Jetting genuine 28 pwk keihin

[Critchy87]

Hi trying to get in the right ball park for my jetting on my 2000 banshee.  I’m at 1496 ft altitude.  jetted at 158 main and 50 pilot  and clip on jh needle on last spot from bottom right now seems to be rich as 2 stroke oil comes out of both My exhausts zero leaks have done leaks down holds 6lbs for 24 hours. specs are 

keihin 28 pwk’s 

65.50 4mm stroker with 21cc stroker domes 795 wiseco pistons 140 compression both cylinders 

some sort of port job has fmf etched into both cylinders  on side and can see work done on inside very clean professionally done 

fmf fatty exhaust system 

tors delete 

all oem electronics waiting on cdi from dynatek and will prob run curve 3 as I heard it’s closest to +4 timing 

thank you for your time and help 

 

 

Edited July 17, 2022 by Critchy87

[Critchy87]

Air mixture screw set at 1.5 turns 

32:1 93 octane mix 

also seems to run cold when I’m riding takes a while to get to 170F but seems to run ok hits power and and what not bogs down a little at low to mid range with current settings 

 

Edited July 17, 2022 by Critchy87
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