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  1. MTRHEAD

    Hull WTB: 96’-20’ SJ hull

    Looking for 96-20 Superjet hull. Bare or parted Please PM Thank you
  2. MTRHEAD

    760 Crankshaft differences?

    Yamaha 760 64x crankshaft out of a 1996 WB2 Never seen one with holes in bottom of rods versus slots. I’ve seen maybe 100+ Yamaha oem cranks. This is a first. My guess very early 760 crank? I’m guessing this was done for strength and they reverted back to traditional slots for some...
  3. MTRHEAD

    For Trade WTT: Blue RRP OVP for Black or Silver

    WTT: long shot. Wanted to trade my Blue RRP OVP system for Black or Silver. used one weekend and only blue part on my 22’. (RRP pole stop too) Trade for black or silver before painting. RRP only had blue in stock when I “just had to have it now”
  4. MTRHEAD

    Want to Buy Skat c75 Yamaha 144mm 15/20 swirl

    WTB: Skat C75 big hub Yamaha 144mm 15/20 swirl please message
  5. MTRHEAD

    Engine WTB. Cast Lamey/Dasa/R&D/Riva cylinder (small bore original)

    WTB: Cast cylinder. - SMALL BORE not big bore Preferred Can be: bare cylinder, old before PV stock, 5, 8, 10, stroke please PM
  6. MTRHEAD

    SOLD Riva dual intake manifold and reed spacer

    FS: 701-760 Riva dual manifold with Reed spacer (not modified/ported). $100 shipped in USA.
  7. MTRHEAD

    SOLD 61x ported cylinder and pistons 736cc

    For sale 61x cylinder ported at 83mm - 735cc Deck height - stock 119 (measures 118.9mm) Ex port width 55 Ex port duration 180-181 appx 39mm down assuming oem base gasket Transfer port duration 119-120 appx 55mm down assuming oem base gasket Boost port widened and lowered Transfer inlets raised...
  8. MTRHEAD

    760 OEM flywheel charging issues

    Another story for others to have data for Changed motors in my square nose. Went from a stock 3 lobe 760 OEM flywheel / zeel setup that was working fine. (Fully charging battery and nice running setup) Put in my Lamey motor with a 760 OEM flywheel that was lightened and purchased from a...
  9. MTRHEAD

    SJ dies under acceleration

    Want to share an interesting experience. 1990 square nose I redid this year with all the normal race stuff from the era. Couple of motors. Mild superstock motor and a Lamey/RD cylinder, 8mm rad crank short rod, novi’s, setback pump, dry pipes, wet pipes, etc. During the process of breaking...
  10. MTRHEAD

    Other Off brand Versa climber (best off ski tool)

    For sale - Everyoung climber Absolutely the best off ski training tool ever! Especially if your racing or competing. This is the #1 exercise tool racers used in the 90’s & 00’s and I’m sure some today still use it. No time or room anymore (old now and I try to ride in free time). The...
  11. MTRHEAD

    RRP carbon tube into billet lite - engagement

    What is the minimum engagement of the RRP carb tubes into the billet lite pole? Some reference point like end of 3rd bolt or 1/2 beyond. Something like that the instructions don’t address! RRP pole instructions are weak! I even got some bolts and spacers I have no idea what they are for...
  12. MTRHEAD

    WTB. Yamaha WPP head for domes

    Looking to purchase Yamaha (WPP) head like Picture. Cast that accepts domes Red Yamaha preferred but WPP is ok Please PM
  13. MTRHEAD

    760 Flywheel - welding required for ring gear

    How many of you are welding the ring gears on your 760 oem flywheel? (Especially those lightened) I have 2 760 oem flywheels and both of them turned the flywheel while the cold fusion gear lock was in place. I can’t be the only one with issues with all these zeeltronic 760 conversions...
  14. MTRHEAD

    Want to Buy TBM-R&D Yamaha 144 pump stuffer cone

    WTB: TBM or RD pump stuffer cone yes I know the Solas pump is better. I’ve owned both before and I only need a pump stuffer for an OEM pump please message - trade or $
  15. MTRHEAD

    Want to Buy 760 billet coupler Riva or Protec

    Looking for the matching Riva or protec billet coupler for the 760. These were sold for GP760/800 and Waveblaster 2’s please pm.
  16. MTRHEAD

    SN vs SQ pole length

    Does anyone know the difference in pole length between Square and Round? (Note: I have measured that 08+ is 50mm shorter than 96-07) i have read lengths all over the map for squares Building a square and need to know to make steering decision on a square
  17. MTRHEAD

    Standups in Investors Daily - LOL

    Saw this today - lol
  18. MTRHEAD

    Want to Buy Yamaha FPP type 4 manifold. Factory or a Riva

    WTB: Yamaha factory pipe type 4 manifold or Riva. Just manifold please message Buy or trade
  19. MTRHEAD

    Want to Buy Prowatercraft “fiberglass” front Superjet sponsons

    Wanted to buy a set of prowatercraft fiberglass front sponsons. Superjet used/removed or new please message
  20. MTRHEAD

    Want to Buy 64x 760 cases

    WTB: Looking for 64x 760 cases (clean) on this site before going to ebay shipping is 48304
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