2010 Problem (cam cover leak)


102 replies to this topic
  • gfmoto

Posted April 08, 2010 - 02:57 PM

#41

Just wondered if more bikes leaked, or if it was just a few.. Good that fixed ones still dont leak.


so are you in the south of sweden? It seems a bit early to be riding that far north unless its indoors or in the snow?? Just curious as I have spent some time in Stockholm

  • Skotten

Posted April 09, 2010 - 06:15 AM

#42

In stockholm, we ride all year round. Coldest day I was out was -20 something. Good spiked tires some warm cloths, and some balls!!

  • Skotten

Posted April 09, 2010 - 06:17 AM

#43

We do have an indoor track, which I tried out for the first time lastnight... Hard packed clay, small, tight, mini supercross track. Needless to say the 450 was too big too over powered for that track I hurt myself a bit. But the bike lives on

  • gfmoto

Posted June 24, 2010 - 08:43 PM

#44

Just had mine leak I guess a new gasket is in order!!

  • aedwards07

Posted July 01, 2010 - 06:36 PM

#45

Went through another one today.Great.haha.So I guess I am going to try to add a hole inbetween the 2 chambers in the head cover and put a new gasket in and see if that works better.Cant be much worse.

  • moto278

Posted July 01, 2010 - 07:27 PM

#46

i have 22 hours on my bike. no leaking yet. i know the hours very. out of curiosity. i kno the ppl i ride with and around here hate warming up their bikes before riding. i always warm up the motor before riding. are people with their gasket leaking warming up the motor or runnin it cold? i think i read on here that running a cold motor can lead to gas leaking into the motor and into the oil. just a thought and see what ppl on here do with there bikes

  • rickallen124

Posted July 01, 2010 - 07:42 PM

#47

Went through another one today.Great.haha.So I guess I am going to try to add a hole inbetween the 2 chambers in the head cover and put a new gasket in and see if that works better.Cant be much worse.


Man, that sucks. Is that the 3rd one now? I hope that removing material from that bridge works. Let us know if it does.

  • aedwards07

Posted July 02, 2010 - 06:42 AM

#48

I always warm my bike up.Its either the 3rd or 4th one now.

  • rickallen124

Posted July 02, 2010 - 11:56 AM

#49

Any chance the breather tube is getting pinched? I've heard that if it gets pinched that it will cause the valve cover gasket to blow out.

  • grayracer513

Posted July 02, 2010 - 12:34 PM

#50

Any chance the breather tube is getting pinched? I've heard that if it gets pinched that it will cause the valve cover gasket to blow out.


It will.

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  • gfmoto

Posted July 02, 2010 - 03:40 PM

#51

I have 13hrs on mine and I warm it up.

  • aedwards07

Posted July 04, 2010 - 07:34 AM

#52

Not that I know of.Maybe I will try to find a nylon reinforced hose for it as well.

  • Jeepentj

Posted July 05, 2010 - 06:23 AM

#53

Does anybody have the PN for this gasket? Thumpertalk doesn't have microfiche for the 2010's yet.

  • grayracer513

Posted July 05, 2010 - 08:16 AM

#54

PN is 33D-11193-00-00

  • aedwards07

Posted August 17, 2010 - 06:01 PM

#55

Blew another one today.I have the bridge hollowed out to help relieve pressure also.At this point its getting beyond ridiculous with these things.At least I picked up a few of them at Lorettas a few weeks ago.Should be set for another 2 months or so.

  • moto278

Posted August 17, 2010 - 07:30 PM

#56

im goin on 40 hours, nothin yet here? anyone else have problems?

  • 95s10nj

Posted August 18, 2010 - 04:45 AM

#57

I have 18 hours on mine and no leak yet....:banana: knock on wood

  • rchurch22

Posted August 18, 2010 - 08:23 AM

#58

I had 2 of these go out. I tried a few things when I installed the 2nd one and those did not work. But here is what did: Yamaha mechanic suggested that I use a few drops of superglue to hold the gasket in place in certain areas of the cover. So I put a few around each corner, in the section where the half moon shapes are and especially a few aournd the spark plug hole area as that is where my 2 previous gaskets had torn. Yamaha told me that it appeared to be some slippage or movement of the gasket causing it to tear. With this new superglue technique I have got about 80 hours on it now and several oil changes and extensive riding and no issues. I was holding off on posting this because I wanted to make real sure it was fixed and it appears to be fully resolved. I noticed that yamaha was also extended a leash portion of the gasket to connect both sides of the spark plug gasket area to increase the support. This was done on my second gasket but I cut if off thinking it should not be there since the original did not have it. Now I know it was meant to be there to help resolve this issue.

Good luck and hope this solves this issue for everyone!

  • Troutman

Posted August 18, 2010 - 11:21 AM

#59

Thanks for the post. Mine is at 18hrs with no problems yet but if it does happen I will know what to try now.

  • grayracer513

Posted August 18, 2010 - 12:44 PM

#60

Blew another one today.I have the bridge hollowed out to help relieve pressure also.At this point its getting beyond ridiculous with these things.At least I picked up a few of them at Lorettas a few weeks ago.Should be set for another 2 months or so.


Ready to try something?





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