Kymco MO FILLY 50LX Service Manual - chap 09 (trasmissione)
9. DRIVE AND DRIVEN PULLEYS/
KICK STARTER
9-0
FILLY LX 50
9
9
5.0_ 6.0kg-m
3.5-4.5g-m
3.5-4.0g-m
9. DRIVE AND DRIVEN PULLEYS/
KICK STARTER
9-1
FILLY LX 50
SERVICE INFORMATION
GENERAL INSTRUCTIONS
• The drive pulley, clutch and driven pulley can be serviced with the engine installed.
• Avoid getting grease and oil on the drive belt and pulley faces. Remove any oil or grease from
them to minimize the slipping of drive belt and drive pulley.
SPECIFICATIONS
Item
Standard (mm)
Service Limit (mm)
Movable drive face bushing I.D.
23.989~24.025
24.06
Drive face collar O.D.
23.960~23.974
23.94
Drive belt width
17.5
16.5
Clutch lining thickness
æ
1.5
Clutch outer I.D.
107.0-107.2
107.5
Driven face spring free length
æ
154.6
Driven face O.D.
33.965-33.485
33.94
Movable driven face I.D.
34.0-34.025
34.06
Weight roller O.D.
15.920~16.080
15.4
TORQUE VALUES
Drive face nut 5.5~6.5kgf-m
Clutch outer nut 3.5~4.5kgf-m
Clutch drive plate nut 5.0-6.0kg-m
SPECIAL TOOLS
Universal holder Clutch spring compressor
TROUBLESHOOTING
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
• Broken driven face spring • Fouled drive face
Engine stalls or motorcycle creeps
• Broken clutch weight spring
SERVICE INFORMATION
......................
9-1 DRIVE BELT
...........................................
9-5
TROUBLESHOOTING
.............................
9-1 DRIVE PULLEY
......................................
9-6
LEFT CRANKCASE COVER
...................
9-2 CLUTCH/DRIVEN PULLEY
..................
9-9
KICK STARTER
........................................
9-2
9. DRIVE AND DRIVEN PULLEYS/
KICK STARTER
9-2
FILLY LX 50
LEFT CRANKCASE COVER
REMOVAL
Loosen the drive belt air tube band screw.
Remove the eight left crankcase cover bolts
and left crankcase cover.
Remove the seal rubber and dowel pins.
Inspect the seal rubber for damage or
deterioration.
KICK STARTER
REMOVAL
Remove the kick lever from the kick starter
spindle.
Remove the circlip and washer from the kick
starter spindle.
Gently turn the kick starter spindle to remove
the starter driven gear together with the
friction spring.
Remove the kick starter spindle and return
spring from the left crankcase cover.
Remove the kick starter spindle bushings.
Return Spring
Kick Starter Spindle
Friction Spring
Kick Starter Spindle
Circlip
Starter Driven Gear
Washer
Use specified genuine parts for replacement.
＊
Air Tube Band
Bolts
Left Crankcase Cover
9. DRIVE AND DRIVEN PULLEYS/
KICK STARTER
9-3
FILLY LX 50
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 bushings for
wear or damage.
Inspect the starter driven gear for wear or
damage.
Inspect the friction spring for wear or
damage.
Inspect the kick starter spindle and starter
driven gear forcing parts for wear or damage.
INSTALLATION
Install the kick starter spindle bushings and
return spring onto the left crankcase cover.
Starter Driven Gear Shaft Forcing
Friction Spring
Starter Driven Gear
Spindle
Return Spring
Plastic Bushing
Spindle Bushing
Kick Starter Spindle Forcing Part
Kick Starter Spindle
Return Spring
9. DRIVE AND DRIVEN PULLEYS/
KICK STARTER
9-4
FILLY LX 50
Install the starter driven gear and friction
spring onto the left crankcase cover as the
figure shown.
First install the washer and then install the
circlip.
Install the kick lever.
LEFT CRANKCASE COVER
INSTALLATION
First install the dowel pins.
Install the seal rubber.
Install the left crankcase cover and tighten the
eight left crankcase cover bolts diagonally.
Connect the drive belt air tube and tighten the
tube band screw.
Install the rear brake cable clamp.
Rear Brake Cable Clamp
Washer
Left Crankcase Cover
Starter Driven Gear
Friction Spring
Circlip
Dowel Pins
Seal Rubber
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