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    F4MSH-0608 crankcase oil drain plug gasket part number?

    Have a 2008 Yamaha 4hp 4 stroke F4MSH-0608 and I can't find the crankcase oil drain plug gasket part number on the IPC. The manual says to replace it when changing the oil. I found 90201-08818-00 "washer, plate" for $5, but that looks wrong, since it shows a double washer (odd) and $5 for a...
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    1957 fleetwin - best oil to use?

    I just acquired a Baltik dinghy and a friend offered to sell me his 1957 evinrude 7.5hp fleetwin to go on it. It needs work (the carburator is in a baggie, in pieces) but the pictures show a nice clean motor. So for $100 I might just take on this project. (New coils, condenser, points, wires...
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    Forum gift ? winterization valve for Bravo drives

    I retired to live on my houseboat and have been asked to help fellow boat owners winterize their boats each year. Like large cruisers, houseboats remain moored year round and typically have Bravo drives or VP sterndrives installed so that the sea water pump impeller can be serviced without...
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    Durabak any good?

    My 1991 houseboat has a fiberglass-on-plywood upperdeck/cabin ceiling that is ready for restoration. I think there are better materials than polyester resin gelcoat for the purpose, that will stand up to the sun, weather, stay waterproof, remain somewhat elastic and provide a slip resistant...
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    Got the dreaded Volvo fuel pump whine. help!

    Re: Got the dreaded Volvo fuel pump whine. help! Here's the pump change procedure.
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    SAE or Metric????

    I've been researching for months in preparation to replace the PDS bearings on my 1991 500B/DP-C drives (PN 872206). I'll have limited time once I get the boat dry, so I'm planning all the tools and parts to have on hand. I'm seeing in various threads that the drives use SAE threads in some...
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    Replace PDS bearings with flywheel cover installed?

    Re: Replace PDS bearings with flywheel cover installed? Excellent info Captmello. Thanks. I read your post a while back and it was Don's comments that made me think removing the F/C from the transom shield was a practical necessity. With you filling in the "how", it makes sense, especially...
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    Replace PDS bearings with flywheel cover installed?

    I?m planning to beach my boat in a couple of months to replace the PDS bearings in the 500B/DP-C Flywheel Covers (F/C). In another thread it was noted that this can be accomplished with the F/C still installed onto the transom shield. I have the old style with the dual bearings. Access to all...
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    u-joint quick question - Sierra 18-6406

    Re: u-joint quick question - Sierra 18-6406 Back to my original question: can anyone put a micrometer or calipers on the journal of one of the "new" Sierra 18-6406 spiders and tell us what the size is? One that looks like this: taking from the Sierra website.
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    u-joint quick question - Sierra 18-6406

    Re: u-joint quick question - Sierra 18-6406 Guess I’m just being overly cautious. Grew up on a lake in the 60’s when the first sterndrives appeared. Cool newfangled things until the first failures began to happen, mostly because the new owners were not doing the annual maintenance of pulling...
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    u-joint quick question - Sierra 18-6406

    If anyone has one of the new Sierra u-joints available, can you answer 2 questions? First, does it have a zerk? Second, if you remove the cap with the needles, what does the journal mic out to, 0.701" or 0.717" and is it hollow or solid. Ok, I guess that's 3 questions... never could...
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    Where ot Buy Universal Joints

    Re: Where ot Buy Universal Joints Watch out for counterfeit Chinese ujoints being made to look like OEM or sold under OEM numbers. Here's one from Sealtech (EMP) that's being sold as equivalent to 3860232, under PN 94-94100: And here's a counterfeit Sierra unit being sold on the bay, as a...
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    Where ot Buy Universal Joints

    Re: Where ot Buy Universal Joints From my research, it appears that GKN is no longer making the 2015 forgings from which the VP 3860232 and Merc 865493A01 are made. Merc lists their joints as obsolete and VP has superceeded the spider with the whole ujoint shaft assy. Even Sierra has changed...
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    DP-C drive u-joint change possible with fork in box?

    Re: DP-C drive u-joint change possible with fork in box? Here's pictures of the boxes, courtesy of the folks at landroverexpedition.com. The one on the left is a standard 16mm journal made by GKN Lobro as PN U110, aka TVC100010. The one on the right is a TVC100010G made by GKN in Germany.
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    DP-C drive u-joint change possible with fork in box?

    Re: DP-C drive u-joint change possible with fork in box? Here's the rest of the "New Style" pictures. The std spider is again on the left and the HD is on the right. The Mercruiser Bravo spider 865493A01 is (or was) made from the same 2015 forging as the VP spider, but in GKNs Unicardan...
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    DP-C drive u-joint change possible with fork in box?

    Re: DP-C drive u-joint change possible with fork in box? No. I’m just anticipating that my spiders will need replacement since the last mechanic to work on this boat 5 years ago didn’t do it, and the bellows were leaking. And I don’t want any issues later since hauling out this boat is a BFD...
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    DP-C drive u-joint change possible with fork in box?

    Re: DP-C drive u-joint change possible with fork in box? Thanks. That's how I did it on my Alpha drive years ago, but was planning to use a press (like a big "C" clamp) on the caps for the yoke going into the upper gear housing, to prevent any chance of brinnelling the bearing from the shock...
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    DP-C drive u-joint change possible with fork in box?

    I have twin 500B?s driving DP-C drives (PN 872206) that need the PDS bearings replaced (noisy). Since I have to pull the drives to remove the engines, I thought I might replace the u-joints while I?m at it although they aren?t making any noise. The boat is a 75? houseboat from 1991 with about...
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    PDS bearing grease DP-C

    I have a 1991 VP 500B S/N 4100130727 with a DP-C drive S/N 3102121005 (starboard) and want to properly grease the PDS bearings. The drives were serviced 3 years ago in a boatyard when I bought the boat, but the PDS bearings were not greased from the evidence of the paint and dust on the grease...
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    Primary shaft bearing RR while afloat?

    I have a 1991 500B S/N 4100130727 with a DP-C drive S/N 3102121005 installed in a 75? houseboat permanently moored on the water. The primary shaft bearings in the flywheel housing are howling at me and I?m going to have to replace them. Can this be done with the boat still in the water? I...
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