APRILIA RST mille Futura 2001 Service Manual page 328

RST mille
USA
DEFECT
The engine makes too
much noise
The clutch "slips"
Release 00/2002 - 03
SYMPTOM AND POSSIBLE CAUSES
The noise seems to come from the timing system
Chain tightener shoe worn
Too much valve clearance
Valve springs worn out or broken
Valve lifter buckets or camshaft worn
Timing chain worn
Timing gears worn
Faulty timing chain tightener
The noise seems to come from the piston
Gudgeon pin, bore or connecting rod worn
Piston rings or grooves worn or broken
The noise seems to come from the clutch or clutch case
Clutch discs worn
Clutch housing worn
Flexible couplings on clutch housing have excessive
play
Noise with the clutch engaged, ball bearings in the
support plate faulty
Primary transmission worn or broken
The noise seems to come from the flywheel case
Timing gears worn or broken
The noise seems to come from the crank gear
Connecting rod bearings worn
Crankshaft bushings or balanceshaft bearings worn
The noise seems to come from the gearbox
Gears or gearbox shafts worn or broken
Primary gear worn
Gearbox bearings worn
The noise is heard when the engine is started
Sprag clutch gear, gear or housing worn or faulty
Double gear or intermediate gear of the starter motor
worn
Starter pinion teeth worn
Clutch discs worn or warped
Clutch springs worn out
Support plate worn or warped
Motor oil does not meet specifications
Clutch control hydraulic system faulty
GENERAL INFORMATION
REMEDY
Replace (*)
Adjust (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Replace (*)
Use motor oil that meets
specifications
Replace
CONT'D ➤
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