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  1. Replies
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    Did you stuff the crank case? Sounds like it runs...

    Did you stuff the crank case? Sounds like it runs good.
  2. Replies
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    How is it running

    How is it running
  3. Replies
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    Any updates?

    Any updates?
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    Don't waist your time with the port timing. Open...

    Don't waist your time with the port timing. Open up the finger ports as close to the size of the sleeve as you can. Stuff the crank case if you have time. Want to buy a motor rite now mine has a...
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    1995 mercury 100hp 2+2 Carbs?

    How does everyone like them? Was thinking of putting carbs with the idle circuits to replace the ones without them? I know ill have to probably put smaller air bleeds in the throttle plates. Thanks...
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    I spent hours on the finger ports went from less...

    I spent hours on the finger ports went from less than 1/8 to a match on the sleeve. This motor has so much torque have had 5 people and still goes on plane. :D
    As far as port timing how much could...
  7. Replies
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    I would almost sacrifice my life for 3mph. lol ...

    I would almost sacrifice my life for 3mph. lol That's the disease of racing talking.:cool:
  8. Replies
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    Think a 35hp head will lose performance. I put...

    Think a 35hp head will lose performance. I put the 35hp head on mine was afraid it would detonate with the more squeeze. I never touched the timing on mine I am a pussy. lol
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    How much does your boat weigh? Thanks Eric

    How much does your boat weigh? Thanks Eric
  10. Replies
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    Automatic oiling is long gone 40to1 is my oil...

    Automatic oiling is long gone 40to1 is my oil mix. cylinder liners where thick on the engine. It has many hours on it now.
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    I bored the engine to the bigest piston oversize...

    I bored the engine to the bigest piston oversize that a 35hp had think it is .060. Total was .180 over a stock 25hp the head and carbs are from a 35hp also. The carbs just have biger jets,
  12. Replies
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    I plugged the holes up and ported the motor and...

    I plugged the holes up and ported the motor and filled the crank case with marine tex. I made a intake for bigger carbs but have not had the time to put it on. This thing runs like a bear going to...
  13. Replies
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    Anyone else try anything with good results? Mine...

    Anyone else try anything with good results? Mine is on a zodiac yl340 running 37mph needs more prop and the bigger carbs:cool:
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    The head is not the same the chamber is wider at...

    The head is not the same the chamber is wider at the deck i think for piston clearnce. I added larger carbs made a intake on bridgeport and angled the case for a straighter flow. + stuffing crank...
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    35hp johnson rev limiter 3cyl 1998

    Does anyone know where to buy power pack without rev limiter. Thanks Eric
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    Picture

    47649 The hole is .160 diameter it starts at .800 down from deck and the exhaust is 1.6 down from deck. Im not shure why they put the hole there. Compression loss at low speed. Thanks Eric
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    25 to 35hp johnson

    Would like to know if pluging the bleed hole in the cylinder to the exhaust will cause a problem or help the performance. I did some clean up on the ports with a rotary file. I have boysen reeds...
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