'13 WR450 Oil Filter Change - Replace the O-Rings?

The 2013 WR450F Users Service Manual (comes with cycle upon purchase) shows 3 ea. O-Rings that are specified as "New" (for replacement) during an oil filter change.

 

You guys do this (replace them)?  Or, just reuse the one's that are already there?

 

Thanks,

Bob

Reuse them.

I bought a set of 4 (to include the larger O-ring as well as the 3 small ones) before I did the first oil change on my 426 ten years ago.  Since then, I've used one or two of them a couple of times as the ones in place show signs of wear, compression, etc.  Then I replace the one I used. 

 

Not even close to every time, just once in a while when it looks like it's called for, and it's nice having them on hand.

OK, thanks for the help calibrating my expectations on the O-Ring life.

 

Got it :)

my 06 WR450 use the stock set o-rings for 7 years, about 30,000KM and then starts leak.  :applause:  

I also agree to have it on hand, but will only change it when leak.  

Never changed one

I had my 2006 YZ450F for 9 years. Never replaced them, never leaked

Never changed mine owned it 4 years

OK, thanks for the help calibrating my expectations on the O-Ring life.

 

Got it :)

+1 on reuse.

 

But I always double (ok maybe triple maybe more, ok ok ok OCD alot :ride: ) check for leaks or seepage on all points including drain bolts and oil pressure bolt.

I re-use.  Although, I did pinch the upper one putting the cover back on.  Sheared it right off.  Fired up the bike and a leak appeared.  Took it off, found the sheared o-ring, and promptly bought several for spares.  It's a bitch to find motorcycle store open on Sunday!

Always good to have an extra set on hand.  I don't recall the exact details, but a friend had told me that once he was not able to re-use the o-ring because it had expanded on him after dis-assembly and would no longer fit in the grooves.  Perhaps he left it off all night, it dried out, etc.?  I have a big o-ring on a leaf canister for my pool and that has expanded pretty good, so I can see it happening. 

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