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  1. Sea Rider

    2 Stroke Oldie Evinrude.-

    Plainly in agreement, missing or screwed up parts which some are NLA will make it impossible to repair even though have managed to freed all the seized internal parts. Just wanted to see how far that oldie could go while having funtime... Happy Boating
  2. Sea Rider

    Nissan NS25C3 2 Stroke 25Hp Tachometer Installation Assistance

    Is it possible to install the sender and recommended tach model on 18/30 HP motors with rope start, will you need to count with a power supply say a small motorcycle battery to power the tach for the needle to read ? Happy Boating
  3. Sea Rider

    4 HP Evinrude Coils

    What's the precise model and year of manufacture ? Happy Boating
  4. Sea Rider

    Thermostat housing hole.

    Thanks, highly appreciated for showing interest. I'm pretty good shooting and posting quality pics but have not yet dabbled in shooting and posting videos online regarding my posts, sorry but such scenario won't happen any time soon... Happy Boating
  5. Sea Rider

    Nissan NS25C3 2 Stroke 25Hp Tachometer Installation Assistance

    Interesting alternator type tach install. Bought many moon back that same sender unit thinking that it was some kind of a digital tach, but no, it's just a solid black case with cables and hardware. Is it possible to install the sender and mentioned tach on a non electric start motor with...
  6. Sea Rider

    Thermostat housing hole.

    Multi Carb Idle Balancer.- Anyone can carb balance 2 strokes motors if knowing how to using any of the usual 3 balancing methods : (1) Installing a mechanical vacuum balancer Carbtune type wherever possible to connect it to achieve a fine spot on individual idle carb adjustment. (2) Measuring...
  7. Sea Rider

    2 Stroke Oldie Evinrude.-

    The motor was heavily whacked right at middle piston and upper connecting rod with a thick wooden peg and a heavy duty hammer, guess what the peg broke and the seized parts didn't budged a hair. The crankshaft, connecting rod and internal crankcase are seen heavily oxidized which it's no bueno...
  8. Sea Rider

    M40D2 water system question

    Impossible for the water pipe to unlock itself where attaches to the lower crankcase. You mean the large orifice located right behind the middle section side of the tell tale (water discharge indicator). The amount of water will vary depending if the thermo opens or closes more specially at...
  9. Sea Rider

    fast inflatable

    A 70 HP will blow not only your mind away, include yourself out of the Rib. Have you tested the combo package previously at wot ? The issue with a 70 HP motor it's darn s too heavy, will need a heavy champ to sit as a bow mask up front to balance and distribute the deck load evenly across the...
  10. Sea Rider

    Tohatsu 25hp vs 30hp? Repower

    Great, is that a tiller or central console boat ? Which brand/model will that tach be ? induction tachs are very easy to work with, just follow the install procedures for a 2 stroke, 2 cylinder motor specially the spark plug firing sequence adjustment. Happy Boating
  11. Sea Rider

    Nissan NS25C3 2 Stroke 25Hp Tachometer Installation Assistance

    The Tohatsu guy who answered the phone would be someone sitting at a desk, a technician representative ? My guess would be that a tach meant to work on a 4 stroke motor will not work/read properly on a 2 stroke one, unless capable to program the stroke setting and number of pulses per...
  12. Sea Rider

    Yamaha 90hp light temperature in tach

    If the impeller it's not doing its homework right the motor will begin to overheat. The motor could also have a faulty thermostat, temp sensor not working right and accounting for experiencing temp related issues... Happy Boating
  13. Sea Rider

    fast inflatable

    What!!!! What's the max HP is the 12 Ft Rib rated for ? Was it rigged at a dealer or by an extreme boater ? Such size Rib with a 70 HP is surely over rated ? Needed Data for the rest of the equation : -How many souls will be on board ? -Current prop diam/pítch, number of blades ? -Motor WOT RPM...
  14. Sea Rider

    2 Stroke Oldie Evinrude.-

    Have revived worse motors than this one which were one step behind being used as anchors and surprisingly still working as of today. During C19 confinements you have to entertain yourself with something you currently work with and what better having fun than with an old challenging motor... Out...
  15. Sea Rider

    Nissan NS25C3 2 Stroke 25Hp Tachometer Installation Assistance

    Assume the pulses are referred to as the number of spark plug firings per crankshaft's revolution ? Does the tach counts with other pulse settings aside the 4 mentioned ? If the firing sequence it's not set correctly the tach will read half of double of the actual reading... Happy Boating
  16. Sea Rider

    2 Stroke Oldie Evinrude.-

    OK, aside from the number seen on post 20 pic 1 there's another one stamped on the side plug : Can you check at your marine dealer if he stocks a Powerhead gasket set : 0383012 for an Evi 2HP 2802R 1978 motor : Tomorrow will hit the piston and the exposed lower connecting rod hard with a...
  17. Sea Rider

    Nissan NS25C3 2 Stroke 25Hp Tachometer Installation Assistance

    Don't know if a 4 stroke tach will read well installed on a 2 stroke motor unless having a switch in which could select 2 or 4 stroke use. BTW those 25-30 HP fires 2 sparks per revolution and will need to adjust the firing sequence too. Paul should know well for sure... Happy Boating
  18. Sea Rider

    Nissan NS25C3 2 Stroke 25Hp Tachometer Installation Assistance

    Welcome to Iboats, Seems you purchased the wrong tach, for a 2 strokes 25 HP calls for a : 3B7725302 dial tach while the sending unit it's correct. An Induction Tach correctly routed from the motor to the dashboard would have been way cheaper and less complicated to install. What's the idea to...
  19. Sea Rider

    Tohatsu 25hp vs 30hp? Repower

    Great idea to keep the old 35 HP motor which it's a 2-3 cylinder one ? to get the max out of it will need to install an induction tach to test both props as currently loaded, a simple water test will only determine that the combo is running under power, not a big deal water test at all. Need to...
  20. Sea Rider

    2 Stroke Oldie Evinrude.-

    Thanks but we've have gone off topic long time ago. It's irrelevant if the motor has been repainted or not. Repainted or not won't make the motor to run which it's the sole purpose of the post. Have checked parts for a 2 stroke 2HP Evi motor ...
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