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1
r vuures noo tmq
Poor Performance at High Speed
Possible Cause
1. Check ígnition timing
------~..
Incorrect - - - - - - " - - - - - - - - -...... - •. Faulty CDI unit
Faulty pulse generator
Correct
t
2. Disconnect fuel tube at carburetor
e-s-
Fuel Flow Restricted - - - - - - -__ . .
Clogged fuel line
•
Clogged fuel tank breather
•
Clogged fuel straínerscreen
Fuel Flows Freely
I
.
,.
3. Remove the carburetor and check-e-s- Clogged - - - - - - - - - - - ' - - - - - . .
Clean
f or clogged jets
Not Clogged
t
4-. Check valve timing
- - - - - - - - - i.. _ Incorrect
-------------.~...
Cam sprocket not installed properly
Correó
f
5.
Check valve springs - - - - - - - .
Weak----------~------<
...
~.·
Faulty spring
Not Weak
Poor Handling
Possible Cause
1. If steering is heavy
-------------------'-------~.
•
Steering stem adjusting nut too
tight
•
Damaged steering head bearings
2. If either wheel is wobbling - - - - - - - - - - - - - - - - - - - - - . - . . •
Excessive wheel bearing play
Bent rirn
lrnproper
lv instalied wheel hub
Swingarm
pivot
bushing excessively
worn
Bentframe
3. If the motorcycle pulis to one side
------------------~...
Faulty shock absorber
•
Front and rear wheel not alígned
Berrt fork
•
Berrt swingéÍrm
Berrt.axfe
Bent frame
18-4
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