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  1. MTRHEAD

    Shipping - Maine to PNW

    Did you buy that one? I was thinking of buying it too.
  2. MTRHEAD

    WTB 08+ Supertjet nozzles (62T)

    There is also one more! The rental nozzles for 62t are like a 08+ superjet nozzle but have rubber on the trim ring like the GP760 but a different piece. (They are green) They are fixed not dropped and can only be found on rental/fleet skis. Those were good for ski spec (don’t think anyone...
  3. MTRHEAD

    TBM twin pipes for SXR 800

    I’ll dig through my notes They are much smoother than the single pipe even with ecwi
  4. MTRHEAD

    Stand!

    Honda had one. Never made it
  5. MTRHEAD

    TBM twin pipes for SXR 800

    Smooth power. Ecwi helped I had a set on a full limited 7700rpm I had a set on a full 844 stroker 7900rpm Each motor required different stinger sizes to realize best potential. Near the last set of pipes I believe Tim made the stingers to accept inserts
  6. MTRHEAD

    Super Jet Zeeltronics CDI for a 760 RN superjet

    Yes but you need to understand how many rpm your setup may turn. A type 9 setup from racing (port timing and pump load) spins up 7600-7700 rpm and only a zeel would be safe or msd total loss. However if your just low port 760 you might get away with oem cdi. Really need to know your...
  7. MTRHEAD

    Super Jet Zeeltronics CDI for a 760 RN superjet

    I would NOT go with the MSD with a type 9. You don’t want that much timing with that pipe once you get over 7000 or so rpm. You ski will be faster and actually live with oem modified cdi. You also have Protec domes which have a much better performance squish design on the domes. Most on...
  8. MTRHEAD

    World Finals

    Absolutely
  9. MTRHEAD

    World Finals

    Update for those who are not in Facebook. IJSBA is releasing this short closing report on the 2022 Jettrim WGP-1 World Finals. A longer report will follow in the next coming weeks. A lot turned out for the first post-pandemic World Finals that encountered new obstacles such as an East Coast...
  10. MTRHEAD

    World Finals

    Have to join the Facebook Havasu 2022 World Finals group. Then they post links to results info
  11. MTRHEAD

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

    Lol. I sold some brand new castings like dummy a few years back.
  12. MTRHEAD

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

    When you get a chance send a pic. im sure I’m going to need to post for sleeves Someday. I know people have them because so many people went big bore
  13. 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
  14. MTRHEAD

    SOLD Buckshot 44s with Riva Intake, reeds, and stuffers

    That’s a RIVA intake
  15. 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.
  16. 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...
  17. MTRHEAD

    Reducing Bpipe stinger diameter?

    When we were racing superstock SXR’s once the CC was allowed to go to 850 we would cut off the 41mm and go larger. The waterbox became the air throttle on BP. Until we got over 850 the stock water box was fine. Sure some people drilled some holes but overall it was just fine for top Pro...
  18. MTRHEAD

    Flywheel Lightening

    Yes believe it or not it lost its magnetism or a whole bunch. You can still feel some with a screw driver but not much. You can google it. Get magnets hot for too long and they loose the magnetism. It happened also to me on a 550 jetnetics and on a Vilder 62t wheel.
  19. MTRHEAD

    Flywheel Lightening

    Be careful. I bought one, 760 wheel, that was done by one of these guys. It no longer charged. The magnets got too hot from machining. Maybe dull tooling? I posted about it. Talk about a wild goose chase. Put in a non machined wheel and it charged! Put back in the machined and it didn’t...
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