Alrighty yall ive searched and found ones close to what i need but nothing spot on hopefully someone has an answer, anyways i have a 98 summit 500L/C and the HAC went tits up on me the stock jets were a 320/330 and a 70 pilot, i have jet specs from a MXZ of the same year but its calling for a 50 pilot and 260/240 for the altitude i ride at is that a safe bet to go to or should i jet up some?
steveo2000
There was a recall on jetting for the 98 MXZ and Formula 500. Possibly the shop manual does not reflect this.
1998 MXZ - 500: mains 300P/280M, intermediate jet ( emulsion tube ) 480-Q4, jet needle 6DGY9-3, pilot 50, air screw 2.5 out
1998 Formula 500: 300/280, intermediate 480-Q3, jet needle 6DGY9-3 pilot 50, air screw 2.0 out.
Note there is a difference in the emulsion tube and jet needle from the Summit to the ones above. If you are a believer in horse shoes and hand grenades you may not bother to change them, but if you want it to perform correctly with the HAC delete I firmly believe you should change them. Some don`t change them and claim good performance ( I question that
)
The above specs are the factory specs, you may need a tweek on the mains for altitude.
1998 MXZ - 500: mains 300P/280M, intermediate jet ( emulsion tube ) 480-Q4, jet needle 6DGY9-3, pilot 50, air screw 2.5 out
1998 Formula 500: 300/280, intermediate 480-Q3, jet needle 6DGY9-3 pilot 50, air screw 2.0 out.
Note there is a difference in the emulsion tube and jet needle from the Summit to the ones above. If you are a believer in horse shoes and hand grenades you may not bother to change them, but if you want it to perform correctly with the HAC delete I firmly believe you should change them. Some don`t change them and claim good performance ( I question that
)The above specs are the factory specs, you may need a tweek on the mains for altitude.
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