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TR1 starting problems

skullarms
in Yamaha Workshop

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Posted

Hi all,

I have finally got my 1981 TR1 back together (almost) the wiring loom is on the floor but connected(!) when i try and start the bike it spits back through the rear cylinder carb hard enough to knock it out of its rubber socket!! I have checked the cam timing and the valve clearances, and these are fine, the carbs have been cleaned and appear to be fine (i'm no expert!) but it wont fire, I have spark, and have checked the HT leads are wired up correctly. Also the bike turns over quite slowly although the battery is the correct one, and new.

Any help anyone could give me would be really appreciated!!

Thanks in advance

Andy.

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