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Knocking Sound 2008 Txt250 Pro

gazzaecowarrior
in Gas Gas

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If its a Dellorto carb then unscrew the fuel screw half a turn and try that.

If it has had a Keihin carb fitted then turn the air screw in a quarter of a turn and try that, sounds to me like its just "Pinking"....

Hi kev

Finally got some time to spend on the bike. Stripped carb, cleaned and reassembled with clean air filter. Needle type and position was as you described. Unscrewed fuel screw half a turn and engine now sounds sweet. Thanks ever so much for your advice. Gareth

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