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January 24th, 2013, 04:59 PM   #11
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Re: Help with changing a front sprocket seal FE570

Originally Posted by 1Trak Mind
You better keep an eye on that c/shaft ...looks like its getting boogered. Did you see Lostriders post on ADV?
just checked posts by lost rider and lostrider on advrider with no luck. got a link for it by any chance?


Originally Posted by 1Trak Mind
You better keep an eye on that c/shaft ...looks like its getting boogered. Did you see Lostriders post on ADV?
thanks for the help guys, finally got the bugger out today with the screw method. shoved a rag behind the seal first and just as well because there were plenty of steel shavings near the bearing even though i tried to drill carefully.

that countershaft spline does look bad in the pic above, mine has a bit of wear but not that much. i did notice the sprocket has a tiny bit of sideways rocking kind of movement even after tightening the bolt up with the stock washer. can't help feeling this isn't right, and would lead to faster wear of the splines.

i read around and some guys reckon a bit of movement on katos is fine, others say it's not good.. and i heard guys mentioning a dirt tricks washer. does this eliminate the bit of rocking movement of the sprocket or it that normal? never checked it when i first got the bike new!
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January 24th, 2013, 09:21 PM   #12
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Re: Help with changing a front sprocket seal FE570

Hmm, I don't like the sound of the slight sideways play.
The Dirt Tricks washer is better than the stock washer, but they are only a spring washer i.e. it holds the sprocket at a constant pressure against the O ring. I installed the Dirt Tricks when my seal was leaking (also got their cam chain tensioner at the same time to save on freight).
It won't stop sideways movement/play. That sounds to me like a buggered bearing or worn output shaft. But I'm no expert, hopefully someone with more skills can advise.
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January 24th, 2013, 10:27 PM   #13
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Re: Help with changing a front sprocket seal FE570

definitely no free play in the shaft itself, its just the sprocket. checked with a mate of mine who bought his berg at the same time but only done 2000km so bugger all wear... he gets about 0.5mm of rocking on the sprocket, mine is about the same so i think it's all okay.

very very happy i've run a cush drive hub since new after looking at lost rider's worn splines. the mate mentioned above has his on order now.
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January 25th, 2013, 06:29 AM   #14
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Re: Help with changing a front sprocket seal FE570

Originally Posted by hoosie5seventy
Originally Posted by 1Trak Mind
You better keep an eye on that c/shaft ...looks like its getting boogered. Did you see Lostriders post on ADV?
just checked posts by lost rider and lostrider on advrider with no luck. got a link for it by any chance?

Link to Lost Rider's post about countershaft problem, starts at Post #3175: http://advrider.com/forums/showthread.p ... 6&page=212

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January 25th, 2013, 09:38 AM   #15
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Re: Help with changing a front sprocket seal FE570

An idea about using the screw method.

Load the back of the seal with grease before drilling. The grease should allow for easy removal of all the steel bits without fear of them falling into the bearings.

I haven't done this repair, and hope to not have to for 20kmi.
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