re jet

[atver13]

i got my 400 bored to a 416 and thats it to the motor will i have to re jet anymore im already jetted for a big gun and unit filter

[Wheelie]

I would recommend going up 1-2 sizes on the main jet as a good starting point.

[atver13]

ok what if i just put the stock pipe back on i dont have the money for a jet kit right now but wanna ride

[07honda400ex]

go to the nearest bike shop and buy a 155 and a 160 that should b pretty close! they r only like 3 bucks a piece! no need tov buy a whole jet kit! as long as u up your main jet it wont hurt if your a little rich u just don't wanna b lean!!! get that 138 main out there they r lean from the factory just to pass emissions!!

[Wheelie]

Keihin jets are only $4-5 each. Don't waste your money on a jet kit.

[hocman123]

Originally posted by atver13
ok what if i just put the stock pipe back on i dont have the money for a jet kit right now but wanna ride

if u ride with out rejetting u are just going to whaste the money u put into the motor by haveing it bored out if u are lean u will burn up ur piston and rings and gernade the engine. u can by just a few of them idk about 3 doller my place charges 5-6 bucks

with A 416 with a full exhaust i would think u would be around 165-168 if u take ur airbox lid off 170-172

[russellsroost31]

yea just buy the jets jet kits are pretty much a waste