full circle crank

Discussion in 'Newbie Scooter Tuning' started by jay88, Jun 15, 2011.

  1. jay88

    jay88 Member

    Messages:
    65
    i know this sounds daft just a quick question i was thinking of buying a pm tuning full circle crank for my nrg power 50 some one told me this would add more cc to my bike is this true if it is how much would it add cheers jay
     
    jay88, Jun 15, 2011
    #1
  2. tErr0

    tErr0 Administrator Staff Member

    Messages:
    5,816
    No it wont. It adds primary compression. If you buy a longer stroke crank and fit a spacer plate it will add cc.
     
    tErr0, Jun 15, 2011
    #2
  3. Surferdude

    Surferdude Member

    Messages:
    234
    Rides:
    Area 51 50cc w/c
    What's primary compression ? (sorry, sill a 2t novice) ;)
     
    Surferdude, Jun 15, 2011
    #3
  4. tErr0

    tErr0 Administrator Staff Member

    Messages:
    5,816
    It's basically the compression inside the crankcase as 2 strokes need that to draw fuel in.
     
    tErr0, Jun 15, 2011
    #4

Share This Page