Discussion in 'General Questions' started by Drewsky, Aug 9, 2015.

  1. Drewsky

    Drewsky New Member

    Can anyone tell me why my china girl motor eats up my zb jet80. Ive built 3 bikes from the same company and this one just ran way better.145psi on the compression tester.

  2. Drewsky

    Drewsky New Member

    My next build is gonna be a trike with studded tires so i can get around this winter
  3. crassius

    crassius Well-Known Member

    many ebay places change suppliers for their motors a lot
  4. jaguar

    jaguar Well-Known Member

    145psi beats the crap outa the standard 90psi
  5. crassius

    crassius Well-Known Member

    all I've seen over last 6 years or so that run well are between 125 & 150 with one heavily modded that is at 165