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Post by wangwang on Apr 16, 2019 12:22:01 GMT 1
Any tips please on fitting a new clutch mechanism bearing in the top of the crankcase on a YPVS, seems a very tight fit.
Cheers
wang
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Post by headcoats on Apr 16, 2019 12:46:48 GMT 1
I did one years a go and heated the cases up first but that bearing seems very fragile doesn't it ?
Think someone did it a few days a go and used a bolt and washers to draw it in
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Post by dusty350 on Apr 16, 2019 12:52:40 GMT 1
Hi Yea, a tight fit for sure. Warm up the casing, and bearing in the freezer for an hour first. Grease the outer shell, and use a long bolt with a washer each end to draw it in. Think someone just added pics in the resto section. Don't be tempted to knock it in - the draw bolt is far kinder to the bearing  Dusty  |
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Post by Tobyjugs on Apr 16, 2019 13:19:33 GMT 1
Liquid nitrogen is your best friend with this sort of thing 🤣😂🤣😂
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Post by bare on Apr 17, 2019 1:45:24 GMT 1
Be Absolutely Positive ! that that Bearing actually Needs replacing.
Damned few do
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Post by darboots on Apr 17, 2019 8:22:59 GMT 1
Recently had to take mine out ahead of blasting. I used a slide hammer bearing puller and that was a bitch as it was. Tighter than a Nun's chuff...
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Post by wangwang on Apr 17, 2019 9:03:08 GMT 1
Had to remove it before vapour blasting, it was a got to get out, ended up putting it on the gas hob and using a slide hammer.
The bearing was knackered, been stood, exposed over 10 years!
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Post by oldbritguy on Apr 17, 2019 9:14:41 GMT 1
Had to remove it before vapour blasting, it was a got to get out, ended up putting it on the gas hob and using a slide hammer. The bearing was knackered, been stood, exposed over 10 years! Yeah, I had the same problem but needed assistance from my local engineering shop to get the pig out. Replacement was straightforward enough. As the guys suggest, new bearing in the freezer before hand, warm the casings up (I sat the case on the radiator for a bit and it got well hot) then using a big bolt and nuts with some heavy washers to pull the new one in. rdlccrazy.proboards.com/thread/46798/31k-boxes?page=2Job done |
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Post by 4l04ever on Apr 17, 2019 20:03:16 GMT 1
Are you fitting an original OEM Yamaha bearing, or a LMC/Legend one??? The LMC/Legend ones are slightly oversize and will be even more difficult to fit than a standard one.
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Post by wangwang on Apr 17, 2019 22:26:38 GMT 1
Are you fitting an original OEM Yamaha bearing, or a LMC/Legend one??? The LMC/Legend ones are slightly oversize and will be even more difficult to fit than a standard one. Had problems with their selector bearing being sh!te, so no, a yam one |
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Post by 4l04ever on Apr 17, 2019 22:28:02 GMT 1
Are you fitting an original OEM Yamaha bearing, or a LMC/Legend one??? The LMC/Legend ones are slightly oversize and will be even more difficult to fit than a standard one. Had problems with their selector bearing being sh!te, so no, a yam one I had some of both of their bearings...both sh1te fit... |
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Post by wangwang on Apr 17, 2019 23:10:42 GMT 1
Had problems with their selector bearing being sh!te, so no, a yam one I had some of both of their bearings...both sh1te fit... Apparently, they've sold hundreds without any problems!! |
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Post by 4l04ever on Apr 17, 2019 23:40:42 GMT 1
I had some of both of their bearings...both sh1te fit... Apparently, they've sold hundreds without any problems!! There must be hundreds of people with bearing shaped paperweights! :-) |
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Post by jon on Apr 18, 2019 18:17:03 GMT 1
I had some of both of their bearings...both sh1te fit... Apparently, they've sold hundreds without any problems!! More likely people haven’t bothered complaining. I bought some and by the time I got round to trying them a year or so had passed since purchase and I had no receipt. As they were relatively low cost I chalked it up. In a way counter productive on their part as they couldn’t have made that much profit on them, but now I think twice about buying from them, so if others have done the same they must have lost a fair bit of business? Might be worth creating a thread about them with a poll so people can record if they had trouble or not, and see how many did? Jon |
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Post by kostas on Apr 19, 2019 11:30:05 GMT 1
My Legend Motorcycles carb inlet rubbers for my RGV were split at the balance tube spigots before I even fitted those...
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Post by wangwang on Apr 19, 2019 15:37:20 GMT 1
Fitted bearing today, borrowed a hi temp hot air gun and wound it in no trouble with an M10 nut and bolt with washers on.
Thanks for the advice
wang
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Post by roach3 on May 1, 2019 12:24:07 GMT 1
Got some powervalve bushes from legend
Was a nightmare getting them in
and that’s with slightly
Worn barrels
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