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  1. J

    *( Yamaha WR650 crankshaft seal is bad can i move the engine forward and tilt it up to remove flange also how does the flange com off ?? any answers

    89 Yamaha WR650 crankshaft seal is bad can i move the engine forward and tilt it up to remove flange also how does the flange com off ?? any answers
  2. J

    1993 Force 40

    Replaced cylinder head replace water manifold and gaskets replaced adapter plate and mounting plate gasket. 125 compression on both cylinders, rebuilt carb checked reeds. Will run out seems to intermittent miss at full speed. at idle it will run smooth but keeps spitting and missing, Please see...
  3. J

    91 Force 40 runs rough

    Force 40 pulled reeds they look great, rebuilt carb, New Plugs, Compression 125 on both cylinders. Runs out at 5000 but acts like a intermittent miss. when idle it shakes and spits like a burnt valve in a four stroke. getting exhaust in cowling. I am at a loss ?? been working on this for a long...
  4. J

    1991 WR650 no spark

    I did every test from this previous posting and all readings are ok, still not running, I replaced coil, and cdi and new plugs still no spark any help ?? Testing a Yamaha 650/701/760 electrical system July 10th, 2010, 06:57 PM This was not written by me - but there seems to be...
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