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  1. C

    In-Line Fuel Filter Question

    Hey All, I'm working on an '87 Mariner 45hp (4 cyl) and have a question re: my in-line fuel filter. I've got an OEM filter and I typically remove my fuel line after use via quick disconnect from my tanks (just for safety purposes). Is it normal for the fuel filter to lose all the fuel in it...
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    Where to Find Replacement Carb Seat?

    Hey fellas, I've got a Walbro WMA 6-3 carb (part# 6517A64) with a seat that has nicks and won't seal. I've tried everything with it disassembled, but it just won't shut off the fuel no matter what. The seat is pressed in from the factory and I'm needing yall's help in locating one. Do they (or...
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    Mariner 45 Slowly Loses RPM/Surging

    Hey Everyone! My'87 Mariner 2-stroke 4cyl (model# OB113850) runs idles fantastic ang great on startup, but after about 5 minutes at WOT the rpm's slowly drop and it begins surging causing the motor to shake. If I let off the throttle slightly it will smooth out and stop surging. It will keep...
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    '87 Mariner Speed Question/Help

    Hey Everyone! I've got an '87 Mariner 45hp 2-stroke sitting on a 20 foot 1990 Riviera Cruiser pontoon with an 11.1x13 prop. This is the motor that came with it when I purchased this past summer. Going at WOT on the lake with one other buddy on board, we reached an average speed of 14mph using a...
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    '87 Mariner 45hp Loss of power past 1/2 throttle.....completely stumped

    Hey everyone, I've got an '87 Mariner 45hp 2-stroke 4cyl (2 carb) that has no power past 1/2 throttle. She'll crank super easy, idles great, runs great from 1/2 throttle and below. When you try to go any faster she hits a wall and just stays there. If you back off to 1/2 throttle it...
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