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Trying to replace gasket between powerhead and shaft housing
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<blockquote data-quote="JMichael" data-source="post: 407417" data-attributes="member: 7544"><p>I'm pretty sure the gasket where the powerhead couples to the driveshaft housing is blown on my 84 Mariner 25hp. I don't have a service manual for this motor but in looking at the parts schematics, it appears there are only 6 bolts that hold the powerhead on. I've disconnected the throttle cables, shift linkage, all 6 bolts. There are still some wires connected and the rubber fuel line but those are not the problem. I can't get the powerhead to budge and I can't figure out why unless it's glued together with gasket maker/sealer. I'm afraid to put any more pressure on it for fear of breaking something. Anyone got any suggestions on what to do to get them separated without breaking it? Wish I had a service manual so I could be sure there's no more bolts that need to be removed.</p><p></p><p>Parts schematics. https://www.marineengine.com/parts/mariner-outboard-parts/25c-thru-prop-exhaust/695250101-thru-253861</p></blockquote><p></p>
[QUOTE="JMichael, post: 407417, member: 7544"] I'm pretty sure the gasket where the powerhead couples to the driveshaft housing is blown on my 84 Mariner 25hp. I don't have a service manual for this motor but in looking at the parts schematics, it appears there are only 6 bolts that hold the powerhead on. I've disconnected the throttle cables, shift linkage, all 6 bolts. There are still some wires connected and the rubber fuel line but those are not the problem. I can't get the powerhead to budge and I can't figure out why unless it's glued together with gasket maker/sealer. I'm afraid to put any more pressure on it for fear of breaking something. Anyone got any suggestions on what to do to get them separated without breaking it? Wish I had a service manual so I could be sure there's no more bolts that need to be removed. Parts schematics. https://www.marineengine.com/parts/mariner-outboard-parts/25c-thru-prop-exhaust/695250101-thru-253861 [/QUOTE]
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Trying to replace gasket between powerhead and shaft housing
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