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Post by ryan_ott on Dec 29, 2018 22:28:44 GMT -5
Just a thin, smear, coating with your finger on one side will be fine. Just enough to coat the sealing surface will be enough. I prefer threebond but ultra grey/black should also work well.
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Post by benji on Dec 29, 2018 22:29:16 GMT -5
 Its all i use. Great product  this is basically the same thing I think |
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Post by oldgeek on Dec 29, 2018 22:31:54 GMT -5
I use a very thin coat on both sealing surfaces. Applied using a artist type paint brush. I have used a finger to just dab it on very thinly too. Its nothing like silicone at all. Is keeping it out for hour apart is good idea?
Not necessary IMO. And not in the directions for the stuff I use so...no.  |
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Post by katt on Dec 29, 2018 23:36:13 GMT -5
Yeah i'd go for yamabond or honda, but parts dept. in Honda dealership i went to was closed and with holidays it will take me weeks to get either online. I got want to finish it before new year so i will use that RTV i got for now. Worst case i follow up with gas resistant seal on top of crankcase without disassembling it if i get any leaks.
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Post by oldgeek on Dec 30, 2018 0:15:31 GMT -5
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Post by katt on Dec 30, 2018 1:48:25 GMT -5
They don't carry that one locally in any stores. This one seals in 20 minutes took me about that long to apply tiny spread layers to both sides, so got to be really quick if using that one.
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Post by katt on Dec 30, 2018 2:53:42 GMT -5
Okay after i did torque bolts 1h 30m later it started coming off outside the case dry and don't stick to the case at all. Same story inside case tiny layer come off but it was loose.
Guess this is due to having very thin layer of compound that is penetrated by air quicker so it starts to dry rapidly before one hour pass.
I will do it again except this time i will only cover one side of the case then tight it in 30 minutes really tired of messing with this.
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Post by oldgeek on Dec 30, 2018 8:30:07 GMT -5
They don't carry that one locally in any stores. This one seals in 20 minutes took me about that long to apply tiny spread layers to both sides, so got to be really quick if using that one........... The Motoseal 1 is a solvent based product and behaves differently than silicone based sealers. It is extremely tacky and adheres to the cases and itself really well. When you put it on each case half it self levels and skins over like the silicone, but there is still solvent under the skin. Then when you assemble the cases the remaining solvent kinda recombines both sides into one. If you ever get to use some you will understand. It is also messy, even more than silicone IMO. I feel for you man, doing something right is hardly ever easy. EDIT: And with the Motoseal 1, you do not have to worry about time. 20 min is optimal, as much as an hour has still worked for me. |
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Post by benji on Dec 30, 2018 10:06:49 GMT -5
I can't believe how much energy you have. How many times have you had to split the case apart now? You should really just find the right sealant and use it properly. It'll be so much easier on you.
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Post by jackrides on Dec 30, 2018 11:34:20 GMT -5
Silicone does not squeeze as thin as the 'bond' sealers. That can allow play in the bearing to case areas which, over time, can cause nasty failures.
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Post by pitobread on Dec 30, 2018 12:51:56 GMT -5
Fun Fact
Suzuki, Yamaha, Kawasaki and Honda all sell variants of the case sealant from ThreeBond. There are more than a few different formulations though. I have heard rumors that Kawasaki's Pro MX team used to use Yamabond with duct tape over the logo!
However any formulation I think is FAR better than silicone. It is mostly inert to gasoline, unlike silicone which swells and looses adhesion.
I think Suzuki is by far the cheapest and what I currently have a tube of. A tube will last you for a long time. You can also buy it directly from Threebond although there are many discussions on what "formulation" is the best.
I currently use it for everything, it's so much better than silicone. You can get it from fortnine or amazon.
Also as others have said, less is more! That photo of the silicone a few pages back.. Yeesh! 95% of what was applied there would be squished out into the engine or outside. I would have great concern about the oil strainer or passages getting plugged.
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Post by katt on Dec 30, 2018 20:56:03 GMT -5
Did it 3 times well first time was a must, second time was mess up by time, third time hopefully good, i only tiny layer on outer edge of one side of crankcase and then outside the crankcase after i joined it together to seal more. Put engine on the frame now installing components will test run it tomorrow at noon should give enough time for RTV to dry.
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Post by SMALL CC TEK on Jan 2, 2019 1:58:25 GMT -5
 This is what i use : 3M Ultrapro High temp Part # 08672 Awesome stuff been using it for 15 years, you have 5 to 10 minutes be for it starts setting and you can fire up and run in 15 minutes . I get it local but you can get it on Amazon for 8 to 13 bucks a tube |
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