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Struggling above 8000 rpm

Posted: Tue Apr 04, 2017 9:58 pm
by matthew
Hi folks...bit of help needed..my race bike really struggled with revs over 8k..carbs have 108 main jet in and standard needles...that's all I really no about the carbs...anybody give me any pointers
Cheers matt

Re: Struggling above 8000 rpm

Posted: Wed Apr 05, 2017 6:51 am
by matthew
Bike has ram-air and belmouths fitted with a slightly tuned engine

Re: Struggling above 8000 rpm

Posted: Wed Apr 05, 2017 10:50 am
by banner001
way too lean for ram air setup, do you have blanked air jets?

im on normal carbs, normal airbox and ive got 105's in.

i would get some bigger jets, maybe 115 and 120 and see how they go, when it bogs have you tried giving it some choke, whats the result?

Re: Struggling above 8000 rpm

Posted: Thu Apr 06, 2017 5:26 pm
by matthew
Air jets are blanked off yeah... Will order some bigger jets and give it a try..not tried use the choke while racing it no
Cheers for the advise mate