Guest utleybanshee Posted February 23, 2008 Report Posted February 23, 2008 (edited) i just installed brand new 69mm pistons, pj34 from the vitos big bore 421 , k&n filters the bike bogs down on low rpms bad but high rpms it screams and pulls hard... whats the problem..? Edited February 23, 2008 by utleybanshee Quote
man27 Posted February 23, 2008 Report Posted February 23, 2008 i just installed brand new 69mm pistons, pj34 from the vitos big bore 421 , k&n filters the bike bogs down on low rpms bad but high rpms it screams and pulls hard... whats the problem..? Sounds like carb troubles check your air screws/could be wrong pilot jets..... Quote
sheefreak Posted February 23, 2008 Report Posted February 23, 2008 What are you running for pilots and mains, and where is your clip at on the needle? How do your plugs look? Quote
Guest utleybanshee Posted February 23, 2008 Report Posted February 23, 2008 guys the jets are 170/55 im 400ft above sea level Quote
fastrthnu Posted February 23, 2008 Report Posted February 23, 2008 guys the jets are 170/55 im 400ft above sea level search plug chop in the jetting thread. Quote
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