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Apex head porting?

Discussion in 'Mod Results' started by lawndoctor, Dec 11, 2012.


  1. justin gallant

    justin gallant Expert

    Messages:
    235
    Location:
    moncton
    Country:
    Canada
    Snowmobile:
    2006 apex GT
    LOCATION:
    moncton new-brunswick
    Hahaha seen this one already.got to give the guy credit
     
    tsiceman likes this.
  2. mrtwostroke

    mrtwostroke Expert

    Messages:
    209
    Location:
    Sweden,Lulea
    Country:
    Sweden
    Snowmobile:
    Sidewinder MTX 240 Tune Sidewinder XTX 240 Tune M6000 141.
  3. MarkAttack

    MarkAttack Pro

    Messages:
    161
    Location:
    South West MI in the Mud
    The same engine in a Motorcycle puts out 200 HP @ 14,500 RPM Snowmobiles work a lot harder than a motorcycle that's why Yamaha set them up to put out 150 to 165 HP at 10,500 RPM .. Obviously more aggressive camshaft higher compression ect.. will add some HP ..
     
  4. MarkAttack

    MarkAttack Pro

    Messages:
    161
    Location:
    South West MI in the Mud
    20,000 RPM wonder how they gear it down ? would use 10 gallons of Kerosene in about 10 miles ..
     

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