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  1. W

    Spark plugs for 79' Mariner 70hp

    Im currently running Champion QL77JC4 Ive read .003 is the correct gap. I this correct for my engine type? What are you running on a similar 3 cyl? What burns best in these old Mariner's?
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    WOT 70hp MARINER

    at WOT the boat kinda sounds bogged and runs heavy, if I back off about an inch or so the RPMs climb a bit and runs smooth. Why is that? or what might this indicate?
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    6K WOT top speed 30 mph

    as the title reads took the boat out, finally got tac working and read 6K WOT and topped out at 30 mph, I could feel it run out of gear, not to mention let off since I was above my 5500 recommended max RPMs. <<<<<<<<<currently running 4 bladex10.5x11pitch>>>>>>>>>>>> what should I be running...
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    Choke Solenoid not working anymore

    79' Mariner 70 HP outboard> plunger type attached to the side of the dual carbs. When I depress the botton on the throttle control I get 12 volts to the stub on the solenoid. What now? cuz online this stupid little thing is 200+ DOLLARS! For that much I can just take the cowl off everytime and...
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    70 hp Mariner Wiring w/*PIC*

    3 part question 1- the black wire im holding is from the stator wiring harness, I dont know where it goes since my old stator only had 4 wires (the blue and red next to my hand, and the two yellow ones on the rectifier) So where does the short black one go? 2- (reference bottom left of pic) I...
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    powerhead wiring problems w/*PICS*

    you're gonna like this....apparently ive been sitting on a 70hp bomb. after you view these pictures I want help finding these parts online, please. ZOOM in for a closer look at this! This was the first one I found! So I decided to check them all, and sure enough some guy before thought it...
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    79' Mariner 70hp bogging down at full throttle

    1) the most important, is my engine runs good when it wants to. The problem occurs when I leave the no wake zone. I go to full throttle to get up on plane and it will throttle all the way down but wont get on plane since it feels like its only half throttle. 2)my tac dosnt work so I dont know...
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