Honda CM400A - Poor Handling; Poor Performance at High Speed

HONDA
CB400T TROUBLESHOOTING
POOR PERFORMANCE AT HIGH SPEED
Possible Cause:
1. Check ignition timing and
valve clearance.
CORRECT
2. Disconnect fuel tube
at
FUEL FLOWS FREELY
3. Remove carburetor and
check for clogged jet.
NO CLOG
4. Check valve timing
CORRECT
INCORRECT
- (1) Valve clearance incorrect
(2) C.D.I. unit out of order
(3) A.D. generator at fault
FUEL FLOW
t (1) Fuel tank empty
RESTRICTED
(2) Clogged fuel line
13) Clogged fuel tank cap breather hole
(4) Clogged fuel valve
JET CLOGGED
r (1) Clean
INCORRECT
c (1 Cam sprocket is not installed properly
5. check valve spring tension WEAK - (1) Faulty spring
POOR
HANDLING +Check tire pressures.
Possible Cause:
1. If steering
is heavy - (1) Steering cone races too tight
(2) Damaged steering steel balls
2. If either wheel is wobbling - (1) Excessive wheel bearing play.
121 Distorted rim
(3) Improperly installed wheel hub
(4) Swingarm pivot bushing excessively
worn
(5) Distorted frame
(6) Improper drive chain tension or
adjustment
3. If the motorcycle pulls to one side - (1) Unbalanced shock absorbers
12) Front and rear wheels not aligned
(3) Bent front fork
(4) Bent swingarm
Date of Issue: September. 1977
0 HONDA MOTOR CO.. LTD.