2-16 PERIODIC MAINTENANCE
AUTOMATIC CLUTCH INSPECTION
The UF50/UF50Z is equipped with a centrifugal type automatic
clutch and a variable ratio belt drive transmission.
To insure proper performance and longevity of the clutch as-
sembly it is essential that the clutch assembly engages smoothly
and gradually. Two inspection checks must be performed to thor-
oughly check the operation of the drive train. Follow the proce-
dures listed.
NOTE:
Warm up the engine.
INITIAL ENGAGEMENT
Remove the trunk. ( 5-4)
Connect the multi circuit tester to the high-tension cord.
Start the engine.
While seated on the machine, slowly increase the engine
speed and record the speed when the machine begins to move
forward.
09900-25008: Multi circuit tester
Engagement speed: 4 100 – 4 500 r/min
If the engagement speed does not coincide with the standard
range, refer to the following section to inspection the respective
items for any abnormalities.
CLUTCH SHOE/MOVABLE
DRIVEN FACE ...........................................
3-18 to 3-22
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