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Thread: 250r/300r hp question

  1. #1
    mikey's250sx's Avatar
    mikey's250sx is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    250r/300r hp question

    i have a 84 300r with a 38mm mikuni carb,dg pipe,fmf silencer from a cr250.and a uni filter. any ideas on hp figures vs. stock?

    just curious

  2. #2
    mikey's250sx's Avatar
    mikey's250sx is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    what about power vs. 85/86 with just a pipe?

  3. #3
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    i think the 85/85 had about 40 hp and the 84 had 30 stock. im no sure of the 300r power.
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  4. #4
    mikey's250sx's Avatar
    mikey's250sx is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    i was hoping with the bigger carb and displacement i would be in the 40-45 range

  5. #5
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    30hp for a stock 84 is too high, they're closer to 25-26. I think the crank hp #'s were like 29. I'd say you're in the mid to upper 30's but not in the 40's.

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