[450xaussiethunder]

I removed my stator cover and on my crankshaft in front of the flywheel nut there is a spring and a rubber seal

Not sure if normal or not as can't find any pics of this... can upload a pic if needed [/img]

[JimDirt]

Welcome to the site !!

Check the flywheel where it goes into the engine , and see if there is any burrs or anything on the outer part that goes over the crank , as it is the part that rubs on the seal , the seal has come apart (that is what the spring is from)and needs to be replaced , the spring would go on the inside of the seal to keep the lip tight against the flywheel shaft , hopefully any debris you found are just from the seal and nothing else , but it sounds like a crank/rod issue and the entire engine is going to have to be torn down to be sure , as if it is bearing or crank shrapnel then the crank will have to be replaced , what it is will depend on the color of the shavings , but either way , it comes to the same outcome of complete tear down .....sorry ...

To post a picture you need a "Hosting Site" like Photobucket or something like that , you upload your picture to the Hosting Site , then copy the link (for Photobucket it will be IMG) and just paste it into your post

Hope that helped

I also replied to your PM

[450xaussiethunder]

http://www.thumpertalk.com/index.php?/t ... ome-Advice!

http://www.thumpertalk.com/index.php?/t ... ck-at-idle.

[JimDirt]

Got ya , yea that is the end seal in the stator cover , i completely forgot about it , it keeps the oil pressure from the oil filter to the crank , if the brass piece gets damaged the engine will not get lubricated properly , so its a good thing you pulled it apart , i was thinking you were talking about the crank seal , my bad

Looks like you have the same issue as the other guy , the seal most likely got brittle from the engine heat , it does happen , but its not very common

Just remove the snap ring and remove/replace the seal , its real easy

As for the knock , hopefully its not from lack of oil to the rod , if it is a rod knock , its crank time , if its as the other poster at TT then its the piston , if the knock does not stop after the seal replacement and you pull the head/cylinder/piston , you will be able to move/rattle the rod around by hand and tell if its solid or not , if it has any side and/or up/down movement , or any binding when turning the crank by hand while holding the rod , then the crank is done

[450xaussiethunder]

Got ya , yea that is the end seal in the stator cover , i completely forgot about it , it keeps the oil pressure from the oil filter to the crank , if the brass piece gets damaged the engine will not get lubricated properly , so its a good thing you pulled it apart , i was thinking you were talking about the crank seal , my bad

Looks like you have the same issue as the other guy , the seal most likely got brittle from the engine heat , it does happen , but its not very common

Just remove the snap ring and remove/replace the seal , its real easy

As for the knock , hopefully its not from lack of oil to the rod , if it is a rod knock , its crank time , if its as the other poster at TT then its the piston , if the knock does not stop after the seal replacement and you pull the head/cylinder/piston , you will be able to move/rattle the rod around by hand and tell if its solid or not , if it has any side and/or up/down movement , or any binding when turning the crank by hand while holding the rod , then the crank is done

Thanks heaps Jim for the detailed responses

Yes the seal is from inside the stator cover once I looked very carefully
The stator cover does get pretty hot when riding compared to my friends 450x

I removed my flywheel tonight I instantly I noticed the main seal was on a angle
I'm guessing something has happened or maybe that's how the shop installed it

My friends seal is perfect flush all the way around so I'm suspecting this is where the metal shavings come from

http://youtu.be/sEyLNSmNrJg

[450xaussiethunder]

Also the metal shavings are magnetic and all are silver.. I even cut my oil filter open

[JimDirt]

The shavings could be from the spring for the seal , but i cant see it being enough to heavily contaminate the filter and still be a whole spring , so it has to be something else

As for the seal ,something had to rub it or put pressure on it (from the inside of the engine) to make it kick sideways , it would be really hard to put it in crooked as its a real tight fit and would not be easy to install it wrong , unless you were just not paying any attention at all , so that is a bit of a worry of what "else" the shop did that was not right

As for the heat , the stator cover should not be any different temp than the rest of the engine , so its possible the stator is coming apart or going bad and/or the flywheel , look them both over carefully , for bubbling on the stator and for chips or possibly a magnet detaching from the flywheel , it can still be attached , but it may be moving and rubbing/hitting on something causing the shavings as it is steel/silver so the flywheel is the most likely culprit of the shavings unless they are internal in the engine and a possible cause for the main seal moving and the crank end seal shredding

[Back2-2]

It sounds like the crank is oscillating causing the seal to dislodge. The shavings and debris is probably the bearing failed which allowed the crank to move in an oscillation. That is also the knocking. While doing so the stator rubs or hits something causing some of the shavings but those would have been aluminum.

Just my 2 cents - but it don't sound good for that engine.

[450xaussiethunder]

I have ordered a
1. Oem New seal
2. Oem Cam chain
3. Oem Stator oil seal
4. Oem New gasket
5. K&n 3x oil filters (kn116)
Parts should be here friday

I still haven't removed the camchain tensioner so I don't know if there is any crank bearing movement..although in person you can clearly see were the camchain has rubbed on the seal as it is all silver

Maybe it isn't really a knock but it's the camchain rivets hitting the seal

Going to get loctite 609 retaining compound and I plan to see if it fixes the problem UNLESS I HAVE BEARING MOVEMENT

If the bike breaks oh well I still have the oem crank in perfect condition that the shopped talking me into getting replaced

[JimDirt]

Well lets hope for the best and this fixes the issue

[450xaussiethunder]

Hey Jim have you installed the new seal in stator before dry or did you apply grease to it (moly)

[JimDirt]

You can just install it dry if you like , the oil pressure behind it will keep it seated , if you want to lightly wipe it down with engine oil you can , it won't hurt anything if your worried about the seal friction , but generally if the Service Manual does not recommend coating the seal i don't put anything on it , which the manual does not say either way , so i just installed mine dry on my 450R when i replaced the ignition cover last year