NRG help

Discussion in 'The Workshop' started by lupo91, May 28, 2010.

  1. lupo91

    lupo91 New Member

    Messages:
    24
    Hi all

    I have a piaggio nrg 50cc. my water pump went so I replaced that and the piston while the engine was in bits.
    I have had the bike running and working fine been out on it seemed ok
    Went to go back out on it a few minuets later, I tried to start my bike it started but cut out after few seconds, tried again it did the same the 3rd time I tried to start it the kick start locked and wouldn’t go down

    Any ideas?
     
  2. Gilly-93

    Gilly-93 Member

    Messages:
    181
    Rides:
    Aprilia Sr70
    Hi, when you did the water pump did you replace the main brgs, was the crank nice and free after mating the casings, we had a similar problem after being sold some so called 'race main brgs'lasted a few miles!!!! brgs heat up lock the crank etc...cools down starts again all be it 'noisey' ......liam
     
  3. lupo91

    lupo91 New Member

    Messages:
    24
    hi m8 not sure what you mean 'main brgs' all i changed was the water pump which came as a repiar kit and i changed the piston and piston rings but dose sound lyk my bike
     
  4. 125TypHXR

    125TypHXR Member

    Messages:
    285
    the main bearings that hold the crank......
     
  5. lupo91

    lupo91 New Member

    Messages:
    24
    nor i never replaced them
     

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