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  1. pvanv

    2017 Tohatsu 20 hp 4 stroke oil leak

    OK, 20C. What is the oil level on the dipstick? Even a hair above full is an issue. No, gaskets are good on these. Any Mercury mechanic has the same motor as a Merc and can work on it... just not under warranty.
  2. pvanv

    Tohatsu 50hp M50D2 not starting

    If no fuel to carbs, check whether primer is working.
  3. pvanv

    Nissan ns8b help

    At that age, I would do a complete seal kit.
  4. pvanv

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

    OK, looks like you have an MD90b. Model is critical; year is irrelevant. Yes, the wiring and air filter look OK. What are the air and fuel rail pressures?
  5. pvanv

    Tohatsu 90 TLDI problem

    EEsh. This post is almost 15 years old. You should really start a new one.
  6. pvanv

    tohatsu 9.8 corrosion on vertical shaft (new thread)

    The Tohatsu Factory service manual is copyrighted, so finding an electronic copy would be rare. Look at the parts catalog to see how it all goes together.
  7. pvanv

    tohatsu 9.8 corrosion on vertical shaft (new thread)

    The part is about $177 retail, but out of stock in North America. It is serviced as an assembly. I would do as Luis suggests and clean the old one and see how that goes.
  8. pvanv

    Stall at high rpm!

    You may want to verify the exciter and pulsers. Those could work well cold and fail hot.
  9. pvanv

    Stall at high rpm!

    Very possible. A cheap IR thermometer can tell a lot. Could also have an electrical failure only when hot.
  10. pvanv

    tohatsu md 90b

    I take it you have a Tohatsu tach set to the correct number of poles. I also assume you are trying to get to diag mode. What is the exact sequence you are following?
  11. pvanv

    Tohatsu 9.8 HP Revival.-

    Yres, the Carbtune will work. https://www.carbtune.com/
  12. pvanv

    Tohatsu 9.8 HP Revival.-

    Do you mean a carburetor balancing gauge set?
  13. pvanv

    Tohatsu 9.8 HP Revival.-

    Smoke from the base gasket can choke off the motor. With the cowl off, that just wafts away.
  14. pvanv

    Tohatsu 9.8 HP Revival.-

    Good job. If no stat available, could at least install a restrictor plate for faster warmups.
  15. pvanv

    Run Carb Dry or Not.-

    Of course everyone prefers E0 fuel. But one marina here in Buffalo has E10 with ValveTect additive. Have had no issues topping off in the fall and restarting in the spring on 115 hp EFI motors. But on a sailboat, where the fuel sat for 2 years, the fuel in the tank was so bad that it had to be...
  16. pvanv

    Does Tohatsu M40C have speedometer pickup?

    Not that I am aware of. There used to be a speedo sender pitot tube, but that is NLA now.
  17. pvanv

    6 HP Tohatsu 4-Stroke Driveshaft binding

    The driveshaft is attached to the LU. So do you mean the crankshaft is hard to turn? I assume this is on an MFS6C.
  18. pvanv

    starter failure in a Tohatsu 40 hp 4 stroke

    A poor connection can cause low voltage. The starter draws a lot of current (amps). Any starter could fail if the batteries were low and you continued to try cranking. You are in warranty.
  19. pvanv

    Need parts

    Does "don't read anything" mean open or short?
  20. pvanv

    Need parts

    3G2060211M EXCITER COIL-FOR 25C3/30A4 (for 2-wire USE 3G3060211M) $65.28 3G3060211M EXCITER COIL (2-WIRE) $77.50 3G2060220M PULSER COIL $46.50
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