80cc kit on a 50 engine..not running right

Discussion in 'The Workshop' started by rideorcollide, Jun 20, 2009.

  1. rideorcollide

    rideorcollide Active Member

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    ive put the 80 barrel off my sfera/typh onto my other typh as the stator went on the original 80 engine..

    i had the skirt machined so it would fit in the cases and i got it on there now and just started it up.
    the problem is it doesnt rev, it just splutters and doesnt move anywhere :(
    ive tried the 17.5 carb off the 80 with a 82mj and its still the same, also tried moving the needle down a couple notches but still nothing.

    its got a zx on it.. 5.5 rollers.. 82mj and a standard airbox (modded)

    does anyone know why it would be doing this?

    any help appreciated, i wanna get it going properly so i can sell it :mrgreen:
     
  2. monty9120

    monty9120 Active Member

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    maybe it just wont work in a 50 lol. you measured the conrod on both engines :cheers:
     
  3. rideorcollide

    rideorcollide Active Member

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    yeah youre right.. i took off the head today and the piston can only reach about 2cm from the top of the barrel :(
    looks like its just gonna have to be a 50 noww.
     
  4. nrgandy

    nrgandy New Member

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    why dont you just fix the old engine?
     
  5. monty9120

    monty9120 Active Member

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    :yahoo: should have sold me the old one as it was
     
  6. rideorcollide

    rideorcollide Active Member

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    i still got it there
     
  7. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

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    put a new type stator on the old 80 engine (done a few) just needs a new cover fan and a lil bit of the engine ground out. the length of the stroke is longer but the timing is the same..
     
  8. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

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    alternativly you can machine the difference from the top/bottom of the cylinder and ajust the port timings accordingly... wont last too long tho so fuck all point really. might aswell have 2 working engines
     
  9. rideorcollide

    rideorcollide Active Member

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    oh klkll. so i can put the stator off my s reg 50 engine onto the 80 engine yh?
     
  10. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

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    ye corse... if tis got the diff loom connector ether find a new loom or cut it back andf wire in the original plugs... you will need a new fan and cover and a part of the engie will need removing (look at the differences in the engines to see where the wires need to go/metal needs to come out)
     
  11. rideorcollide

    rideorcollide Active Member

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    ok thanks for that.. thats just what i wanted to know, wasnt sure if it would work.. im gonna give the engines to my m8 for his zip, his dad owns a harley shop so we should be able to get it working with all the tools at his house lol
     
  12. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

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    what harley shop? know a few "bikers"
     
  13. rideorcollide

    rideorcollide Active Member

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    snobs ultimate customs in hanger lane
     

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