stock 50cc jet size ? ( m4 ? m5 ? )

Discussion in 'General Scooter Discussion' started by Sam Pottier, Mar 26, 2014.

  1. Sam Pottier

    Sam Pottier New Member

    Messages:
    22
    i have my stock 50cc 139qmb engine with stock carb jet and i dont have the time to take apart and measue the thread size of the jet........

    i was just wondering if any of you guys know the typical sizes ? either m4 or m5 ?

    cheers

    sam
     
    Sam Pottier, Mar 26, 2014
    #1
  2. MARSH

    MARSH Whooooo!

    Messages:
    3,266
    Rides:
    Piaggio Typhoon
    M4, typical size is about a 75.
     
    MARSH, Mar 27, 2014
    #2
  3. Sam Pottier

    Sam Pottier New Member

    Messages:
    22
    mine was m4 size 78 ;)
     
    Sam Pottier, Mar 28, 2014
    #3

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