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  1. Trailleader

    1,000ft

    That’s similar to the speed we would run on radar with z1s back when used to do speed runs. 09-10 Hijacker and race gas. Lots of 128 to 130 mph range in 1000 ft 1 inch hacksaws back then
  2. Trailleader

    Helix angles/STM/BDX,SSI/Yamaha

    Run a helix and stick with that company Always had good luck with stm and cat stuff Seems that all cuts differ a bit That’s a lot but that straight 38 stm is a good angle meaning the angle it actually measures I liked the 46/36 or 46/38 stm on trail
  3. Trailleader

    Early dyno reports (850R)

    Yes I follow on the 850r comp It is expensive to get right and and but I’m sure they will be some that are and are fast. 6-10 inches now for N IL It’s getting too high for amounts so it’ll probably be none! Lol
  4. Trailleader

    Early dyno reports (850R)

    It could be with clutching too. The poo 850 n/a picks up a ton with clutching alone I can’t wait to spoon feed some poo flap to the comp rs Lol maybe…. No snow Nice thing N Il calling for 3-6 inches Wednesday and N Wi a dusting
  5. Trailleader

    Larger intercooler?

    I ha I have a brand new one if anyone’s looking JT ????!!!
  6. Trailleader

    1,000ft

    Yes where is it Lol
  7. Trailleader

    Early dyno reports (850R)

    Says it’s hypersports apex motor to make Yamaha guys happy! Lol P55 motor
  8. Trailleader

    10 tooth 2.52 pitch drive sprockets for sidewinder srx 2019

    Ratios are different but you’re right you can make all similar 144 2.52 works I think it’s more durable because there’s more lugs I haven’t seen a gain switching back and forth on snow racing I don’t ride at high mph for miles like you guys and that cold be different from what you guys see...
  9. Trailleader

    10 tooth 2.52 pitch drive sprockets for sidewinder srx 2019

    As far as drivers go and sizes Maybe that’s changed
  10. Trailleader

    10 tooth 2.52 pitch drive sprockets for sidewinder srx 2019

    The 2012 procross had 10 tooth 2.52 drivers and shaft is same so you can press those on also as an option.
  11. Trailleader

    10 tooth 2.52 pitch drive sprockets for sidewinder srx 2019

    I think 2.86 rolls better More gearing options for 2.52
  12. Trailleader

    Early dyno reports (850R)

    Pick one up on your way by Arlington wi
  13. Trailleader

    Early dyno reports (850R)

    New Yamaha 4 cylinder right up the road JT
  14. Trailleader

    Early dyno reports (850R)

    I was out in a hard pack field by my shed Yes downhill helped a bit It was minimal snow I let off the throttle as you can see It runs in the neighborhood of 100 or a bit more now in 500 ft
  15. Trailleader

    Early dyno reports (850R)

    I understand and I’m saying that’s bad because honestly a 600 should do that on glare ice in 2000 ft. This was my sled prior to anything done last season. Had 128 1.63 triggers and stock everything else with 60 miles on sled.
  16. Trailleader

    Early dyno reports (850R)

    Thats pretty bad
  17. Trailleader

    Traction set-up questions

    Here Had to resize it That’s a weird analogy but Happy new year
  18. Trailleader

    Traction set-up questions

    I did? I’m running 128 studs in 137 with doubles in middle and outside singles every third lug. All angled backers I ran 192 prior and they were more prone to rip outs it seemed when all single standard backers. Both were using 1.63 triggers in 1 inch track 128 angled hooked harder everywhere...
  19. Trailleader

    Traction set-up questions

    I said not to ride it like a 600. Also when is there too many studs? Too little? I ran 24 in my 1988 Indy trail! lol Have you tested your theory’s? I’ve run both ways and I’m sharing what I’ve found. Also why would you buy a track known for throwing lugs? That’s interesting in itself!


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