Kymco MO P50 Service Manual - chap 08 (trasmissione)

8. KICK STARTER/DRIVE PULLEY/
CLUTCH/DRIVEN PULLEY
8-0
8
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KICK STARTER/DRIVE PULLEY/
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SERVICE INFORMATION........................................................ 8- 3
TROUBLESHOOTING.............................................................. 8- 3
KICK STARTER....................................................................... 8- 4
DRIVE BELT ........................................................................... 8- 8
DRIVE PULLEY....................................................................... 8-10
STARTER ONE-WAY CLUTCH DRIVE GEAR ......................... 8-12
CLUTCH/DRIVEN PULLEY ..................................................... 8-15
8
8. KICK STARTER/DRIVE PULLEY/
CLUTCH/DRIVEN PULLEY
8-1
MODEL BA10AB.AC.
Torque:
3.5_ 4.5kg-m
Torque:
5.0_ 6.0kg-m
Torque:
3.5_ 4.0kg-m
8. KICK STARTER/DRIVE PULLEY/
CLUTCH/DRIVEN PULLEY
8-2
SERVICE INFORMATION
GENERAL INSTRUCTIONS
Avoid getting grease and oil on the drive belt and pulley faces.
SPECIFICATIONS
BA10AB.AC.50
Item
Standard (mm)
Service Limit (mm)
Drive pulley collar O.D.
20.01_ 20.025
24.24
Movable drive face I.D.
20.035_ 20.085
19.97
Weight roller O.D.
13.0
12.4
Clutch outer I.D.
107_ 107.2
107.5
Driven face spring free length
87.9
82.6
Driven face O.D.
33.965_ 33.985
33.94
Movable driven face I.D.
34.0_ 34.25
34.06
Drive belt width
18
17
TORQUE VALUES
Drive face nut 3.5_ 4.0kg-m Clutch outer nut 3.5_ 4.5kg-m Clutch drive plate nut 5.0_ 6.0kg-m
SPECIAL TOOLS
Lock nut wrench, 39mm Universal holder Clutch spring compressor Lock nut socket wrench, 32mm Bearing outer driver 37x40mm Bearing driver pilot, 17mm One-way clutch puller Outer driver, 24x26mm
TROUBLESHOOTING
Poor performance at high speed or
Engine starts but motorcycle won‘t move lack of power
Worn drive belt Worn drive belt
Broken ramp plate Weak driven face spring
Worn or damaged clutch lining Worn weight roller
Faulty driven face
Engine stalls or motorcycle creeps
Broken clutch weight spring
8. KICK STARTER/DRIVE PULLEY/
CLUTCH/DRIVEN PULLEY
8-3
KICK STARTER
LEFT CRANKCAS E COVER REMOVAL
Remove the drive belt cooling air tube connector circlip. Remove the nine left crankcase cover bolts, left crankcase cover and dowel pins. Inspect the left crankcase cover seal rubber for damage or deterioration.
KICK STARTER SPINDLE REMOVAL
Remove the kick lever from the kick starter spindle. Remove the circlip and washer from the kick starter spindle.
Slightly rotate the kick starter spindle to remove the kick starter driven gear together with the friction spring.
Left Crankcase Cover
Bolt
Friction Spring
Kick Starter Driven Gear
Kick Starter Spindle
Washer
Circlip
8. KICK STARTER/DRIVE PULLEY/
CLUTCH/DRIVEN PULLEY
8-4
Remove the kick starter spindle and return spring from the left crankcase cover. Remove the kick starter spindle bushing.
KICK STARTER SPINDLE INSPECTION
Inspect the kick starter spindle and gear for wear or damage. Inspect the return spring for weakness or damage. Inspect the kick starter spindle bushing for wear or damage.
Check the kick starter driven gear for wear or damage. Check the friction spring for wear or damage.
Kick Starter Spindle
Return Spring
Spindle
Plastic Bushing
Spindle Bushing
Return Spring
Friction Spring
Kick Starter Driven Gear
8. KICK STARTER/DRIVE PULLEY/
CLUTCH/DRIVEN PULLEY
8-5
Inspect the kick starter spindle and driven gear forcing parts for wear or damage.
KICK STARTER INSTALLATION
Install the kick starter spindle bushing and return spring onto the left crankcase cover.
Properly install the kick starter driven gear and friction spring as the figure shown.
If the hooks of the return spring can not be installed properly, use a screw driver to press them into their locations respectively.
Kick Starter Spindle Forcing Part
Kick Starter Driven Gear Forcing Part
Friction Spring
Kick Starter Spindle
Friction Spring
Kick Starter Driven Gear
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