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  1. 9

    Prop caught on trap, engine wont turn over

    1st thing to do would be pull the prop off and make sure nothing is binding up between the prop and gear case
  2. 9

    Prop caught on trap, engine wont turn over

    does the starter engage but not turn the motor? or is the starter not even tying to energize? some 4 stroke motors have the oil pump run off of the drive shaft, so if that is not in place then there is no oil being pumped It is always a good idea to state the complete model # of the motor you...
  3. 9

    Yamaha 4hp 2 Stroke Powerhead Removal

    follow the path of the TT to see where it goes into the powerhead, and disconnect the hose from there, to clean it out better in both directions. I am guessing there is a hose making the connection between the two.
  4. 9

    Yamaha 4hp 2 Stroke Powerhead Removal

    No help on pulling power head, but did you try hooking a water hose to the water pipe heading up to power head from water pump, turning on the water to see if water flows out the tell tale then? what about removing the stat cover to see if water comes out of there? If water flows that way...
  5. 9

    Carburetor question on restoration I’m working on 1992 40 hp MSHQ Yamaha

    Faz was only giving reasons for clean plugs but then people play with jetting all the time changing things and some jets/passages can get partially restricted. someone saying the carbs are clean does not always mean that is true
  6. 9

    2004 Yamaha Z200TXRC hdpi - Fuel in Exhaust

    knowing if rail pressure is in spec would be a good idea
  7. 9

    Converted my 1999 2 stroke 9.9 to a 15hp

    some may not know how to compare .7mm to 6.0 mm
  8. 9

    High Altitude Rejetting

    yep less O2 up higher so less fuel needed to burn properly. this also means less HP, so it will not be able to push the prop you had if it was chosen correctly for sea level
  9. 9

    Carburetor question on restoration I’m working on 1992 40 hp MSHQ Yamaha

    the only time a 3 cylinder motor will not be sparking on all 3 cylinders at the same rate is if there something is wrong with the ignition system components. spark is driven my the flywheel turning rate and it does not change speed for the different cylinders adjusting the individual carb idle...
  10. 9

    2000 Yamaha F50 high rpm in idle.

    I would think if it has a choke and the linkage hangs up there could be a problem. as I said look to see if something is hanging up keeping everything from going to the idle position.
  11. 9

    2000 Yamaha F50 high rpm in idle.

    you need to inspect the linkages to see if something is sticking and not returning to the idle position. even the linkage to the timing advance
  12. 9

    2005 Yamaha 90 LTR 2 cycle blowing 20 amp motor fuse

    or when you turn the key on?
  13. 9

    2005 Yamaha 90 LTR 2 cycle blowing 20 amp motor fuse

    sounds like it points to the RR
  14. 9

    Wiring diagram

    that would cause someone to really scratch their head if checking the switch if they had no idea what wire colors on Yamaha's were suppose to be
  15. 9

    Buying a boat with 05 F225s - what to look for?

    no crystal balls here to tell when you would need to repower
  16. 9

    Wiring diagram

    OK now I have to ask why that shows W to B connected when in the on position and R to Y in the off position on the start switch
  17. 9

    F115 Yamaha no trim

    two in one package
  18. 9

    gas pouring out of top of carburetor

    looks the same to me
  19. 9

    gas pouring out of top of carburetor

    float is not closing off needle and seat when carb is full of fuel. trash in needle and seat of bad float
  20. 9

    Yamaha 15 hp 2stroke stock propeller size?

    color me wrong on that then, sorry
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