Generic Race 50, Service Manual

Page: 32 / 209

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Trouble diagnosis for trip stop of transmission
Trouble diagnosis program for clutch slip
Clutch slips
Automatic centrifugal dry type
shoe clutch slips
Check clutch shoe
plate for excessive
wear
Replace clutch shoe as
a set
Clear oil
stains
Check if contact area
percent of clutch shoe
plate and clutch friction
disc is less than 70%
Check contact surface of
clutch friction disc and shoe
plate for excessive wear
Repair or
replace
clutch shoe
Check clutch shoe plate for oil stains
Trip stop of
transmission
Check for the spring of stationary wheel
broken or having insufficient elastic
Repl
ace
Disassemble crankcase to check if approach depths of
gears are satisfactory
Approach depths of
gears sufficient
Approach depths of
gears insufficient
Check if approach end of cam claw on end face of meshing
gear has been worn to a taper or larger roundness and if groove
on corresponding gear end face has been worn to bell mouth
Check shift fork for excessive
wear or deformation
Replace
gear
Check spline teeth on main
shaft and countershaft and
spline groove on sliding gear
for excessive wear
1. Check shift fork hole and declutch
shift shaft for excessive wear
2. Check for oversize fit clearance
between shift fork pin and cam slot on
shift camshaft
3. Check transmission for proper
installation
Replace
shift fork