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  1. 9

    Yahana 200hp txrr stumbles at idle

    take it to a good shop to have the carbs cleaned properly.
  2. 9

    Overheat alarm at idle... I think??

    does that mean your filter on the motor does not have the switch? or are you saying the filter with a switch just does not have water in it? the switch could go bad if you have that, giving a false indication.
  3. 9

    Overheat alarm at idle... I think??

    Do not pull the float out until you drain the tank of oil if you pull the float and screen out you may let stuff get by the screen that could plug up the internal passages. also you will need to make sure you get the screen back in and sealed properly before add oil back in. have you checked...
  4. 9

    Yahana 200hp txrr stumbles at idle

    possible a lean sneeze on one cylinder maybe. did you do the link and sync after reinstalling the carbs after cleaning
  5. 9

    2005 Yamaha F225 TXRD rubber grommet replacement

    I would think following the wires from the T&T switches to the relay would show you where that is located or follow the wires from the T&T motor to the relay. or your service manual should give you some info
  6. 9

    2008 90TRL need more power!

    maybe the prop was repitched, so it is not what it was originally from the factory. Low compression could be the gauge you used is not correct also use a timing light to see if the timing is in spec and advancing as it should only way I know of to see for sure if it is a motor problem is to...
  7. 9

    '99 115 Yamaha choke butterfly plates are different

    why do you think PI is 3.44 instead of 3.141592654?
  8. 9

    '99 115 Yamaha choke butterfly plates are different

    It is hard to keep up with if they keep changing things around but I think your area of 1/2" is one decimal place off 0.19635
  9. 9

    Syncing carbs?

    you should have looked before buying the tool
  10. 9

    Syncing carbs?

    I would imagine once you set all throttle plates together with them completely closed they are synced. the same amount of air will be flowing into each cylinder where even you place the throttle. And if the carbs are properly clean the jets should allow the same amount of fuel to be sucked in...
  11. 9

    Syncing carbs?

    as was posted already a Yamaha service manual will have the link and sync procedure, and it does not talk about a sync tool. just make sure all carb throttle plates are linked together with the plates completely closed not touching the idle speed screws. and timing is also part of the procedure
  12. 9

    1988 30hp yamaha breaking dowr

    How do you know it is not overheating? do you have gauges and a warning alarm that works, that you have tested to make sure? Is this a oil injected motor or a premix? since you think timing is a problem, have you put a timing light on this motor to see if timing is in spec but changes when the...
  13. 9

    1988 30hp yamaha breaking dowr

    overheating maybe. does this rig have an alarm that functions?
  14. 9

    1999 Yamaha 115 idle adjustment

    ....
  15. 9

    Low Compression, Low $ Advice

    Run it with Yamaha Ringfree Plus for a few months to see if it gets better
  16. 9

    1992 40HP 2t Overheating

    here is a better view even tho it is not of your motor. as I said earlier it helps seal off exhaust gases from getting into the water pump area
  17. 9

    1992 40HP 2t Overheating

    no #2
  18. 9

    1992 40HP 2t Overheating

    you said testing stat in boiling water, did you measure the water temp as you were heating it up to see when the stat opened. boiling water is above when it should open. also have you checked to make sure the dampener behind the water pump is in good shape to keep exhaust gases out of the...
  19. 9

    Yamaha 40 hp 2 stroke tach hookup

    6 poles is the best I can come up with from Faria
  20. 9

    Yamaha 40 hp 2 stroke tach hookup

    the single green, black and yellow look promising . yellow for key on 12+, black for ground/negative, and green for tach signal. should be easy to test to make sure
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