Poor Performance At High Speeds; Poor Handling - Honda 86-87 TA200 FATCAT Service Manual

TROUBLESHOOTING
POOR PERFORMANCE AT HIGH SPEEDS
1. Remove spark plug and check
condition
NORMAL
2. Check clutch slipping
NORMAL
I
3. Check ignition timing and valve
clearance
CORRECT
4 . Chteck valve timing
CORRECT
I
5. Check valve spring tension
NOT WEAKENED
I
6. Check camshaft
Probable Cause
DISCOLORED OR DIRTY - - - - --- (11 Use of plug with improper heat
range
(2) Plug not cleaned property
(3) Rich or lean air/ fuel mixture
(4) Clogged air cleaner
(5) Poor flow in fuel line
(6) Air coming in through insulator
P) Clogged carburetor
CLUTCH SLIPS - - - - - - - -__ (1) Weak clutch spring
(2) Worn centrifugal clutch shoe
(3) Warped clutch disc / plate
(4) Engine oil mixed wi th additive
(5) Centrifugal clutch incorrectlv ad-
justed
INCORRECT - - - - - - - - - -__ (1) Improper valve clearance
(2) Faulty COl unit
(3 ) Faulty pulse generator
(4 ) Improper flywheel installation
INCORRECT----------- . Cam sprocket not installed properly
WEAK - - - - - - - - - - - -_. Faulty spring
A8NORMAL - - - - - - - - - - - .. Worn camshaft
L I _ _ _ _ _ _ _ _ _ __ •
NORMAL - - - - - -- -- _ . Go to " ENGINE LACKS POWER"
(page 18-2)
POOR HANDLING
- - - - C h e o k "" ,,,,,U,,
1. If steering is heavy
I
Probable Cause
- - - - - - - - - - - - - - - - - - - - - - -•• ( 1) Steering bearing adjustment nut
t oo tight
(2) Damaged steering races or steel
ball bearings
(3) Cables interfering
2. If either wheet is wobbling - - - - - - - - - - - - - - - - - - - -... (1) Excessive wheel bearing play
(2) Bent rim
3 . If the motorcycle pulls to one side
18-4
(3) Improperly installed wheel hub
• Loose swing arm pivot
• Improperly installed tire
(4 1 Bent frame
(5) Bent swing arm
- - - - - - - - - - - - - - - - _ .. (11 Front and rear wheels not aligned
(2) Bent front fork
(3) Bent swing arm or frame