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  1. pvanv

    Engine Temperature and Starting

    There is a low-pressure fuel system that feeds fuel to the separator, which has a float like a carburetor. Inside the separator is the high pressure fuel feed pump, which pressurizes the fuel rail. In addition, there is the low-pressure filter, the high pressure filter, and the fuel cooler, as...
  2. pvanv

    2002 Nissan 6hp long shaft bushing stop

    The bushing is pressed (a little) into a casting... the whole thing is called the bushing assembly. That is retained by the stainless stopper plate and that is all held in the housing with 2 stainless screws. No, I'm not at Obersheimer's any more.
  3. pvanv

    2001 50hp Tohatsu power tilt

    The lower TT cylinder pin is threaded on each end, and has a sleeve tube (called a collar in the parts catalog) over it between the clamp frames. Depending on the corrosion, you can remove one of the nuts, and with a proper drift pin, drive the shaft out.
  4. pvanv

    Tohatsu M50D 50hp tilt trim pump

    Manual tilt:
  5. pvanv

    Tohatsu M50D 50hp tilt trim pump

    Newer TT unit:
  6. pvanv

    Tohatsu M50D 50hp tilt trim pump

    Early TT unit:
  7. pvanv

    Starting Issue with 30 HP 2 stroke Nissan outboard

    The green wire is the solenoid trigger from the key switch. It should have 12v when the switch is turned to start position. If that is not the case, the problem is likely with the wiring between the motor and switch, or a bad switch. Standard boat power troubleshooting -- not specific to any...
  8. pvanv

    Shifting problem with a Tohatsu M8B 8hp Long Shaft

    Yes, you are right. A part is missing. Item 17. 3B2642220M SPRING HOLDER $2.25
  9. pvanv

    Low Compression on 4hp. What am I missing?

    In order to access the reedd on that model, you must separate the block:
  10. pvanv

    Torque for 4 B cylinder head (Please)

    Tighten as you would a 5-lug wheel; skip across one bolt as you go, in a "star" pattern. Torque up in at least 2 sets (half torque first, etc.). Here is the torque chart:
  11. pvanv

    tohatsu 30 hp efi 4 stroke

    There is an aluminum casting bowl that houses the electric fuel feed pump. It has a small brass drain screw. That should be drained any time the boat will be laid up for a month or so. That is the vapor separator. Item 1 in the diagram. There is also the high pressure fuel filter, item 34 in the...
  12. pvanv

    2001 nissan 15 hp 4 stroke

    Year is unimportant; Model/serial is everything. You probably have an NSF15B or B2. Best to buy a Factory service manual from your dealer (not an aftermarket manual). Here is the page from the parts catalog that shows how the carb goes together. Yes, the emulsion tube nozzle just slides in/out...
  13. pvanv

    Tiller handle

    Yes.
  14. pvanv

    tohatsu mfs6c gear case and oil issues

    Forget the aftermarket manuals; get a Factory service manual: Covers 4hp, 5hp & 6hp "B" and "C" 4-stroke models Part #: 003-21034-2 List Price (MSRP): $41.67
  15. pvanv

    Tohatsu Sailpro 6 - this CAN'T be normal, right??

    Depending on the lube used, the grease may have softened the rubber bushings. It won't hurt anything. Those bushings help dampan the 1-cylinder vibrations so they don't shake the transom as much. You can get new bushings, but they probably aren't a lot stiffer. Also, if you want the motor locked...
  16. pvanv

    Tohatsu Sailpro 6 - this CAN'T be normal, right??

    The usual cause of that kind of issue is either over-lubrication with way too much grease, or grossly over-tightening of the friction band, or both. On sail applications, consumers sometimes try to use the friction band as a steering lock, and damage the mechanism. Tohatsu actually makes an...
  17. pvanv

    Tohatsu MFS 4A external fuel does not go in

    It depends on which way the fuel **** is set. The check valve (27 in the diagram) is supposed to allow external tank fuel to enter the system. The fuel **** is there to shut off the internal tank. If the **** is set to allow the internal tank to flow, and you pump the primer on the external...
  18. pvanv

    2008 hp won't start with button

    Here are the electric parts:
  19. pvanv

    Nissan Outboard motor

    Your model number makes no sense. But... those size Tohatsu/Nissan motors have a grommet there to access the shift linkage. It will be loud with that missing. 369610160M GROMMET $3.15
  20. pvanv

    2005 Tohatsu 30hp gear housing stuck

    Shouldn't matter whether it is in gear or not.
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