2. Service Maintenance Information
2-11
Control Cable Lubrication
Remove the throttle control and the brake cables
periodically, and lubricate the moving parts of the
cables thoroughly.
Driver Belt
z Remove left crankcase cover.
z Check if the belt is crack or worn out. Replace
the belt if necessary.
z Measure the driving belt width
Ignition Timing
Caution
z C.D.I ignition timing cannot be adjusted. If the
ignition timing is incorrect, check the C.D.I.
device and the alternator and replace
damaged components.
z Check ignition timing with standard
instrument.
Remove the right-side cooling fan cover.
Check ignition timing with the timing light.
When engine speed setting to 1800 rpm, and if the
mark aligns with “F” mark, then it means that the
ignition timing is correct.
Throttle Valve Operation
Check if each steering positions are operated in
smooth, and handle bar if its operation is smooth
as the throttle valve wide opening or fully closed.
Check throttle cable and replace it if deteriorated,
twisted or damaged.
Lubricate the cable if operation is not smooth
Measure throttle valve handle free play.
Free play：2~6 mm (1/8~1/4 in)
Loosen the mounting nut, and turn the free play
adjustment nut of the throttle valve handle for
adjustment.
Replace the cable if it can not be adjusted.
Tooth face
Belt width
Ignition lamp
“F” mark
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