i am building a chop 1981 gsx750,i have had a 4 into 2 exhaust built with minimal baffles and just bellmouths on the carbs.for this setup i belive i will need to rejet. the standard main jet i understand are 112.5? can anyone help. what size where from?
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Simon Hardman
Posts: 1
Posted: Wednesday, March 12, 2008 17:48
Subject: Re: main jets??????
i am building a chop 1981 gsx750,i have had a 4 into 2 exhaust built with minimal baffles and just bellmouths on the carbs.for this setup i belive i will need to rejet. the standard main jet i understand are 112.5? can anyone help. what size where from?
Hi, at a guess, you'll need to experiment with the jet sizes. Try running with the originals at their highest setting, check the plugs and if lean then substitute with the next jet size up. I have a load of old GS750 bits but not sure they fit. Mail me at namdrah1(at)hotmail.com
Cheers, Simon
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