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  1. MTRHEAD

    Triton Lite capacity?

    I’m toying with the idea of putting my 22’ in the center and 93’ and 14’ on each side. That’s about 1500 fully loaded with extra gas tanks
  2. MTRHEAD

    Triton Lite capacity?

    I saw that online for the newer ones. I don’t think that is my model (?) My width is only appx 92”. Maybe it’s same? I don’t know and Triton wasn’t much help since my trailer doesn’t have the sticker
  3. MTRHEAD

    Triton Lite capacity?

    Does anyone know the official capacity of this Triton Lite trailer? There is no sticker showing the GVW either only the safety sticker.
  4. MTRHEAD

    Increasing SNSJ exhaust diameter - Worth doing?

    If you’re only looking for a performance increase, assuming you’re using a race style modified Yamaha 62t based twin, I wouldn’t bother because you won’t notice. This discussion is similar to guys changing to aftermarket water boxes in skis that really need the oem waterbox back pressure to...
  5. MTRHEAD

    Increasing SNSJ exhaust diameter - Worth doing?

    My square goes in the 60’s and accelerates with the best of them. Unless your tray is full water I wouldn’t bother. i also used the bigger hose from the stock 96+ Aluminum box to the back stock 93 tube. Had to splice it a couple inches longer but it just squeezes down to fit on the 90-95...
  6. MTRHEAD

    Yamaha 760 Piston measurement Wiseco 85mm 757M08500?

    Just curious if the new Wisecos are sized like you say or not. I have plenty of “older” Wisecos that were stamped 84.9. So I didn’t know if the newer ones that’s are over sized they call out piston size or bore. I did find a brand new M08800 last night and it was about .006 undersized to...
  7. MTRHEAD

    Yamaha 760 Piston measurement Wiseco 85mm 757M08500?

    Can someone please measure a brand new 757M08500 Wiseco for a Yamaha or Woosner Note please measure the fattest part “about 1/2” up” from bottom usually is fattest on latest Wisecos I’ve seen The ProX 85mm 01.2514.100 is 84.91mm or 3.343”. Is the Wiseco 85mm (3.3465”)? Or is it 84.91mm too...
  8. MTRHEAD

    650sx cheater head

    WestCoast Performance Products
  9. MTRHEAD

    650sx cheater head

    Is this the head that west coast made in late 80’s early 90’s? They machined out a stock head to accept domes. If so I believe you just need is the WPP 650 domes and the special head gasket. I had a few of those 750 heads in early 90’s and they used same domes as the aftermarket WPP head...
  10. MTRHEAD

    Where's the best place to buy or have a crank rebuilt?

    650 is a thinner web crank. Preferred in years past - illegal in certain racing classes because you were only allowed to back date same model. SJ 650 is a different model than SJ700. but anyways requires welding for phase protection in high hp motors and racing high HP twins is a thing of...
  11. MTRHEAD

    Where's the best place to buy or have a crank rebuilt?

    Race teams go to Crankworks
  12. MTRHEAD

    SN to RN pole conversion bracket with pole lock

    If you have an old hazard or watcon you can drill a hole (some it’s already there) on the side and run a bolt/nut with a spring and push it sideways when pole is up. Other ideas have been presented on PWC today. look in individual builds and all the squares
  13. MTRHEAD

    62t,701 760 cases

    Check FB groups/marketplace: all the time $100-$200 complete and perfect. Got a set last week complete $135 shipped.
  14. MTRHEAD

    cheapest tubbies/sponsons

    Here’s a set
  15. MTRHEAD

    cheapest tubbies/sponsons

    My first set, late summer of 2001, was slabs of mahogany wood that was in the old boat woodshop. Shaped them then pulled them off and used west systems epoxy on them. I recall they were about 1/2-5/8” thick. Very similar to what R&D, 3dr made public at end of 21. Long before the shapes...
  16. MTRHEAD

    Fluid dynamics r&d trim nozzle

    Very cool. R&D marketed an adjustable nozzle in early mid 90’s. I only saw one ever. My hunch is it didn’t survive durability
  17. MTRHEAD

    9 port 81mm cylinder

    PJS Kawasaki supercylinders (last version) had casting for small aux ports as well and the WPP cylinder.
  18. MTRHEAD

    9 port 81mm cylinder

    There was a few of these casting with aux ports forsale on here about 10 years. No sleeves though
  19. MTRHEAD

    38mm Mikuni’s w/adapters

    Sold
  20. MTRHEAD

    38mm Mikuni’s w/adapters

    For sale: 38mm mikunis Came off a superjet with B-pipe limited 70/135 1.5 65 gram. Around 30-32 popoff Chokes removed Crossbar adjustment needles Clean set $150 shipped in USA. No special PayPal fees or other demands. Just USA shipping
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