jetting question

j0eridesbikes

New Member
Aug 3, 2011
12
0
0
ok i just rebuilt my topend bought a stock cylinderhead and got it bored out my blaster has an lrd exhuast kehine carb no airbox the bike had a ported head and bigbore before and jets are way to big and i dont know what size i should get any help would be great thanks and i need to know asap i already missed like 4weeknds of riding and i dont wana miss anymore
 
We can only guess but a decent starting point would be a 50 pilot and a 158 main jet. What do you have in now, what's you elevation, and what size carb is it?
 
imgres
 
Have a way to measure in mm? If so measure the side that faces the motor's inside diameter. Stock jug you may be better off with a smaller carb like a 28-30mm if its not been ported
 
well the old head was ported but i had to go to a stock head cuase i didnt want to sleeve to old head but i just looked it up and im pretty sure its 34mm
 
get that pic to work ???

34 may be too large for a stock, non ported cylinder
on my ported stock cylinder with pipe and all the other goodies, i run a 34mm pj, with a 45 pilot, 155 main, dgh needle in the middle clip position



my suggestion for a stock cylinder and your carb/jetting experience, is get a stock carb throw a 300 main in there, then plug chop it to see where it stands
 
Last edited: