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SPECS · PICS · RATING
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Yamaha XJ 900 discussion forum:black sparking plug! |
| black sparking plug! |
| zyrafa(Poland) said 2005-07-12 18:17 |
| I bought two weeks ago Yamaha XJ 900 F (4BB). The motorcycle is in good condition but i have one problem. Sparking plug on third cylinder has different color than others. It is black somethink like soot is on it. Others sparking plug have good color. Cylinder compresion was measure and were: 10,8:10,7:10,7:10,8. My mechanic carried out all carburators overhaul? Do you know what is wrong with my motorcycle? |
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