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Valve Covers


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#1 crewdog506

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Posted 26 January 2011 - 10:40 AM

So...has anyone had any actual experience with an XMR valve cover and a standard cover from lets say 08? Mine are leaking badly and I'm going to order gaskets, just wondering if the valve cover on the XMR was updated as many of us have heard. I'm going to order new either way (due to them warping), just wondering if this is something worth doing and if they are actually stiffer.

For those wondering...I've looked up an 08 800 XT, 420610390 is the part number
A 2011 Outlander XXC...420610390, so it wasn't upgraded

a 2011 XMR...420610395.

Some of the parts sites don't have the XMR part number in their inventory. I have an email out to the location I get parts from to get prices.

#2 wheelerwilly

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Posted 26 January 2011 - 05:31 PM

if there is a difference i dont think you can tell by looking. at least i couldnt. is there a price diff??

OK, no. #s are different but price is the same- $13.50 USD.

same gasket listed for both '08 & '011 X MR. 420630260. $12.40 USD.

:TgC_emoticon142:

Edited by wheelerwilly, 26 January 2011 - 05:45 PM.

'011 X MR
slightly modded, haha

#3 Wolv

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Posted 26 January 2011 - 06:56 PM

I'm in the same boat... took my belly skid off to mount the plow mount and thought I had a leak between the engine and gearbox.... luckily, I had the side covers off a week later and noticed from the rear valve cover down is totally drenched...

seem to recall MrRPM saying the XMR covers were beefier...

#4 St8 E

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Posted 26 January 2011 - 09:48 PM

Crew,

Not sure if you remember this, but it's a pretty good read as far as valve cover's go. MRRPM was going to make these billet cover's, but apparently the updated "2011" covers are "beefier"...although I have no idea...i still have the crappy 09 ones and I am sure they are probably leaking...I am going to check tomorrow!

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#5 crewdog506

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Posted 26 January 2011 - 11:11 PM

I remember reading that...but no one has any real experience with comparing them. That's what I am looking for. Will they bolt in place with the standard bolts from my 08. The gasket is the same, just wondering if the bolts/washers/o-ring seals for the bolts are and are they actually stiffer, or is this BRPs way of getting everyone to buy new, with the part actually still being the same.

#6 Wolffmann34

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Posted 27 January 2011 - 09:17 AM

I remember reading that...but no one has any real experience with comparing them. That's what I am looking for. Will they bolt in place with the standard bolts from my 08. The gasket is the same, just wondering if the bolts/washers/o-ring seals for the bolts are and are they actually stiffer, or is this BRPs way of getting everyone to buy new, with the part actually still being the same.


Just looking, the only part that looks to be a different number in that area, including the heads seems to be the cover. So I would assume they should fit.

You should try them and find out for all of us!

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#7 mrrpm

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Posted 27 January 2011 - 10:16 AM

The deal is is that ALL the new ones are the stiffer material. Just like the clutch backing plate they stiffened up a while back. The valve covers look exactly the same, but are waaay stiffer, and don't warp as bad. All those old part numbers are superceded to the new one, so you can't order the old ones anymore.

Another note, some valve covers hit the casting on the head, causing them to warp, since the cover is hitting before the face of the cover hits the face of the head. Castings vary & cause this. If your casting is hitting the cover, stiffer material won't help, but a little grinding will fix it right away.

The test is to lay the cover on the head without a gasket, see if it sits flat, if it does, you're good. If not, grind or file until the cover lays flat, then install. The problem is usually at the spark plug end, up above the back of the cam. Putting some clay on the cover will reveal where to grind or file.

#8 crewdog506

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Posted 27 January 2011 - 10:31 AM

Is it worth buying the new ones or just fitting mine to the heads once I get a new set of gaskets??? I got a price quote from a place I get parts from for $10 and some change for a new valve cover and $9 and some change for a new gasket.

#9 mrrpm

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Posted 27 January 2011 - 11:13 AM

Yes, buy the gaskets & covers, worth it, even if yours fit the heads. I don't even replace the gaskets, just the covers, you can't even tell the gaskets from new.

#10 crewdog506

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Posted 27 January 2011 - 01:22 PM

With that being said, coming from someone that has compared the two in person, I'll be ordering new gaskets and the new part number for the covers next pay...just to let everyone know, the part numbers are as follows...

2011 XMR valve cover...420610395
valve cover gaskets...420630260...all years, same part number

All other valve cover part numbers are...420610390...BRPs site show them in limited availability so as RPM said, this number will eventually be superceded by the XMR part number. Wonder why they only list 420610395 on the XMR if all of the 2011s have the new updated on. Wonder if they had a huge supply of the old ones and are using them up, but putting the new one on the XMR figuring people are going to use them like submarines.

#11 Wolffmann34

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Posted 27 January 2011 - 02:29 PM

I believe the XMR is the first machine to have the new ones, so if you have an 11' like mine which was manufactured before the first XMR came off the line, I'm guessing you have the old style.

I've not had one off of my Xxc and my 08' XT at the same time to compare.

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#12 mrrpm

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Posted 27 January 2011 - 03:37 PM

The Commander has the same valve cover part number.

#13 crewdog506

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Posted 27 January 2011 - 10:16 PM

Didn't even think to look at the commander. Either way, I'll be making an order, when I get them, I'll take some pics and give a run down.

#14 tankgtown65

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Posted 04 March 2011 - 04:01 PM

Didn't even think to look at the commander. Either way, I'll be making an order, when I get them, I'll take some pics and give a run down.


Any update? I have the same leaking problem and want to order the new covers.

#15 johnh890

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Posted 04 March 2011 - 06:46 PM

Changed mine last weekend. Perfect fit, no leaks. :beerchug1:

#16 crewdog506

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Posted 04 March 2011 - 11:38 PM

Ordered today, I'll take pics and such when I get them in.

#17 texasranger

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Posted 18 April 2011 - 05:11 PM

Ordered today, I'll take pics and such when I get them in.


Pics? I'm about to order as well...

#18 mrrpm

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Posted 18 April 2011 - 08:29 PM

All the valve covers are the same now, all Can Am V-Twins us the same hard cover, not just the XMR. In other words, you can't order the old style anymore, the part number supercedes to the new one.

#19 crewdog506

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Posted 18 April 2011 - 11:17 PM

They are installed, I started another thread somewhere...I have a few miles on them and they are not leaking, not even seeping. I also trimmed the gasket as seen in the other thread, look for "spring maintenance."

#20 DaveB

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Posted 19 April 2011 - 03:18 PM

They are installed, I started another thread somewhere...I have a few miles on them and they are not leaking, not even seeping. I also trimmed the gasket as seen in the other thread, look for "spring maintenance."

Ordered mine today...thanks Crew and MrRPM.

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