Honda CB350 Repair Manual page 165

160 TROUBLESHOOTING
Clutch and Transmission Troubleshooting
Problem Possible Causes
Inspection/Remedy
Clutch slips
Clutch improperly adjusted
Clutch springs weaks or dam—
aged
Clutch springs not correctly
secured
Friction discs worn or oil—
impregnated
Friction discs warped
Clutch cable has insufficient
play
Adjust. Refer to Chapter 2.
Replace. Refer to Chapter 4.
Tighter spring bolts.
Check dise width and condition. Replace
if necessary. Refer to Chapter 4.
Inspect and replace discs if necessary.
See Chapter 4.
Adjust cable as described in Chapter 2.
Clutch drags Clutch cable or clutch improp—
erly adjusted
Friction discs gummy
Steel plates warped
Uneven spring tension
Transmission oil too heavy for
climate, or dirty
Adjust cable and clutch as described in
Chapter 2.
Replace friction discs. Refer to Chap—
ter 4.
Replace. See Chapter 4.
Check springs and replace as a set if
necessary.
Change oil.
Clutch noisy Clutch hub bearing worn
Clutch housing gear worn or
damaged
Excessive clearance between
dise tabs and housing
Worn or damaged
mainshaft splines
clutch or
Replace. Refer to Chapter 4.
Inspect and replace if necessary. Refer
to Chapter 4.
Refer to Chapter 4.
Replace if necessary. Refer to Chapter 4.
Transmission grinds when
shifting or shifting is diffi—
cult
Clutch improperly adjusted
Engine oil too heavy for tem—
perature
Worn or damaged shift forks,
fork pins, shift drum, shift
lever, shift arm
Mainshaft or countershaft bear—
ings worn or shafts bent
Adjust. Refer to Chapter 2.
Drain and refill with correct grade of oil.
Inspect all components. Refer to Chap—
ter 4.
Inspect shafts and bearings. Refer to
Chapter 4.
Excessive gear noise Insufficient lubricant in engine
Gears worn (excessive back—
lash)
Worn transmission shaft bear—
ings
Check level and refill to proper level.
Inspect all gears. Refer to Chapter 4.
Inspect and if necessary replace bear—
ings. Refer to Chapter 4.
Shift lever does not return
Weak or broken return spring Inspect spring and replace if necessary.
Transmission will not shift Clutch dragging
Bent shift forks
Broken shifter return spring
Check adjustment and condition of clutch
assembly.
Inspect and replace shift forks.
Replace.