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Post by paul8899 on Aug 16, 2010 20:06:31 GMT 1
Does anyone know what the clearance is between the powervalves and the brass bushes ?
Ta
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Post by bare on Aug 20, 2010 3:20:28 GMT 1
it's surprisingly large. From brand new valves and bushes 12/14" thousands approx (from memory tho)
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Post by paul8899 on Aug 20, 2010 19:48:59 GMT 1
Thanks, I measured mine and they are a bit egg shaped, no wonder why they were leaking.
Where can you get new ones ?
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Post by midlifecrisisrd on Aug 20, 2010 20:51:32 GMT 1
Thanks, I measured mine and they are a bit egg shaped, no wonder why they were leaking. Where can you get new ones ? Genuine yam ones still available (£30 each) or from two stroke shop ( billet alloy, price depends on exchange but comparable) Steve |
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Post by paul8899 on Aug 21, 2010 18:01:08 GMT 1
Thanks, the gen yam ones are a bit expensive aren't they !
I was going to order some of the powervalves from tss so I might get the bushes at the same time
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Post by Deleted on Aug 22, 2010 9:48:27 GMT 1
Good idea, that's what I did.  |
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Post by paul8899 on Sept 2, 2010 22:39:29 GMT 1
are the tss powervalves as good as they look ?
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Post by Deleted on Sept 3, 2010 8:59:13 GMT 1
This is how mine looked when they arrived:  |
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Post by paul8899 on Sept 3, 2010 14:24:04 GMT 1
very nice !
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Post by lcowner on Sept 3, 2010 16:59:06 GMT 1
nice and not green ,nice.......
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Post by bare on Sept 3, 2010 17:15:11 GMT 1
DO double check the wide open 'fit' in the ex port.. they should be perfect but who knows the exact history of one's barrels.
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Post by Deleted on Sept 16, 2010 9:17:18 GMT 1
I often wonder why Yamaha didn't design it with 4 bushes. I would have thought the offside valve would have benefited from another bush.
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Post by midlifecrisisrd on Sept 16, 2010 17:11:03 GMT 1
I often wonder why Yamaha didn't design it with 4 bushes. I would have thought the offside valve would have benefited from another bush. It does, it's in the end cap. Steve. |
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