Sym FIDDLE 125 User Manual

8. V-BELT DRIVING SYSTEM/KICK STARTER ARM SYM
8-2
MAINTENANCE DESCRIPTION
PRECAUTIONS IN OPERATION
GENERAL INFORMATION
• Driving pulley, clutch, and driven pulley can be serviced on the motorcycle.
• Driving belt and driving pulley surface must be free of grease.
Specification Unit: mm
Item Standard value Limit
Driving belt width
19.000
17.500
ID of sliding pulley bushing
23.989~24.052
24.060
OD of sliding pulley hub
23.960~23.974 23.940
OD of roller
17.920~18.080 17.400
ID of clutch outer
125.000~125.200 125.500
Thickness of clutch lining
2.000 1.500
Free length of driving pulley
spring
168.900 163.700
OD of driving pulley
33.965~33.985 33.940
ID of sliding pulley
34.000~34.025 34.060
ID: Inner Diameter
OD: Outer diameter
Torque value
Sliding pulley nut: 5.0~6.0kgf-m
Clutch outer nut: 5.0~6.0kgf-m
Driving pulley nut: 5.0~6.0kgf-m
Left crankcase cover bolts: 0.8~1.2kgf-m
Special Service Tools
Clutch spring compressor
Bearing puller (inner type)
Clutch mounting nut wrench
Universal fixture
TROUBLE DIAGNOSIS
Engine can be started but motorcycle
can not be moved
1. Worn driving Belt
2. Worn tilt plate
3. Worn or damaged clutch lining
4. Broken driven pulley
Shudder or misfire when driving
1. Broken clutch lining
2. Worn clutch lining
Insufficient horsepower or poor high
speed performance
1. Worn driving belt
2. Insufficient spring capacity of driven
pulley
3. Worn roller
4. Driven pulley operation un-smoothly

Sym FIDDLE 125 Specifications

General

Displacement	124.6 cc
Cooling System	Air Cooled
Transmission	CVT
Front Suspension	Telescopic Fork
Front Brake	Disc
Rear Brake	Drum
Front Tire	110/70-12
Rear Tire	120/70-12
Seat Height	780 mm
Engine Type	4-Stroke
Fuel Tank Capacity	6.5 L