicing, keep oil or grease off the brake pads and brake disk.
SPECIFICATIONS
Item
Standard (mm)
Service Limit (mm)
Axle shaft runout
0.2
Radial2.0
Front wheel rim runout
Axial2.0
Brake disk thickness
4.0
3.0
Brake disk runout
0.30
Brake caliper piston O.D.
25.33_ 25.36
25.3
Brake caliper cylinder I.D.
25.4_ 25.45
25.45
Brake master cylinder O.D.
12.65_ 12.68
12.64
Brake master cylinder I.D.
12.70_ 12.74
12.75
Front Fork oil 160cc SAE 20
TORQUE VALUES
Steering stem lock nut 40_ 50N-m
Steering top cone race 4.9_ 12.7N-m
Front shock absorber bolt 29_ 35N-m
Front axle 29_ 35N-m
Brake caliper holder bolt 29_ 35N-m
SPECIAL TOOLS
Lock nut wrench F002
Oil seal & bearing installer E014
14.STEERING HANDLEBAR/FRONT WHEEL/FRONT
BRAKE/FRONT SHOCK ABSORBER/FRONT FORK
14-3
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TROUBLESHOOTING
Hard steering (heavy) Front wheel wobbling
• Excessively tightened steering stem top • Bent rim
cone race • Loose front axle
• Broken steering balls • Bent spoke plate
• Insufficient tire pressure • Faulty tire
Steers to one side or does not track straight • Improperly tightened axle nut
• Uneven front shock absorbers Soft front shock absorber
• Bent front fork • Weak shock springs
• Bent front axle or uneven tire • Insufficient damper oil
Poor brake performance Front shock absorber noise
• Worn brake pads • Slider bending
• Contaminated brake pad surface • Loose fork fasteners
• Deformed brake disk • Lack of lubrication
• Air in brake system
• Deteriorated brake fluid
• Worn brake master cylinder piston oil seal
• Clogged brake fluid line
• Unevenly worn brake caliper
14.STEERING HANDLEBAR/FRONT WHEEL/FRONT
BRAKE/FRONT SHOCK ABSORBER/FRONT FORK
14-4
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STEERING HANDLEBAR
REMOVAL
Remove the handlebar front and rear covers.
(!2-3)
Remove the front and rear brake master
cylinder attaching bolts.
Remove the four screws attaching the right
and left handlebar switches.
Disconnect the throttle cable from the throttle
grip and remove the throttle grip from the
handlebar.
Remove the handlebar lock nut then take out
the bolt and collar.
Remove the handlebar.
INSTALLATION
Install the handlebar onto the steering stem
and install the handlebar collar, lock nut and
bolt.
Tighten the bolt to the specified torque.
Torque: 40_ 50N-m
Brake Master Cylinders
Screws
Bolts
Collar
Throttle Grip
Throttle Cable
Bolt
Lock Nut
14.STEERING HANDLEBAR/FRONT WHEEL/FRONT
BRAKE/FRONT SHOCK ABSORBER/FRONT FORK
14-5
PEO PL E 25 0
Lubricate the throttle grip front end with
grease and then install the throttle grip.
Connect the throttle cable to the throttle grip.
Install the right and left handlebar switches
and tighten the screws.
Install the front and rear brake master
cylinders.
FRONT WHEEL
REMOVAL
Remove the two bolts from the left front
absorber.
Remove the screw from the speedometer gear
unit then disconnect the speed wire from the
speedometer gear unit.
Remove the front axle to pull out the axle.
Remove the front wheel and the speedometer
gear unit.
INSPECTION
AXLE RUNOUT
Set the axle in V blocks and measure the
runout using a dial gauge.
The actual runout is _ of the total indicator
reading.
Service Limit: 0.2mm replace if over
Bolt
Throttle Grip
Throttle Cable
• Adjust the throttle grip free play to the
specified range of 2_ 6mm.
＊
• Install the brake master cylinders by
aligning the index marks.
＊
Brake Master Cylinder
Axle
Speedometer Gear Unit
Bolts
Screw
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