highrange101

Member
May 20, 2007
8
0
I am waiting on a service manual. But until it gets here can someone tell me what size main and slow jet is stock on a 1997 RM 250 2 stroke. It's a Keihin carb. It now has a 45 main and a 155 slow. Thanks
 

IndyMX

Crash Test Dummy
~SPONSOR~
Jul 18, 2006
5,548
2
Amo, IN
highrange101 said:
I am waiting on a service manual. But until it gets here can someone tell me what size main and slow jet is stock on a 1997 RM 250 2 stroke. It's a Keihin carb. It now has a 45 main and a 155 slow. Thanks


You have that backwards.. or an extremely rich pilot.
 

sick 96 250

Damn Yankees
Member
Jul 16, 2004
1,207
0
stock: 175 main, 48 pilot

you should be alright on the pilot but your main sounds pretty lean. What type of work is done to the bike?
 

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