Need some help with clearance problem

Discussion in 'Frame Mounted Engines' started by dropndestroy, Feb 9, 2011.

  1. dropndestroy

    dropndestroy Member

    Im working on my first build and im working wit a 70s 26in schwinn beach cruiser wit a ebay 80cc kit. i could not use my stock crank arms cuz they were to long and would hit the stock muffler i put shorter ones but would b a pain to pedal. i bought a extended muffler off ebay and im still haveing clearance problems wit the muffler. wat are some ways around this.

    i havent started the motor or anything yet i still workin on the mounting

  2. bikerer ron

    bikerer ron New Member

    Crank Hitting Exhaust

    Heat the pipe and bend it?
  3. V 35

    V 35 Member

    My Grubee pipe was way off [ 80 cc ] Remove pipe before bending, heat cherry red,
    twist flange with pipe wrench, with pipe secured in vice. Re- bend to gentle out curve by
    heating, and bending, using a long bar to bend flange away from muffler.
  4. 5-7HEAVEN

    5-7HEAVEN Guest

    Buy an SBP expansion pipe. Aside from great slip fit adjustments, it produces great hp.
  5. dropndestroy

    dropndestroy Member

    This is the bike i have now where can i find the one ur talking about.

    Attached Files: