Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 29Get this manual
GENERAL INFORMATION MODEL: INDY 800 XCR MODEL NUMBER: S01SB8AS ENGINE MODEL: EC79-PL013 JETTING CHART
AMBIENT TEMPERATURE
CARBURETION
Type Main Jet Pilot Jet Jet Needle Needle Jet Cutaway Idle Mixture Screw Valve Seat Fuel Octane (R+M2) Throttle Gap Under Cutaway Starter Jet Pilot Air Jet Exhaust Valve Spring (3) TM 38Mikuni 440 50 9DH6-54-3 P-4 Fixed 2.0 0.75 Turns 1.5 Viton Key Switch Adjustable 91 Premium 89 Regular 0.059 (1.5mm) 145 0.9 Blue
Altitude
Meters (Feet)
0 900 0-900 (0-3000) (0 3000) 900 1800 900-1800 (3000-6000) (3000 6000) 1800 2700 1800-2700 (6000-9000) (6000 9000) 2700 3700 2700-3700 (9000-12000) (9000 12000)
Below -20F -20 Below -29C
-20 -20_ to +10_F +10 -29_to -12_C
+10 to +40 +10_to +40_F -12_ to +5_C
Above +40 +40_F Above 5_C
460 #3 420 #3 380 #3 340 #2
440 #3 400 #3 360 #2 320 #2
420 #2 380 #2 340 #2 300 #2
390 #2 350 #2 320 #2 280 #2
#X# refers to the clip position from top of jet needle- Production Setting