Help! 98 RMX 250 Stock Jetting Spec.

Dirtiki

Member
Feb 11, 2007
16
0
Can anyone tell me what the stock jetting specifications for a 1998 Suzuki RMX 250 are?

I dont have the manual any help appreciated.
A copy of the jetting matrix too would be cool.

Main Jet =
Slow jet =
Jet Needle =
Needle position =
Air screw =

Thanks
Eric
 

Grumps

Member
Jul 29, 2007
9
0
For my 1996 RMX, my manual states (not sure if the 1998 is the same):
Main Jet = #165
Slow jet = #60
Jet Needle = R1472M1L
Needle position = 3rd
Air screw = 1 turn out

Manual also states:
Bore = 38 mm
Cut-away = 5
Float Height = 16.1 +/- 1.0 mm (0.63 +/- 0.01 in)
 

Dirtiki

Member
Feb 11, 2007
16
0
Much appreciated Grumps!

Now do you know what my compression shoud be?

Thanks
Eric


Grumps said:
For my 1996 RMX, my manual states (not sure if the 1998 is the same):
Main Jet = #165
Slow jet = #60
Jet Needle = R1472M1L
Needle position = 3rd
Air screw = 1 turn out

Manual also states:
Bore = 38 mm
Cut-away = 5
Float Height = 16.1 +/- 1.0 mm (0.63 +/- 0.01 in)
 

Dirtiki

Member
Feb 11, 2007
16
0
Grumps said:
My '96 manual states:
Corrected compression ratio:
9.8:1 (Low RPM)
9.1:1 (Middle RPM)
8.0:1 (High RPM)


Awesome!
Do you know what compression i should be seeing when i am doing a compression test?

Thanks
Eric
 
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