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Post by dalmahoy on Aug 14, 2019 10:53:01 GMT 1
Out on the 4L0 last night and I noticed a little wear between the gear shifter and engine casing.
The seal in the crankcase is fine - with any wear appearing limited to the outer casing.
Before I strip the thing - is the bush or bearing in the outer casing available?
Looked on a couple of sites and I couldn't see it listed.
Cheers
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Post by midlifecrisisrd on Aug 14, 2019 11:13:32 GMT 1
Don't think there is a part as such but on my last build I replaced it
The ypvs had a bush in the crankcase which is only a few quid so I bought one, drilled out the side case with a pillar drill then pushed in the ypvs bush with a bit of epoxy on it to help bond it in
Steve
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Post by oldbritguy on Aug 14, 2019 11:18:41 GMT 1
Don't think there is a part as such but on my last build I replaced it The ypvs had a bush in the crankcase which is only a few quid so I bought one, drilled out the side case with a pillar drill then pished on the ypvs bush with a bit of epoxy on it to help bond it in Steve Pished on it Steve? That is a bit uncouth for a man of your standing on this fine forum |
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Post by midlifecrisisrd on Aug 14, 2019 11:24:05 GMT 1
Don't think there is a part as such but on my last build I replaced it The ypvs had a bush in the crankcase which is only a few quid so I bought one, drilled out the side case with a pillar drill then pished on the ypvs bush with a bit of epoxy on it to help bond it in Steve Pished on it Steve? That is a bit uncouth for a man of your standing on this fine forum Oh dear 😳, auto correct at its best lol I am suitably chastised and have corrected the offending article 😂 Steve |
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Post by lolly on Aug 14, 2019 13:43:29 GMT 1
Out on the 4L0 last night and I noticed a little wear between the gear shifter and engine casing. The seal in the crankcase is fine - with any wear appearing limited to the outer casing. Before I strip the thing - is the bush or bearing in the outer casing available? Looked on a couple of sites and I couldn't see it listed. Cheers www.ebay.co.uk/itm/Yamaha-Rd-250-lc-Gear-shaft-Fix-/273947147686?hash=item3fc885bda6
is this what your after ? if so they works a treat ; did mine about 6 months ago
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Post by dusty350 on Aug 14, 2019 14:30:17 GMT 1
I had a case on a previous build that was missing the bush altogether. I found a roller bearing;  38033351721_e5e636d284_b by dusty miller, on Flickr Had to enlarge the hole in the case a bit as the bearing has an 18mm OD, but took just enough out to make it a tight press fit. Should last forever hopefully !  24192114198_fd30153559_k by dusty miller, on Flickr Dusty  |
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Post by dalmahoy on Aug 14, 2019 21:32:33 GMT 1
Out on the 4L0 last night and I noticed a little wear between the gear shifter and engine casing. The seal in the crankcase is fine - with any wear appearing limited to the outer casing. Before I strip the thing - is the bush or bearing in the outer casing available? Looked on a couple of sites and I couldn't see it listed. Cheers www.ebay.co.uk/itm/Yamaha-Rd-250-lc-Gear-shaft-Fix-/273947147686?hash=item3fc885bda6
is this what your after ? if so they works a treat ; did mine about 6 months ago
Sure thats for the crankcase not the outer casing. I'll keep it save though just in case the crankseal does start to leak. |
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Post by shaunthe2nd on Aug 14, 2019 21:39:32 GMT 1
Out on the 4L0 last night and I noticed a little wear between the gear shifter and engine casing. The seal in the crankcase is fine - with any wear appearing limited to the outer casing. Before I strip the thing - is the bush or bearing in the outer casing available? Looked on a couple of sites and I couldn't see it listed. Cheers www.ebay.co.uk/itm/Yamaha-Rd-250-lc-Gear-shaft-Fix-/273947147686?hash=item3fc885bda6
is this what your after ? if so they works a treat ; did mine about 6 months ago
Used this fix twice now with good results. |
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Post by dalmahoy on Aug 15, 2019 7:18:37 GMT 1
Looks a pretty doable repair.
Looking at drilling, reaming then fit a phosphor bronze bush.
Thanks for all the tips and advice - it's most appreciated.
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Post by chrisg on Oct 13, 2019 20:16:05 GMT 1
Looks a pretty doable repair. Looking at drilling, reaming then fit a phosphor bronze bush. Thanks for all the tips and advice - it's most appreciated. There was a company on EB that sold a press in bush in place of the seal and had a seal fitted on the outside to get round the wear. Ive not seen it for a while but keep a look out. picclick.co.uk/Yamaha-Rd-250-lc-Gear-shaft-Fixbushed-273971292970.html |
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Post by dalmahoy on Oct 14, 2019 11:04:17 GMT 1
Chris - that looks like the crankcase - it's the outer casing I need sleeved.
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