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  1. 9

    Yamaha 40plrr throttle cable/CDi

    did you have that linkage all apart? it does not look the same as my C40TLRX there is a large cam that hits the roller on the carb linkages to open those as the cable moves. might see if you can find a service manual for your motor to see if that has any info
  2. 9

    Dual tacometer

    I would not think it would be, but try it and report back if it works
  3. 9

    F80 - sometimes won't turn off

    they make contact cleaners, but spraying just about anything in there even WD40 and pushing the connecter in and out a few times might be helpfull to see if that helps
  4. 9

    Randomly collapsing primer bulb?

    but if there is water and trash in the tank you will trash up the rest of the system if you bypass the filter, if it was a plugging filter
  5. 9

    Randomly collapsing primer bulb?

    something is restricting the flow of fuel from the tank. is it a built in tank? if so, it should have a anti syphon valve and or a sock/filter on the pickup tube that needs to be checked on
  6. 9

    F80 - sometimes won't turn off

    since both the ignition switch and Kill switch have the problem at the same time, I would guess a bad connection in the harness , have you tied unplugging the connector at the motor and cleaning those connections up. or see any corrosion in there? it could be in the cable itself, but to check...
  7. 9

    filter change

    this is why most will let the dealer do the 1st service, ust to document it was done. but maybe receipts for the parts with dates would help for self servicing. I also like the idea of pics with dates of servicing
  8. 9

    Can guage for trim be calibrated?

    is the gauge set for 2 wire ?
  9. 9

    Can guage for trim be calibrated?

    need to make sure the gauge is set to see the proper trim sender. I have no idea what that 2016 f90 has, but there were 2 wire and 3 wire units on 2 stroke and 4 stroke Yamahas on different years
  10. 9

    filter change

    I have to ask, what is fear oil? I would think the 1st oil and lower lube changes are to remove the fine metal from the breakin of the motor and gears moving parts. I would also change the filter just to get rid of the stuff it caught and clean off the magnet of the lower unit drain plug too...
  11. 9

    No power to F9.9 Yamaha

    while you have the meter hooked up to the + and - of the battery feeding that motors starter (and at the starter connections themselves), turn the switch to start to see how far the voltages drop
  12. 9

    2003 Yamaha Outboard oil injection adjustment

    At least I hope they removed it properly so that it does not hurt the motor
  13. 9

    Spark plugs for 1996 Yamaha 15hp 15ESHU?

    I would guess about .030. find a owners manual for you motor and a service manual if you plan on working on this motor yourself
  14. 9

    No power to F9.9 Yamaha

    those are bonding wires to help the sacrificial anodes protect all the motor parts. check your battery voltage and all battery cables and connections.
  15. 9

    2000 175 HPDI trim issue

    you going to paint that area or just let it corrode. good to hear it was an easy fix.
  16. 9

    Yamaha 4 stroke 90hp oil leak in lower unit

    and the motor needs to have a proper working stat in place to make all parts of the motor to have the proper cooling water circulation.
  17. 9

    DF140 surging

    I would think monitoring the rail pressure would tell you if the pumps and filters are OK. rail needs to stay in spec
  18. 9

    Water Pressure Gauge, Yes You Can

    there should be a PRV Pressure Relief Valve that opens up to dump extra water pressure at high RPMs. you might want to make sure that funtions properly, not stuck closed Just to make sure
  19. 9

    whining noise in throttle

    just replacing the impeller may not be good enough. most replace the whole pump with a kit and maybe the housing also. and where did all the pieces of impeller go if they came apart? you may have pieces up inside the motor plugging up passages.
  20. 9

    1980 suzuki dt8 prop

    Motors do not come from the factory with props, cause no one knows what the motor will be put on and have to push. you will need to find out what your prop is. I had a 12 ft John boat with a 15hp many years ago, and I cannot think of a 8 hp pushing it with any speed. find you a bigger motor
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