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  1. 9

    Will not pee

    if the PRV is stuck open it will dump too much water to fill the block at low RPM
  2. 9

    Will not pee

    exactly what would block the water from coming out of the stat opening with it out? if water does not get up to the top of the head/block it is ot pumping properly
  3. 9

    Will not pee

    I thought the same thing, but he said he was not getting water to the stat, so blocked tell tail would not cause that
  4. 9

    Will not pee

    why was it replaced? did you have a overheat problem? if the housing has a problem it needs to replaced also
  5. 9

    Will not pee

    drop it into the water and try it, sometimes they have trouble on a hose. did you use a Yamaha water pump kit or after market?
  6. 9

    2003 Yamaha 50 hp 2 stroke

    have you put a timing light on the motor to see exactly what the idle timing is when cold and after the motor has warmed up? also when at high RPM. good compression, good spark at the correct time, and proper fuel to air. test what you can and then chase the fuel to air my 1999 C40 had a bad...
  7. 9

    2003 Yamaha 50 hp 2 stroke

    did the new middle carb come with a new prime start assembly?
  8. 9

    Suzuki 2007 DF115 Cranks But Won't Fire

    30 hours in 17 years is not good for a motor. I am not sure what 100% gas is now a days. seems that motor has spent it's life sitting and not having much fresh fuel fed to it. good luck with it from now on, but you need to run it more often
  9. 9

    Cant find the year of my mot

    1987 https://www.boats.net/catalog/yamaha/outboard/1987/40hp/40sh?msclkid=ea86595ff8841b3160a83fb4247bc583&utm_source=bing&utm_medium=cpc&utm_campaign=TNT_Text%20-%20DSA%20-%20OEM%20Parts&utm_term=yamaha&utm_content=Yamaha
  10. 9

    Cant find the year of my mot

    what country are you and your motor in? can you post that letters are after the 40S
  11. 9

    slight gas in oil 2009 yamaha 4 stroke

    only way to know if you have the motor propped right is to run it WOT to see what RPM it gets too. you do not have to keep running it hard tho
  12. 9

    15HP Yamaha overtemp light

    service manual for your motor will have the specs. I would think most motors would be the same, but I cannot say that is true
  13. 9

    15HP Yamaha overtemp light

    all I can think of is to do a chemical clean of the motor, good chance there is a buildup in the cooling passages. WOT burns more fuel and creates more heat. and it is not a good idea to keep running a motor that is overheated . the motor lets you know there is a problem, so you need to shut...
  14. 9

    Suzuki DT16 1980s

    find the part number for that part on your motor, and then do a web search for that part number
  15. 9

    slight gas in oil 2009 yamaha 4 stroke

    why? was that all you could get out of it?
  16. 9

    slight gas in oil 2009 yamaha 4 stroke

    make sure the stats operate in spec., cold motor makes oil sometimes slow running, idling, or trolling tends to make oil too over propped does to I think. what RPM will it hit at WOT
  17. 9

    1994 Suzuki DT140 High Idle Issue

    spark to the spark plugs going to them before top dead center, instead of after top dead center while at idle. a timing light hooked to #1 spark plug will show what it is doing
  18. 9

    1994 Suzuki DT140 High Idle Issue

    throttle not going all the way back down to idle or timing staying to far advanced are my only guesses
  19. 9

    1993 4stroke t9.9elhr

    a pic is worth 1000 words. how is anyone supposed to guess at what wires you are talking about
  20. 9

    90 Yamaha 2 stroke overheat

    if you cannot get it out , you can always try putting it back together and hope it seals up OK. might use a little gasket sealer also
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