Honda CB350 Repair Manual page 166

TROUBLESHOOTING 161
Clutch and Transmission Troubleshooting (cont.)
Problem
Possible Causes
Inspection/Remedy
Transmission jumps out of
gear
Worn transmission gear engag—
ing dogs
Worn or bent shift forks or
shift drum
Worn splines on countershaft
or mainshaft
Bent gearshift shaft or damaged
shift arm
Worn or broken gear teeth
Weak shift drum stopper spring
Inspect gears and replace if damaged.
Refer to Chapter 4.
Inspect and replace if necessary.
Inspect and replace if necessary.
Inspect components and replace if neces—
sary. r
Inspect gears and replace any damaged
or worn gears. See Chapter 4.
Replace. Refer to Chapter 4.
Carburetor Troubleshooting
Problem Possible Causes Inspection/Remedy
Carburetor floods repeat Float set too high Adjust. Refer to "Tune—Up," Chapter 3.
edly Remove float bowl and clean needle and
Float needle sticking
Float needle or seat worn or
damaged
Float sticking due to misalign—
ment
Fuel petcock left open with en—
gine shut off
Float punctured
seat.
Replace as necessary.
Correct. Refer to Chapter 6.
Shut off the fuel after you stop engine.
Replace. Refer to Chapter 6.
Idle mixture too lean Pilot jet too small
Worn throttle slide
Pilot screw out of adjustment
Replace with larger jet.
Replace.
Set as described in Chapter 3.
Idle mixture too rich Pilot jet too large
Dirt or foreign matter in idle
passage
Pilot screw out of adjustment
Replace with smaller jet.
Dismantle and clean carburetor. Refer to
Chapter 5.
Set as described in Chapter 3.
Lean mixture at sustained
mid—range speeds
Needle or main jet clogged
Intake manifold air leak
Remove and clean jets.
Refer to Chapter 6.
Lean mixture at sustained
high—speeds
Main jet too small
Main jet clogged
Float level too low
Replace with larger jet.
Remove and clean.
Remove float and adjust height.
Lean mixture during
celeration
ac— Jets clogged
Damaged or worn throttle slide
Float level too low
Remove and clean. Refer to Chapter 6.
Replace.
Adjust float height. Refer to Chapter 6.