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How do you guys clean behind your flywheel cover?

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Went riding last weekend and it was really really wet. Like 1 foot deep puddles and everything up in Belfair, WA. Came home and while unloading my bike I noticed muddy water dripping out of behind my flywheel cover. I was like oh ok my gasket must be toast from me re using it 4 times. It's not bad behind there just annoyed stuff got in there. It's like dried muddy water in there. I was just gonna use compressed air. Is this safe?

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This happens on my bike as well.  I've always just pulled the cover and used parts cleaner.  I've also had the flywheel start to develop some rust so I pull that, clean it using wd-40 and a brillo pad, then spray it down with parts cleaner.

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Ok so it is safe to spray parts cleaner and wd-40 in there? I was gonna douse the thing with wd40 and then let it sit for 20 min then rinse. Won't hurt anything?

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The stock plastic cover, it will warp and water gets in. Buy a Boyesen cover which is aluminum...

Thanks. Any input about safety of using h2o & wd40 to cleanse in there? Obviously use low pressure h2o.

2003 YZ250 W/07' 450F SSS suspension. Wossner top end. Stock everything else on eng. #8 slide. PC plat. 2 pipe & R304 shorty=mx. Stock exh.=woods. VFORCE3 complete. 4 stroke front fend. & # plate. WC elite perch. Renthal 7/8 tall CR bars. Much more....

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Thanks. Any input about safety of using h2o & wd40 to cleanse in there? Obviously use low pressure h2o.

2003 YZ250 W/07' 450F SSS suspension. Wossner top end. Stock everything else on eng. #8 slide. PC plat. 2 pipe & R304 shorty=mx. Stock exh.=woods. VFORCE3 complete. 4 stroke front fend. & # plate. WC elite perch. Renthal 7/8 tall CR bars. Much more....

Like someone already stated, I also use brake clean...

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Ok got it. Sorry Ive OCD about my bike

2003 YZ250 W/07' 450F SSS suspension. Wossner top end. Stock everything else on eng. #8 slide. PC plat. 2 pipe & R304 shorty=mx. Stock exh.=woods. VFORCE3 complete. 4 stroke front fend. & # plate. WC elite perch. Renthal 7/8 tall CR bars. Much more....

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I would recommend trying to use a contact cleaner that says it won't attack rubber or plastic.  Remember that you have a crank seal under there and the stator windings are a varnish coated  wire.  Brake cleaner can sometimes damage rubber and plastic...

 

Something like this:  http://www.wd40specialist.com/products/contact-cleaner/

 

product-electrical-contact.png

Edited by mylesc

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just wd 40, blast it out with air, wd40, blast it out again wipe off any excess all done.

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just wd 40, blast it out with air, wd40, blast it out again wipe off any excess all done.

That's what I did

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