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06-02-2007, 09:32 AM
| #1 (permalink) |
| Newbie Join Date: Jun 2007
Posts: 3
|  spark knock
hello everyone, newbe here i have a 1980 xl250s that i recently put a ney piston and rings in. the piston was a pop top piston and now it spark knocks bad. is there anything i can change on the firing to help it and if so can you tell me how. thanks |
