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Jet Chart

DPM can only make your mixture leaner than your base jetting, it cannot make it richer. If you are in extreme cold conditions you will have to put in larger jets.

There are jetting charts for DPM equipped sleds, contrary to what has been posted. For example, a 2000 700 Summit will run 280 mains down to -20F and then you need to go to 290's.

To answer the original question, I do not have the charts for 2003, but the parts fiche shows 430 mains to be standard.
 
800 H0 jet chart

Found the following on a CD I have, you might do a search on Doo Talk, last year one of the guys had just what you are looking for.


Carburetor Type PTO/MAG TM 40-B247
Main Jet PTO/MAG 430/430
Needle Jet P-0 ➄
Pilot Jet 17.5
Needle Identification — Clip Position PTO/MAG 9DHI12-58-3 ➅
Slide Cut-Away 2.0
Float Adjustment (± .040 in) N.A.
Air or Pilot Screw Adjustment ± 1/16 turn 1-1/2
Idle Speed ± 200 RPM 1500
Gas Type/Pump Octane Number Unleaded/87
 
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