1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 227Get this manual
ENGINES 199193 Engine Specifications
Machine Model Engine Model CylDlspcc's 244 Bore mmlnStroke mmlnRing TypeRing End Gap (In New Piston Clrnc (in Piston SvcLimit (In 0.15 .006 Engine Operating RPM 6000 +1- 200
Trail Blazer Trail Boss 250 2x4, 4x4, 4x6, 6x6 Trail Boss 350L 2x4,4x4
EC25PF-07, 09 EC25PF-05, 08 EC35PL-02
7212.8346
Keystone (2) 1.5mm
0.23-0.46 .009-.018
0.28-0.53 .0011-.0021
Keystone (2) 1.5mm
0.26-0.53 .010-.021
0.60-0.95 .0024-.0037
5500 +1-200
199193 Carburetor Specifications
Engine Model Carburetor Type Main Jet Pilot Jet Air Screw Turns Out 1.0 .75 Jet NeedleE-Clip Position 5DP7-3 6DH29-2 Needle Jet Throttle Valve Cutaway 2.0 1.5 Engine Idle RPM
EC25PF-05, 07, 08, 09 EC35PL(E)-02 (1991-1993)
VM30SSZinc VM34SS Zinc
0-4(169) 0-6(480)