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Old 06-10-2010, 08:09 PM   #1
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Default is there a way to keep your front engine bearing clean?

What do you suggest i do to keep the front bearing clean? Took my flywheel off and it was full of crap. And if the front bearing is seeping even just a little oil, it works it's way into the bearing and then it's no good. I am replacing front bearings way to often. Is there a way to keep it clean behind the flywheel?

To be fair i used a larger collet this time that pulled the flywheel off a little further. But it still does it with my mugen one. Should i not put the washer behind the collet?
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Old 06-10-2010, 08:13 PM   #2
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Dirt on the outside of the bearing wont hurt anything unless you spray it with a cleaner. The cleaner will take the dirt from the outside and let it get inside. Just wipe the bearing off with a dry towel occasionally.
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Old 06-10-2010, 08:19 PM   #3
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Dirt on the outside of the bearing wont hurt anything unless you spray it with a cleaner. The cleaner will take the dirt from the outside and let it get inside. Just wipe the bearing off with a dry towel occasionally.
you get one guess on what i did before i posted this thread. But you only get one guess....


i will give you a hint


$*&T! I knew what i was doing was wrong. But it was to gritty anyway, and left a small pudle of oil under the front of my engine. That stupid red clay dirt gets in everything.
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Last edited by dreaux; 06-10-2010 at 08:32 PM.
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Old 06-10-2010, 08:56 PM   #4
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Ya, just don't run the engine like that. Tear it down, take the front/rear bearings out. Flush everything under water then WD40. Water is cheaper and is a good cleaner, just don't leave water on anything for even a couple minutes. You may need to pop off the front bearing seal to get everything out.
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Old 06-10-2010, 09:38 PM   #5
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What do you suggest i do to keep the front bearing clean? Took my flywheel off and it was full of crap.
Rb Engine Protect designed for this:
http://www.redrc.net/2010/02/rb-engine-protect-system/
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Old 06-10-2010, 11:13 PM   #6
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Rb Engine Protect designed for this:
http://www.redrc.net/2010/02/rb-engine-protect-system/
Novarossi makes something similar. Check out the Novarossi homepage for more info.
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Old 06-10-2010, 11:23 PM   #7
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Old 06-11-2010, 04:29 AM   #8
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Ya, just don't run the engine like that. Tear it down, take the front/rear bearings out. Flush everything under water then WD40. Water is cheaper and is a good cleaner, just don't leave water on anything for even a couple minutes. You may need to pop off the front bearing seal to get everything out.
Ok, stupid question here.

the bearing will still be good if i pop off the seal? I also have a brand new front bearing in another engine that has about 2 tanks on it. It wouldn't hurt the bearing if i took it out and put it in the engine with the bad bearing? I have done it before, but sometimes i think transplanting the bearing is not good for it, and maybe it won't seat right? Am i wrong? Or am i just being paranoid

i always thought taking off the seal on engine bearings was bad for it.
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Old 06-11-2010, 08:24 AM   #9
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Ok, stupid question here.

the bearing will still be good if i pop off the seal? I also have a brand new front bearing in another engine that has about 2 tanks on it. It wouldn't hurt the bearing if i took it out and put it in the engine with the bad bearing? I have done it before, but sometimes i think transplanting the bearing is not good for it, and maybe it won't seat right? Am i wrong? Or am i just being paranoid

i always thought taking off the seal on engine bearings was bad for it.

I swap bearings all the time, new or used. As long as the used one you are putting in is still good.

Removing the seal isn't a bad thing. Just take your time taking it out and it will be fine.
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Old 06-11-2010, 08:27 AM   #10
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Engine bearings do wear out. If it's leaking more than just a little then replace it. I find that I usually go through front earings every 4-5 gallons. Just replace them.
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