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Thread: 200x motor problems again??????

  1. #1
    Join Date
    Apr 2008
    Location
    Homer Michigan
    --
    39

    200x motor problems again??????

    ok just had my 200x motor rebuild last mounth now it will not run again
    I started it up went to turn the lights on an it knocked like three times and quit??
    the guy who rebuilt it said it had a high lift cam in it and so he ajusted the lifters as best as he could and that the rattling was from the cam??? now the bicke would hulla** but would bog when wide open could that be from the valves not being set right?
    thanks any help would be great!!!!dead in the water again
    1985 200x

  2. #2
    Join Date
    Jan 2003
    Location
    Southern MN
    --
    1,875
    Have you pulled the caps off the rocker cover? Do this, and see if the rockers move. there should be a little play in them as you turn the motor over. If you get the motor at TDC, they should both be able to be moved up and down by finger but not much, about .003 in. if you would use a feeler guage. Does the motor still kick over? Does it seem there is still compression? Spark? Getting gas/ petcock on the "on" position? There is a possibility the valve could have smoked the piston and bent the valve if the rockers were set too tight. Good luck, and fill us in with a little more detail so we can help you out.
    THE 80's RAGE! Currently owns:
    81, 85 Yamaha Tri Moto 125
    83 Yamaha Tri Moto 200 x2
    82,83 Yamaha Tri Moto 175 project
    85 Yamaha Tri Z 250
    84 Kawasaki Tecate 250
    84 Honda ATC 70
    85 Honda ATC 350X
    84 Honda ATC 250R
    (2) 84 Honda ATC 200x
    82, 83 Honda ATC 185s
    81 ATC 200
    Lots of other parts and bikes

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