Mikuni and keihin jetting size conversion?

[djebel250]

guys, I had a 150cc road bike fitted with a 28mm mikuni carb. i installed a keihin 28mm pwk carb but i dnt know what main jet to use for it. the mikuni uses a 270 main. what is the jet size to use for keihin then? thanks in advance. :)

 

[SprtrxRidr]

Im not sure if their really is a conversion...

Most people dont make this kind of change in their carburetor brand.

You might have to rely on your eyes for this one...

 

[TooTall]

You might try asking your local machine shop to borrow their pin gage set.

TT

 

[djebel250]

Ermm.... thanks anyway. got the jetting size yesterday through a fellow rider.
ur help is appreciated :D