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Post by jorjasfather on Dec 14, 2014 15:29:33 GMT 1
Hi there everyone i changed the right hand crank shaft oil seal about 2 mouth ago no problem but two weeks ago I changed the gearbox oil and since then it's been using oil I run it twice a week on tickover I have done ten miles since oil change any cleus
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Post by arrow on Dec 14, 2014 17:24:28 GMT 1
I don't think the two events are linked. Was it a genuine seal or a pattern one? Does the bike smoke heavily?
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Post by jorjasfather on Dec 14, 2014 18:12:44 GMT 1
Hi the seal are not genuine I got them for a local motorcycle engine reconers that I used years ago and had no problem and and the smoke isn't super bad but bad enough that the oil is spitting of the exhaust
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Post by arrow on Dec 14, 2014 21:07:48 GMT 1
Deffo sounds seal related.
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Post by jorjasfather on Dec 14, 2014 22:51:04 GMT 1
Any clue were I can get a genuine seal from
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Post by arrow on Dec 14, 2014 22:58:05 GMT 1
See if Norbo has them, or Yamaha.
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Post by jorjasfather on Dec 14, 2014 23:15:06 GMT 1
Top guy thanks for that .i was thinking there might a problem with the crank cases on top of other problems that I have found with it I think I got my eye wiped a bit when I got it . The guy I got it off was running it on a 12a with a micron with a 155 jet in it and and it wouldn't even start properly with a standard exhaust on it he even put a 350 lc temp sender in so the the temp was all over the place thanks again
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Post by arrow on Dec 14, 2014 23:22:21 GMT 1
No worries mate good luck. Try Norbo first then Granby motors or Fowlers.
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Post by mudguts on Dec 15, 2014 20:27:52 GMT 1
Hi
Have you checked the crankshaft spacer/collar the seal sits on, there only about £11 from mr yamaha and worth replacing even if lightly scored,
that could cause your seal to leak, worth a look while your got it in bits, as for crank seals ive used genuine and yambits ones,
the present crankseals are yambits ones been in 2 1/2 years now all fine allthough they did have a dodgy batch once,
ledar/allspeed/ 95mph indicated with a 14.5stone 6ft3 48y old rider lol
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Post by Pidz on Dec 16, 2014 0:19:37 GMT 1
I have some, if you get stuck. PM me.
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