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Need some advise on cutting back 13/17 concord for superjet. There is a washer at the back or the prop.....do i still use it or junk it? Can i machine the 3mm of the shaft shoulder to set the prop back?? or do you have to machine the 3mm or the prop face that butts up against the shaft...

Need some advise on cutting back 13/17 concord for superjet. There is a washer at the back or the prop.....do i still use it or junk it? Can i machine the 3mm of the shaft shoulder to set the prop back?? or do you have to machine the 3mm or the prop face that butts up against the shaft...

Added the ATP pump cone and bored nozzle to 85mm. Worked really well and very noticeable increase in bottom end.........I was told the prop on my ski was a Solas I prop and was looking for a 13/17 Concord....turns out there was a 13/17 concord on the ski all the time......just got to get it cut...

Thanks guys.......at first i thought it was straight forward to bore nozzle to 85mm when adding cone....but i think ill check out a few more posts tonight just to make sure........Was gona bore the nozzle tomorrow so would be up and running for weekend. Im thinking 85mm should be ok.....most...

Cheers Frosty......im over in Ireland so can be a bit expensive to ship overseas......If i know what im looking for i can maybe pick one up on Ebay.uk What pitch should i be looking for in SkatTrak prop......????? iv also been looking at adding a Msd or Protec CDi.......seen a Protec...

Just started skiing 6 months ago and need some advise on best mods. Iv got a 05 superjet with Riva pipe...riva head(35cc) ...Boyeson rad valves...Iv ordered as freestyle pump cone and am about to bore out pump nozzel to 85mm at the weekend. The prop on the ski at present is a Solas I or J...