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johnnyrod · 17-07-17, 08:23 AM

Main only, but yes really a dyno set-up is needed to know what's going on. If you look on svrider.com then beware, the Yanks seem to go for massive upjetting for little apparent reason. Have you got the PAIR or similar system on yours, that bleeds air in the zorst to burn off excess fuel gases? If so then this is likely the problem, or leaks around the headers.

17-07-17, 08:23 AM	#3
johnnyrod Member Mega Poster Join Date: Jul 2003 Location: Doncaster, oop norf Posts: 2,122	Re: Jetting ? Main only, but yes really a dyno set-up is needed to know what's going on. If you look on svrider.com then beware, the Yanks seem to go for massive upjetting for little apparent reason. Have you got the PAIR or similar system on yours, that bleeds air in the zorst to burn off excess fuel gases? If so then this is likely the problem, or leaks around the headers.