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  1. 9

    2005 90hp Yam no spark.

    Looking at part breakdowns the 2 stroke 90 used a crank sensor since 92. from what I remember seeing they used 2 pulser coils and one crank sensor to tell the CDI when to spark the plugs. My 99 C40 uses 3 pulser coils to do that they do not show separate lighting and charge coils on the 90...
  2. 9

    High Voltage Yamaha two stroke 75 HP 2015 model

    I figured as much, the edit ability goes away quickly sometimes
  3. 9

    2005 90hp Yam no spark.

    I have no manual for a 90. Seems that sight sells CDI electronic aftermarket parts, but do not list any newer for the 90 along with the troubleshooting guide from CDI I guess they used different names for parts back in the old days now a days they use names like the CDI, lighting coils...
  4. 9

    High Voltage Yamaha two stroke 75 HP 2015 model

    I would think 17.5 vdc would not be good on a battery over a long period, I am sure that is why Boscoe asked about what kind of battery that 70 amp battery is. I also have no heard of a 70 amp battery before. What are you measuring that voltage with and exactly where are you taking the measurement?
  5. 9

    Suzuki DF 150: which thermostat, 122 or 160 deg F?

    the higher one will let the motor burn the fuel better
  6. 9

    High Voltage Yamaha two stroke 75 HP 2015 model

    the reason Boscoe says check grounds is the motors generating system makes more power/voltage than needed, the RR should shed the excess voltage to ground to limit what is sent out of the RR. I was wondering why he posted the same thing twice, but see he added a sentence on the end of the...
  7. 9

    2005 90hp Yam no spark.

    I would think that this did not come out of a Yamaha service manual. Where did you find this? some kind of aftermarket thing maybe CDI electronics use to have troubleshooting info online for a lot of different brands of motors and they made aftermarket CDIs for them also
  8. 9

    1986 yamaha 150 pro v oil questions

    make sure it is all going into the fuel system and not leaking out somewhere else. and then make sure your linkage is set properly
  9. 9

    2001 F115 alternator output

    If AMG calls for 14.4 max charging and you charge it at 14.5 or 15, that is over the allowable rate. so that would mean none of the charging systems would be right for them. In reality that small of a difference should not make a difference. battery cells go bad sometimes and most...
  10. 9

    2001 F115 alternator output

    I think a starting battery and some deep cycle batteries for the other things would be better. Is that 8D a battery that is considered a deep cycle meant to deep cycle over and over? most batteries are not
  11. 9

    2001 F115 alternator output

    most have a start battery and then a house battery to run electronics so you should be able to always start the motor Just need to set them up properly
  12. 9

    2005 yamaha 250 hpdi Stator or Rectifier

    why not, you said you were out on the other but kept going anyway, I am out on this one
  13. 9

    Yamaha 3cyl 60hp two stroke

    fuel pump or sucking air maybe does it help to pump the primer bulb?
  14. 9

    Trim Function for Yamaha 90 Four Stroke

    no one would throw parts at mine as I do all of my own and have for more that 50 years. how about you?
  15. 9

    Trim Function for Yamaha 90 Four Stroke

    question I have for you is do you even have any customers or any return customers? I know I would not be one if you do not answer the questions asked by the customers
  16. 9

    Trim Function for Yamaha 90 Four Stroke

    apparently you do not even know how a coil is shown on a diagram, or what a relay is and I thought you said you were out, to me that means you are not going to post anymore
  17. 9

    2005 yamaha 250 hpdi Stator or Rectifier

    come on now don't get all wound up over someone elses thoughts on troubleshooting
  18. 9

    Trim Function for Yamaha 90 Four Stroke

    I am glad to read that you are out, someone that cannot tell that one relay contains multiple contacts and 2 coils inside one body that is indicated by the rectangle around it in the diagram should not be going on and on and not answering the OPs question. It is OK to give your opinion, but try...
  19. 9

    2005 yamaha 250 hpdi Stator or Rectifier

    Most people run a start battery separately and a house battery for other things, so they do not drain the start battery down even idling your motor should be putting out more than 12.0 volts at the battery. service manual has testing procedures for testing out put of lighting coil and of the...
  20. 9

    Trim Function for Yamaha 90 Four Stroke

    this from someone that has no idea how many relays his motor has for the T&T. Just give it a rest, you are not helping the OP or anyone else
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