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  1. S

    Oil on MPI supercharger

    I think it's normal air compressor oil!? Both the smell and look is similar. The function should be the same too!? Or does anyone have any info?
  2. S

    Supercharger Clutching

    What is your base weight? 55 Grams or 60 Grams?
  3. S

    upgrade fuel pump for nytro s/c

    Any news? Do we need a upgrade @ sea level?
  4. S

    pulley combinations?

    I run at sea level, and I have a liguid filled boost gauge, but not a A/F gauge. And want to know how much S/C is capable of delivering 28T engine/28T top at 8000rpm and 8200rpm. It's a Yamaha 180hk kit with other MPI gem. Do not know what separates the original MPI gem, but I think it was...
  5. S

    pulley combinations?

    1) What is the ratio whith 23/31(10-11lbs)? and is 23=engine and 31=S/C? 2) I have 26T engine and 28T S/C what is my boost? ratio must be 0,92.? Or am I wrong?
  6. S

    Yam 180HP MIP supercharger kit at sea level

    No, they will change it for sea-level driving, but I want to know what should be done? Change the amount of fuel? or is it just the boost that will change? I wanted to pick up the machine now, not having to wait for the snow to make his appearance! Thought if I could get the snowmobile, and...
  7. S

    Yam 180HP MIP supercharger kit at sea level

    Hi, New to the forum, nice site! Prior to this winter I bought a Nytro with Yamaha 180HP MPI supercharger kit, and I will run it on Swedish petrol 95 or 98oktan and at sea level 0-3000feet. This kit's are built for 8000feet I think? what should I consider? And what changes should I do...


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