Toasted engine!

Discussion in 'Motorized Bicycle General Discussion' started by Venice Motor Bikes, Mar 14, 2010.

  1. Drewd

    Drewd New Member

    Joined:
    Jul 25, 2008
    Messages:
    425
    Likes Received:
    0
    I had that happen once when I lost a ring retaining pin. I now JB weld those pins if I can remove then with a pair of pliers.
     
  2. stuartracing

    stuartracing New Member

    Joined:
    Dec 9, 2008
    Messages:
    488
    Likes Received:
    0
    Spray some aluminum paint in the engine to fill in the scratch`s in the cyl.....Plus jb welding the ring together and you should be set.....lol.....
     
  3. exavid

    exavid New Member

    Joined:
    Dec 12, 2009
    Messages:
    163
    Likes Received:
    0
    I haven't had the cylinder off my Skyhawk 49cc mill, do these things have pinned rings? It looks like your ring might have turned on the piston, most two strokes I've been around have a pin in the groove to prevent the ends of the rings from getting caught in the intake or exhaust ports.
     
  4. stuartracing

    stuartracing New Member

    Joined:
    Dec 9, 2008
    Messages:
    488
    Likes Received:
    0
    Yes they are.....And I`ve almost messed up my self by miss aligning the rings....Might be what happened....
     
  5. Outrunner

    Outrunner New Member

    Joined:
    Dec 27, 2008
    Messages:
    147
    Likes Received:
    0
    That's pretty funny Pablo, I like that!
     
  6. Venice Motor Bikes

    Venice Motor Bikes Custom Builder / Dealer/Los Angeles

    Joined:
    Mar 20, 2008
    Messages:
    6,169
    Likes Received:
    18
    Just so everyone knows... I've never once taken the head off the engine in the 2.5 years that it's been on the bike.
    It could've been the ring pin, who knows? I think the old man just couldn't take the extra high revs... :rolleyes:
     
  7. exavid

    exavid New Member

    Joined:
    Dec 12, 2009
    Messages:
    163
    Likes Received:
    0
    Pretty difficult to say but I'd bet the staking pin came loose. Can you get the piston out of the bore if you punch the ring end back in?
     

Share This Page