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Oil leaking

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I normally keep my bike on a stand but over night I left it on the kickstand. When I went in in the morning I found some oil on the floor under where like the gear shifter is. It looks like it is coming from behind the sprocket to me I took some pics. I plan on pulling it chain and sprocket off later but any ideas what it could be? I have it washed and up on the stand now and I don't see anything. I'm going to put it back on the kickstand in a bit to see if it leaks again. 2015 300

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Careful if pressure washing the crud out of that area as perhaps your seal was damaged by dirt/debris being pushed in.

 

(actualy be careful when pressure washer close to any rubber seals on the bike)

Edited by mlatour

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I do power wash the bike so there is a good chance I damaged it. I guess I will order a new one

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I know this is probably a dumb question but I'm supposed to go on a ride tomorrow. Is it bad to ride it before I change the seal? I will obviously make sure it has enough oil

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Your pics show that it's a rather small leak as the area isn't covered in oil.

 

Unless you plan on racing a 12 hour long enduro tomorrow,

just make sure the oil level is ok before your ride and don't worry about it.

Edited by mlatour

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Ok so is there a trick to getting that metal ring with the rubber seal out? I took out the metal sleeve that goes over the shaft but I can't pull that seal out

Edited by x2fanatic

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This is what I'm having trouble with. I went and purchase a good pick set and I still can't get it. Any tricks?

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You have to try to get the metal shell to move. Then get behind it and work it out. The countershaft is what makes it a pain. I've have also put screws in the outer part 180* degrees apart and used vise grips back and forth . Just be patient, you don't want to touch the case.

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The auto part store had a seal puller tool. I bought it and got it out within seconds. Thanks for the help

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Could too much oil cause the seal to leak?

how many hours on the bike? Do you over fill it? I usually drain mine over night and put 700cc back in.

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Not sure how many hours but I have just about 500 miles on it. I normally let it drain for 15 minutes or so then I put about 27 oz in. That's what the manual calls for

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I've changed my seal once. Bike has over 5,000 miles ,around 375hrs

I don't think you'll have any seal problems for a while

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27 oz's is just under 800 cc's. I put 750 cc's in mine some run 700. You are good to go. Over filling the crankcase will cause internal problems but shouldn't wreck much havoc on the countershaft seal. I think they just get crud up inside them which contributes to their failure.

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I know this is probably a dumb question but I'm supposed to go on a ride tomorrow. Is it bad to ride it before I change the seal? I will obviously make sure it has enough oil

 

i've let mine get way worse than that on both my 4 stroke and 2 stroke.  you'll be fine.  check your oil before the ride.  just more mess to clean up.

 

Also FYI.  if you go aftermarket kit.  i have tried the "pivot works" and the "all balls."  and the all balls worked better.  the pivot works started to leak again after only one season. all balls has gone 3 seasons now with no leaky.

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