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Yamaha DT 250 discussion forum:Engine Noise |
| Engine Noise |
| Matt said 2002-10-09 18:36 |
| I have recently picked up a 75 DT 250. It had been sitting for a long time and with little effort I got it running. It ran fine for a short time then seemed to just loose spark. I removed the flywheel and then the plate containing the points too clean any corrosion than may have been causing that problem. I reassembled everything and reset the timing. The bike started right up and ran good. I road it for a short time and it developed a knock when I let off the gas. It only does it when the bike is completely warmed up and there is no sign of a noise until that point. Could it be timing, worn bearings, piston? I have no idea, anyone have any suggestions? |
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