1996-1998 Yamaha Factory Service Manual EXT1100U/V/W Exciter PN LIT-18616-01-53, Page 29Get this manual

1996-1998 Yamaha Factory Service Manual EXT1100U/V/W Exciter PN LIT-18616-01-53, Page 29

PERIODIC INSPECTION AND ADJUSTMENT
POWER UNIT
SPARK PLUG INSPECTION
1Inspect: Electrode 00 WearDamage ReplaceInsulator color Discolor Check the engine condition
Color guide: Medium to light tan color: Normal Whitish color: Lean fuel mixture Plugged fuel mixture Air leak Incorrect settings Blackish color: Overly rich mixture Electrical malfunction Excess oil used Defective spark plug

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