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Join Date: Sep 2009
Location: North of You
Posts: 9,160
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Small Engine Rebuild Advice
I have a crap, utter crap, late 90's Suzuki quad. Totally worn out, it's just a winter project, I spend an hour at lunch most days fixing it.
As I dug into it, I was almost hoping the seized engine would be scrap, then I could part it out and be done with it. Instead, it just needs rings and everything else inside the engine is pristine. Okay, so it's worth the time to fix it. I would normally buy a complete seal kit, new rings, and fix it right. I don't like leaky engines, but it turns out seal kits are rather pricey, and probably more than the machine justifies. Anyone had good luck with no gaskets and just sealant? Maybe 'The Right Stuff'? Honda Bond? Motoseal? It's kind of a hack fix, but if it works, I can live with it. I've done oil pans when there was no time to wait for a gasket, and it seemed to last for years. If sealants are only a short-term solution, then I think I will buy the seals, I don't want to this repair twice. I also don't want so spend hundreds of dollars on a $100 machine. Making my own gaskets isn't really viable, they are complex and finicky where it matters. What's the consensus?
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10-04-2023, 06:10 AM
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Still Doin Time
Join Date: Nov 2004
Location: Nokesville, Va.
Posts: 8,225
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Depends on where / what you're trying to use sealant where gaskets used to be. Please provide more information
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10-04-2023, 06:47 AM
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I am sealing the main side of the crankcase, and probably the transmission side plate.
These for sure: 
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10-04-2023, 07:11 AM
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Still Doin Time
Join Date: Nov 2004
Location: Nokesville, Va.
Posts: 8,225
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Looks like red arrow is pointing to case half gasket. Depending on the thickness, you may induce more preload on crank bearings with sealant ( less clearance). O-rings and other stuff, dunno - risky.
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'15 Dodge - 'Dango R/T Hauls groceries and Kinda Hauls *ss '07 Jeep SRT-8 - Hauls groceries and Hauls *ss Sold '85 Guards Red Targa - Almost finished after 17 years '95 Road King w/117ci - No time to ride, see above '77 Sportster Pro-Street Drag Bike w/93ci - Sold |
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10-04-2023, 07:22 AM
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I've always heard good things about Yamabond. Never used it myself though.
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10-04-2023, 10:25 AM
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I've used Yamabond before, on my 1929 Hudson oil pan. Work fine.
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10-04-2023, 11:11 AM
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I think I should buy the main gasket set...I do not want to rebuild it again just because it leaks.
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10-04-2023, 11:36 AM
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Join Date: Jun 2000
Location: bottom left corner of the world
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Don't want to be annoying... But I'd just get rid of it and buy a Honda Quad. A beautifully well made machine.
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10-04-2023, 12:27 PM
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Quote:
If I 'needed' a quad, I would buy a good one. But I have no need for one, nowhere to drive it, and barely any space to store it. It's just a fix during the winter and sell in the spring project.
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"A machine you build yourself is a vote for a different way of life. There are things you have to earn with your hands." |
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10-04-2023, 02:04 PM
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Join Date: Jul 2003
Location: Valencia Pa.
Posts: 8,860
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E bay ?
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10-04-2023, 05:01 PM
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Quote:
I found one on Amazon with long delivery. I can wait and do it right. I need a week or two to get the stuck rings out of the piston, without destroying the piston. 
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"A machine you build yourself is a vote for a different way of life. There are things you have to earn with your hands." |
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10-05-2023, 05:19 AM
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My former car
