1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 374Get this manual
ENGINESCARBU RETION All 1991 Models Engine Model NumberEC25PF Carburetor TypeVM30SS Main Jet145 Needle Jet0-4 (169) Pilot Jet40 Jet Needle5DP7-3 Cut Away2.0 Air Screwturn
Altitude-Meters (Feet) 0-900 (0-3000) 900-1500 (3000-5000) 1500-2200 (5000-7000) 2200-3000 (7000-9000) 3000-3400 (9000-11000) -200 170 160 150 140 135 0+20 160 155 145 135 130 +20+40 155 150 140 130 125 +40+60 150 145 135 125 120 +60+80 145 135 130 120 115 +80+100 140 130 125 115 110
All 1992 to Current Models with EC25PF Engines Carburetor TypeVM30SS Main Jet145 Needle Jet0-4 (169) Pilot Jet40 Jet Needle5DP7-3 Air Screwturn Cut Away2.0
Altitude Meters (Feet)
AMBIENT TEMPERATURE
Below O'F Below -18'C 0-900 (0-3000) 900-1800 (3000-6000) 1800-2700 (6000-9000) 2700-3700 (9000-12000) 170 155 140 130 0' to +4O'F -18'10 +6'C +40'10 +BO'F +5' to+26'C +80'Above 'F 26'Above 'C 135 125 115 100
155 145 130 120
145 135 120 110
All 1991, 1992, and 1993 Models with EC35PL Engines (Revised) Engine Model NumberEC35PL Carburetor TypeVM34SS Main Jet200 Needle Jet0-6 (480) Pilot Jet30 Jet Needle6DH29-3 Air Screw34 turn Cut Away1.5