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  1. pvanv

    How to test warning horn in Tohatsu remote control

    Yes, it's 12v. Check the nice color schematics in the Factory service manual.
  2. pvanv

    Tohatsu ECU replacement

    RC boxes have the beeper in the RC box. Are your wires not connected?
  3. pvanv

    Tohatsu ECU replacement

    Apparently your old ECU had a catastrophic failure.
  4. pvanv

    M40D2 water system question

    You should have the stat installed. Use an IR thermometer to check temps.
  5. pvanv

    timing adjustment Nissan 25hp NS25C3

    Right. That info is in the copyrighted service manual. The timing indicator is where the two castings come together. Yes, you need to check at WOT and have the carb fully opened. Adjust so that the timing shows 25 at that split.
  6. pvanv

    tohatsu m40d water pipe issue

    Those go all the way to the top.
  7. pvanv

    2018 20 hp EFI Tahatsu seal?

    Mercury washers are identical, since the merc is actually a Tohatsu. Late Johnson/Evinrude may work, but are probably nylon.
  8. pvanv

    M40D2 water system question

    The original kit is still available. 3C8873223M WATER PUMP REPAIR KIT $66.43 Available But the upper housing requires the newer parts: 3T5650160M UPPER PUMP CASE $30.68 /*MUST USE WITH 3T5873223M W/P KIT OR 3T5 PARTS*/
  9. pvanv

    Nissan NS25C3 2 Stroke 25Hp Tachometer Installation Assistance

    Yes, you will need power to the tachometer.
  10. pvanv

    Nissan NS25C3 2 Stroke 25Hp Tachometer Installation Assistance

    Yes. Sure is. If you don't have a pulser, but only an exciter, that will work fine.
  11. pvanv

    Nissan NS25C3 2 Stroke 25Hp Tachometer Installation Assistance

    Easy as they come. I have done them. Fun to breathe new life and accessories into vintage motors. I believe the "sender" adjusts the pulse width to work with the modern setups, since there is no longer the pulser, exciter, and alternator. The C3 only has the exciter.
  12. pvanv

    Nissan NS25C3 2 Stroke 25Hp Tachometer Installation Assistance

    Correct, but on "alternator-type" tachometers, the question is number of alternator pulses per revolution. Both 2- and 4-strokes of this size use "wasted spark" on exhaust, so a 4-stroke uses the same tach setup as a 2 stroke.
  13. pvanv

    Does the new (2015) Tohatsu 30hp 4Str use same parts as 2014 model?

    Indeed. The B was a great unit. The C is, as I said, only minor emissions (remapping of the CD) and cowling changes. Otherwise, all hard parts are identical. Actually, even the carbed A version is virtually the same, obviously aside from the fact that it was carbed.
  14. pvanv

    Nissan 2-stroke 25HP converted to 30HP timing

    Diameter on these is of little influence. Pitch is the biggie. Solas props are king on these; stainless, while slipping less, usually requires less pitch, costs a fortune, and really doesn't pay. This post is half a decade old, so you should really have started a new one...
  15. pvanv

    Nissan NS25C3 2 Stroke 25Hp Tachometer Installation Assistance

    You need the sender. Here is the tech bulletin:
  16. pvanv

    2004 TLDI MD90, unable to pull any codes/engine hours and no beep when turning key, cranks up fine

    check your regulators...
  17. pvanv

    Tohatsu ECU replacement

    Well, it's over 10 grand for a new 90 hp motor...
  18. pvanv

    Tohatsu ECU replacement

    You need the OEM ECU.
  19. pvanv

    electric start motor for Tohatsu 8, 9.8 hp 4 stroke

    3AA060910M FLYWHEEL CUP $280.75 3V1760111M BRACKET,STARTER MOTOR $29.50 3AA760100M STARTER MOTOR (S106-12B) $432.22 3H8760400M STARTER SOLENOID $67.92 3AC761200M BATTERY CABLE L=2500 $65.75 3AA760260M MAIN SWITCH $14.02
  20. pvanv

    Converting 18 hp Nissan to electric start

    That's pretty much it. A bit expensive for new parts.
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