no power

Discussion in '2-Stroke Engines' started by daveet66, Sep 23, 2016.

  1. daveet66

    daveet66 Member

    i had a motorcycle mechanic try to get my bike going he did but he put gas ratio at 50 to 1 and i think he tporqued it down to much has no power at all! do the pros think?

  2. zippinaround

    zippinaround Active Member

    50:1 is not enough oil in my opinion , there are many things that can cause power loss , most common I've come across is piston ring or cylinder damage from not enough oil (hopefully not the case here )

    Open the casings and check your crank seals , take off the exhaust and see if you can blow through it , remove carb and check for dirt and also check you have a good spark
  3. crassius

    crassius Well-Known Member

    if it is new, you might have to wait for it to run in a bit
    daveet66 likes this.
  4. Steve Best

    Steve Best Well-Known Member

    I think (from experience) having a bit more oil than 50:1 is good for these engines.
    With conventional lubes I got best results with 32:1
    More oil fouled the plug and dripped from the exhaust.
    Less oil didn't seal the ring as well. I did test from 16:1 to 40:1 with both synthetic and conventional.
    Currently I am using castor oil (NOT "Castrol"!) at 24:1 with great results for wear and power.

    Torqued it down too much? Did he use a torque wrench? If he did it is less likely.
    Buy a torque wrench and learn to do it yourself and BE SURE.
    Remember, you are tightening into aluminum, not steel. Less torque is needed.

    Listen to Crassius. Experience is golden. Read past posts, especially his.

    daveet66 likes this.