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  1. M

    manual jack plates?

    looking to pick one up, and im having a hard time deciding which one. TH Marine makes some nice heavy duty looking set ups, and bob's too. i only have a 70hp motor so im thinking the lighter the better. i just dont want to get junk either. any advice?
  2. M

    WOT rpm recommendation 70hp

    i have a 2006 70hp 3 cyl carb 2 stroke. i know that the wot range is 5000-6000 rpms. generally you shoot for the top of that range i know. a lot of motors will reliably rev higher than the manufacturers recommended range. i want as much speed as possible out of the motor and im wondering if...
  3. M

    fuel pressure gauges?

    wondering if any of you guys might have some advice on a good fuel pressure gauge set to buy for testing various outboards? for instance, seeing the high side pressure on a yamaha 4 stk while its running. i know there are choices out there, just asking if anyone has any recomendations :confused:
  4. M

    prop shape ?

    i have a 2006 2stk 70 yamaha with its OEM aluminum 13 1/4" x 17 prop. I also have another prop for the boat that i have not tried yet, its a Solas stainless steel prop, also a 13 1/4" x 17. Solas prop is the same size but has a different shape to the blades. They are more rounded overall...
  5. M

    running with no airbox?

    i was working on my 30 yamaha last weekend and got it up and running perfectly. i decided to try running it with no air box in front of the carbs just to see what happened. it was a slightly lean at idle so i adjusted the mix screw a hair. the sucker ran like a bat out of hell. noticeably...
  6. M

    30hp Yamaha fuel problems??

    i have a 97 yamaha 30mshv thats been giving me problems. i am no dummy to working on outboards but i just cant figure this one out. it seems to not be able to maintain fuel pressure. i have to keep pumping the primer ball in order to make it run right. when idling it will slowly get lean...
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