February 1, 201016 yr Hi all, How hard is it to change the crank seals on a '98 315? Can I do it with the engine in situ, or is it a crankcase splitting job? Thanks!
February 1, 201016 yr I believe its a engine split job... and ensure you get the washers back in the right places for the gearbox shafts etc... or you will have to split it again..... (voice of experience talking) I guess thats not what you wanted to hear....
February 1, 201016 yr Author I believe its a engine split job... and ensure you get the washers back in the right places for the gearbox shafts etc... or you will have to split it again..... (voice of experience talking)I guess thats not what you wanted to hear.... No, I was hoping to avoid that if possible! In my experience, opening a crankcase is like opening a can of worms...
February 2, 201016 yr I believe the crankshaft oil seals are on the outside of crankcases. Look on page 4-22 of the service manual. This is fairly typical of modern 2-strokes. So if you are careful, you might be able to pry the oil seals from the outside, and drive in new ones without having to split the cases. DO NOT pry against crankshaft, or else you'll scratch it and your new seals won't last long. You may need to drill the face of the oil seal so you can get a pry pick into it. Or try driving a sharp pick into the seal at the seam where it meets the crankcase.
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