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  1. J

    2008 Yamaha 90HP 2 stroke NO SPARK- PLEASE HELP!

    My 2008 90hp yami 2 stroke will not start. It cranks, tach comes on, low oil level horn works but there is no spark. It has been running great but when I went to start it Sunday it cranked but would not fire. I pulled the plug wires and there is no spark on any cylinder. I have looked for...
  2. J

    Yamaha 90hp Mystery Fuel Leak

    Hey Guys: 1987 Yamaha 90, I have gas leaking from somewhere under the powerhead, I pulled the aprons off and the gas is coming from behind and above the front apron. Is this the main crankcase seal going? Anything I can "tghten up" to stop this? I have no other visible leaks, carbs, intake...
  3. J

    Yamaha Tilt Screw Stripped NEED HELP!

    Replaced the trim piston seals on my 1984 90hp Yami and cannot bleed the system, The head on the tilt screw is stripped. Is there another way to bleed this? ANY help is appreciated!<br /><br />Thanks
  4. J

    Yamaha Lower Unit Shaft Question

    I just purchased a new lower unit for my 1987 90hp. My original unit's drive shaft has a spring loaded pin at the top which I assume preloads a bearing. The new one does not, is this an issue?<br />Thanks in advance for any help.<br /><br />-JR
  5. J

    Lower Units

    Will a 1990 70hp Yami lower unit fit on a 1987 90hp Yamaha?
  6. J

    Need a Yamaha Mech to Reply Please!!!

    Hello All, I'm new to this forum and I need some help. First "yes" I used the search function. <br />I have a 1987 90hp Yamaha, coming in the other day the motor started making a faint knocking / tapping sound that is consistant with the RPM. When I run it up above 4400rpm to WOT it surges like...
  7. J

    Yamaha 90HP SURGING / TAPPING

    Hello All, I'm new to this forum and I need some help. First "yes" I used the search function. <br />I have a 1987 90hp Yamaha, coming in the other day the motor started making a faint knocking / tapping sound that is consistant with the RPM. When I run it up above 4400rpm to WOT it surges like...
  8. J

    Yamaha Making Noise

    Hello All, I'm new to this forum and I need some help. First "yes" I used the search function. <br />I have a 1987 90hp Yamaha, coming in the other day the motor started making a faint knocking sound that is consistant with the RPM. When I run it up to WOT it surges like I'm closing the choke on...
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