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  1. Yamarace998

    Drop in afr on every pull.

    I started to notice in logs that the afr drops to arround 10 in afr on every pull at arround 7000rpm. Turbo dynamics tuned. Anybody else see this? Is it normal?
  2. Yamarace998

    Engine going rich overnight.

    Hello. Got a major problem with my sled, several hour for searching for the problem but no. My sled went really rich overnight, went from 11.5 to arround 9 on idle. It just like ecu gives him extremly more fuel all over. Arround 9 on wot also. No errorcodes, sensor reading fine in logs, timing...
  3. Yamarace998

    Overboost

    Hello. I have changed to a bigger turbo and went with a external wastegate on my project. But sled is overboosting now on my 23 psi race flash with same crack pressure. I asume the boost duty cycle in boost table gonna be different with another turbo and wastegate. Can I compensate this with a...
  4. Yamarace998

    P1106-00 (08) fault code

    Hello. Can someone confirm what map sensor this it? That one in front or that one on the throttle boddy? P1106-00 (08) Pops up everytime I rescan fault codes and cant figure out why. Tryed to change both but no different.
  5. Yamarace998

    Bad idle

    Hello. Have a sidewinder 2017 with a idle issuse. Need to give it some throttle to start it and sometimes the rpm fall down to 900-1000 rpm. But sometimes it will idle arround 1300-1400 still low but little better. Have tryed different idle valves, checked every hoose for leak but cant figure it...
  6. Yamarace998

    Sidewinder headgasket

    How thick is a stock sidewinder headgasket?
  7. Yamarace998

    Overheating sidewinder 2017. Head gasket?

    Hello. I got a little problem, my sidewinder is overheathing on high rpm/full throttle and push colant in the overflow tank. Goes up to 110+ degrees celsius on wot and goes down to 70-80c after i let go on throttle. No high temp on cruising speed on trails. No oil in water, no water in oil...
  8. Yamarace998

    Yamaha sidewinder big turbo clutching

    Hello. I got a custom race sidewinder with arround 400-450hp. But cant figure out what i should use in the secondary clutch to get all the power into the snow. What helix and spring do you guys recommend for drag and trail riding. Thomas, Norway.


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