butre's Recent Activity

  1. butre replied to the thread this top end got skills !.

    if you're losing material in the crankcase you're losing primary compression. test it yourself if you like, but a thousand people...

    Feb 22, 2017 at 12:49 AM
  2. butre replied to the thread Witch Color to Use~Oil that is?.

    a 2 stroke is a 2 stroke is a 2 stroke is a 2 stroke. unless it's a diesel, whole nother can of worms there. weed eater oil is fine,...

    Feb 21, 2017 at 11:08 PM
  3. butre replied to the thread this top end got skills !.

    even lower primary compression. at that point I would suggest case stuffing.

    Feb 21, 2017 at 8:47 PM
  4. butre replied to the thread this top end got skills !.

    the main difference between the trench and a hole in the piston is that the trench gives longer engine life in exchange for lower...

    Feb 20, 2017 at 8:22 PM
  5. butre replied to the thread I just built my bike today. I've mixed fuel. But do you need oil in engine ..

    it doesn't mess up the air/fuel mixture but prefilling the case with oil can cause plug fouling. especially if you don't know how much...

    Feb 19, 2017 at 3:08 AM
  6. butre replied to the thread I just built my bike today. I've mixed fuel. But do you need oil in engine ..

    I wet the bearings with oil when I tear down the engine. other than that I don't do anything to reduce wear

    Feb 18, 2017 at 2:09 PM
  7. butre replied to the thread Hopped up motors.

    third transfer ports can easily be a 15% improvement with a reed valve engine if designed properly

    Feb 18, 2017 at 2:07 PM
  8. butre replied to the thread Motorize Bike Packing.

    it's a pedestal mount on a skyhawk frame and a very rigid exhaust system attached to the frame with thick steel. it's still 2 points of...

    Feb 18, 2017 at 1:55 PM
  9. butre replied to the thread Offset Intake Has Paint.

    don't worry about it. you'll just get trace amounts over the course of a couple hundred miles.

    Feb 17, 2017 at 5:54 PM