Troubleshooting - Honda Transalp XL700V Manual

TROUBLESHOOTING

Engine top-end problems usually affect engine performance. These can be diagnosed by a compression test, or by tracing
top-end noise with a sounding rod or stethoscope.
Compression too low, hard starting or poor performance at low speed
• Valves
– Incorrect valve adjustment
– Burned or bent valves
– Incorrect valve timing
– Broken valve spring
– Uneven valve seating
– Valve stuck open
• Cylinder head
– Leaking or damaged cylinder head gasket
– Warped or cracked cylinder head
– Loose spark plug
• Cylinder/piston problem (page 9-3)
Compression too high
• Excessive carbon build-up on piston head or combustion chamber
Excessive smoke
• Worn valve stem or valve guide
• Damaged stem seal
• Cylinder/piston problem (page 9-3)
Excessive noise
• Incorrect valve clearance
• Sticking valve or broken valve spring
• Excessive worn valve seat
• Worn or damaged camshaft
• Worn or damaged rocker arm and/or shaft
• Worn rocker arm follower or valve stem end
• Worn cam sprocket teeth
• Worn cam chain
• Worn or damaged cam chain tensioner
• Cylinder/piston problem (page 9-3)
Rough idle
• Low cylinder compression
CYLINDER HEAD/VALVES
8-5