Question about Triumph Thunderbird Motorcycles

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Motor seems to idle and run okay however it bogs down when you pull throttle quickly .it is a 1967 triumph 650 single carburetor .

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Hi,,remove and clean the carb. before doing this you might want to check the air screw on the side of the carb, with the bike running turn the screw half a turn in and give the bike a rev,if it bogs more,turn the screw half a turn out and see if throttle response improves.

Posted on Mar 23, 2011

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