Vintage Dirt Bike Q & A

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PostPosted: Tue Nov 25, 2014 10:40 pm 
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Joined: Mon Nov 24, 2014 10:00 pm
Posts: 1
I recently picked up an MR250. It was missing the wiring harness which I replaced. I installed new points and adjusted the timing to the F mark on the flywheel. The flywheel key way appeared to be in good shape. I also cleaned the carb. Compression feels good when kicking the engine but I have not put a gauge on it.
Now the bike will start after a few kicks but it does not respond to the throttle and intermittently backfires through the intake. Any ideas?

Thanks


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