Automatic Clutch Inspection; Initial Engagement Inspection; Clutch "Lock-Up" Inspection - Suzuki UY125 Service Manual

2-22 PERIODIC MAINTENANCE

AUTOMATIC CLUTCH INSPECTION

This motorcycle is equipped with an automatic clutch and vari-
able ratio belt drive transmission. The engagement of the clutch
is governed by engine RPMs and centrifugal mechanism located
in the clutch.
To insure proper performance and longer lifetime of the clutch
assembly it is essential that the clutch engages smoothly and
gradually. The following inspections must be performed:

1. INITIAL ENGAGEMENT INSPECTION

• Warm up the engine to normal operating temperature.
• Remove the front frame cover. (!5-8)
• Connect an electric tachometer to the high-tension cord.
• Seated on the motorcycle with the motorcycle on level
ground, increase the engine RPM slowly and note the RPM at
which the motorcycle begins to move forward.
$ 09900-26006: Tachometer
Engagement rpm: 2 900 – 3 500 rpm

2. CLUTCH "LOCK-UP" INSPECTION

Perform this inspection to determine if the clutch is engaging
fully and not slipping.
• Apply the front and rear brakes as firm as possible.
• Briefly open the throttle fully and note the maximum engine
RPMs sustained during the test cycle.
"
Do not apply full power for more than x seconds or
damage to the clutch or engine may occur.
Lock-up rpm: 4 500 – 5 500 rpm
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