R&D pipe setup 787? jetting and routing help - Blogs - PWCToday
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R&D pipe setup 787? jetting and routing help

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Quote Originally Posted by 951tuner View Post
75 piolets, 145 mains, 2.0 n/s, 65 gram springs, Mag HS 1, PTO HS 1 1/4, LS adjusters at 1 1/4 -- that is a good starting point for the screw settings-- the jets were spot on for my 97 GSX back in the day-- the gas may have changed some from when I tuned my ski thou. 160 and 160 in the top 2 fittings and a 120 for the stinger jet. I fed the 160's w/ the 1/4 line that came from the WB regulator-- start with the regulator turned all the way in and tune from there-- relative to water temp you run in.

The R&D pipe had a noticable better "hit" -- bottom to top than the stocker and pulled a consistant 100 additional RPM on the top end.
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