Hydraulic Tappet Troubleshooting - Honda 1985 CBX750F Workshop Manual

~HONDA
__
~
CBX7S0F
TROUBLESHOOTING
HYDRAULIC TAPPET
TAPPET NOISE
Snap ten times or ride for five minutes
with the engine speed 3,000 rpm.
1. Check oil level and condition.
CORRECT
+
2. Check oil pressure.
NOT CLOGGED
+
3. Remove cylinder head cover and
oil hole caps and check lubrication
CORRECT
4. Remove hydraulic tappet and
•
check
CORRECT
ENGINE LACKS POWER
1. Turn the engine for a few minute
with starter.
ENGINE DOES NOT START
+
2. Check oil pressure
CORRECT
~
'.Remove tappet and check
INCORRECT
TOO LOW
NOT LUBRICATE PROPERLY
INCORRECT
ENGINE START
POSSIBLE CAUSE
Oil level too low
• (1)
(2) Contaminated oil
(3) Contaminated oil filter
Clogged oil passage
• (1)
(2)
Clogged oil control orifice
Clogged oil pipe
• (1)
(2) Defected O·ring
(3) Defected oil hole cap
~(1)
Plunger stick
(2) Defected tappet
(3) Defected one way valve
.. (1)
Bubbly engine oil with over
rev up.
TOO LOW .. (1)
(2)
(3)
(4)
Oil level too low
Clogged oil passage
Contaminated oil
Contaminated oil filter
INCORRECT
.(1)
Defect tappet
21-4