Hi, wanted to pick your brain with this problem. No oil leaking but I would like to fix the seal somehow without changing it entirely.
Any thoughts?
Oil seal broken behind front sprocket
Re: Oil seal broken behind front sprocket
The rubber coating missing from the outer edge of the seal steel shell (green mark) has no effect at all on the seals serviceability. At some point grit, string, something was likely packed up behind the sprocket and it wiped the rubber off the steel shell.
As you live in a location that seems to turn bikes in to corroded rust buckets, I suppose protecting the steel shell from rusting might be worth a few minutes of time ...but getting paint to stick will be tough.... Id likely clean with brake clean, acetone, or the like on a rag...dont soak, just wipe it down.. then put a VERY thin layer of RTV over the exposed steel. DO not gob it on...just enough to coat.
Last edited by E.Marquez on Tue Aug 13, 2019 8:53 pm, edited 1 time in total.
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And advanced Rider training
Re: Oil seal broken behind front sprocket
I cleaned it and applied a thin layer of RTV. Hopefully a more frequent cleaning of the sprockets backside will help prevent any further damage.
I suspect that the previous owner never cleaned that part and all the added chainlube, sand and other things just broke the seal like you said
I suspect that the previous owner never cleaned that part and all the added chainlube, sand and other things just broke the seal like you said