Crankshaft/Piston/Cylinder Troubleshooting; Troubleshooti Ng - Honda 2003 NPS50 Ruckus Service Manual

CRANKSHAFT /PISTON/CYLINDER
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TROUBLESHOOTI NG

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Compression too low, hard starting or poor performance at low speed
Worn, stuck or broken piston ring
Worn or damaged cylinder and piston
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Cylinder head/valve problem (page 9-3)
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Compression too high, overheating or knocking
Excessive carbon build-up on piston head or on combustion chamber
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Excessive smoke
Worn cylinder, piston or piston ring
Improper installation of piston rings
Scored or scratched piston or cylinder wall
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Cylinder head/valve problem (page 9-3)
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Abnormal noise
Worn piston pin or piston pin hole
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Worn connecting rod small end
Worn cylinder, piston or piston rings
Worn crankshaft bearing
Worn connecting rod big end bearing
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