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    Volvo Penta Outdrive SX-A - Stripped threads on oil fill/overflow hole - proper way to repair?

    Trying to help a buddy who has a stripped oil fill/overflow hole on his Volvo Penta outdrive. With the high cost of a Volvo Penta outdrive failure, we would prefer to do this the most proper way possible. Is the correct way to remove the housing and take it in to get a proper helicoil or...
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    7.4 L Volvo Penta turned into a milkshake - what to tell the mechanic

    Have a buddy with a 7.4 L Volvo Penta (GEN6 GM Marine block. 7.4 liter, 454ci) that made a major oil/water milkshake on the way back to the slip last week. The breather hoses that route back into the flame arrester puked the milkshake over the top of the block. The water was never just...
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    Converted I/O to hydraulic steering - kicker motor next?

    5.7 Mercruiser with an Alpha 1 drive. Hooked into a 9.9 Yamaha high thrust (with power tilt and electric start) that is on a fixed motor bracket. I've always had issues with being able to steer with just the kicker and have made adjustments over the years. I even went as far as disconnecting...
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    Need a quick opinion on glassing over old thru hull

    Trojan boat with an inner liner and 1" thick hull. Removed a super old depth sounder that had a wood fairing block on the outside to make it level. The thru hull is 2". Owner wants to replace it with a 3/4" thru hull for a washdown. The hull is all glass/composite. I am going to cut back the...
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    Are these gelcoat blisters? Need general advice on repair.

    This year is my first time on jack stands since I've owned the boat for 10 years. The boat is slipped in Lake Michigan 7 months of the year. I pressure washed and then sanded all of the years and years of old bottom paint off. There are some areas where the gelcoat is nicked up so I started...
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    1989 Mercruiser 5.7 slight overheating at lower RPMs

    Raw water cooled. Fresh water only. Alpha 1 Gen 1 drive. Drive is a newer OEM merc with 2 years on it. Motor is 1989 5.7 - unsure on serial number. Use the boat for trolling on Lake Michigan. Was out in fairly rough water last Sunday and trolled on the main. Looked down and the temp...
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    Need some recommendations for gelcoat chip repair

    Have a 89 Cobia 265 FC. Its setup as a great lakes fishing boat so it doesnt have to be 100% perfect, but I'd like to start tackling some gelcoat repairs. I've done everything from regular maintenance to complete stringer replacements, but gelcoat has me a little stumped. Would like to start...
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    Boat switch panel and mystery button

    The boat is a 1989 Cobia 265fc. On the switch panel with the ignition, blower, and horn there is a mystery button that Im not sure what it does. The button isnt fused and seems to have a constant 12v to it. I have to take some of the boat apart in order to trace the wires going to it, but...
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    1989 5.7 350 Mercruiser ignition replacement help - possible upgrade to DUI unit

    I have a 1989 Mercruiser 5.7 and the Thunderbolt IV ignition has left me dead in the water 3 times now (good thing I have a kicker). 1 time was a coil, one time with rotor busting, and one time with the timing advance module flaking out (actually more than once with this one). Starting to have...
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    Throttle handle removal from older Quicksilver throttle binnacle

    Any ideas on how to remove this handle? I already removed the neutral button but I dont see how to remove the actual handle itself. Any suggestions?
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    Want to make underwater removable hardware - West Epoxy with 404?

    I did a stringer rebuild and ended up having a leak that went into a compartment that was not accessible. I put a access cover on it now, but I want to make sure the leak never comes back. The leak was coming from a screw mount on the trim tab plate. It had 4200 on the screw, but after a...
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    Looking for a replacement throttle box

    The top black part cracked and its now tends to spin when shifting. I looked and cant find a replacement. Anyone know a part number I should be looking for? Its hooked up to a Mercruiser 5.7 I/O with a Alpha One.
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    Mercruiser outdrive blew up with 6 hours on a reseal - what do do

    Mercruiser Alpha One - Gen One (1.47 ratio hooked to a 5.7L) Had a bad yoke seal and was allowing gear oil into the bellows. Had all of the seals in the entire unit replaced and the yoke replaced. All work was done by a shop in spring for $1200. With less than 6 hours on the reseal, the drive...
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    Mercruiser 5.7 Alpha One 1.47 not shifting at all

    Was powering out to go fish and suddenly lost momentum and the RPMs spiked. Turned it off immediately thinking I spun the prop. Started it back up and had no fwd or reverse at any RPM. At the time I was thinking with a spun prop I could at least get it to grab at a lower RPM. So we ended up...
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    Need some help with getting the wood out of an engine mount and stringer

    I took all of the old wood out under the bunks in the bilge but cutting the entire bunk out. However, when it came to getting the stringer and mount under the engine out, I'm having some issues. The bottom was soft on the stringer so I was able to get it out fairly easily. However, the mount...
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    Bilge stringers and decking - material check and advice needed

    The decking in the bilge was getting a little soft so I decided to make it my spring project to cut it out and inspect. The stringers have some bad spots but they arent completely shot. There was no water under the decking but the glass work was pretty shotty from the original manufacturer...
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    Blue Seas Add-A-Battery Kit - 120A 7650 - need a wiring diagram I/O and kicker

    I'm finally getting around to installing my Blue Seas add a battery kit with ACR. Model 7650. Been looking at various diagrams and cant figure out how to adapt it to my setup. 5.7 Mercruiser I/O 9.9 Yamaha Kicker with alternator 2 Cabela's Advanced Anglers AGM Battery – Size 30 Dual battery...
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    89 Mercruiser 350 died under power and wont restart

    I have a 89 Mercruiser 350 I/O that suddenly died while under power tonight. Was cruising at about 12 mph and all of the gauges were reading normal. All of a sudden the motor just shut off. Couldnt get it restarted and noticed that the oil pressure gauge wasnt moving like it normally does...
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    Need some advice and part numbers for a new thru hull washdown

    I've searched but cant find the information I need. I fish on the great lakes and getting tired of reaching over the side for buckets of water to wash down the deck after each fish (also dangerous). I purchased a Jabsco 32605-0092 ParMax 4.0 GPM Washdown Pump - 12VDC 60 PSI. Do I just go with...
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    Strange low voltage on shore power

    I have a 50 foot 30 amp power cord and receptacle. I started having intermittent issues with getting a reverse polarity warning and low voltage on my boat. It slowly got worse over the last 2 weeks. It went from getting a reverse polarity light if I turned on anymore more than a small...
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