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Post by gazbeemer on Jul 8, 2014 8:34:44 GMT 1
Hi engine is from a 125lc mk2. Going for a complete rebuild and would like to get the bearings ordered in advance so does anybody have a list of all the bearings I would need for crank. Gearbox. Balance shaft etc. And the best place to get them from etc. Cheerd gary
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Post by mudguts on Jul 8, 2014 16:11:11 GMT 1
The 2 needle roller bearings you will have to get from Yamaha, INPUT SHAFT LEFT AND OUTPUT SHAFT RIGHT
the rest i used SKF explorer
get them from a proper bearing dealer not ebay full of fake poo
RIGHT CLUTCH SHAFT 1 side shielded 6303Z get a double shield and ping out one shield
MAIN LEFT 6205/C3
RIGHT MAIN 6304/C3
LEFT OUTPUT SHAFT 6204
RIGHT BALANCE SHAFT 6303
LEFT BALANCE SHAFT 6302/C3
QUALITY CON ROD KIT TOO MADE BY "LONG" AS ORIGINAL
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Post by mudguts on Jul 8, 2014 16:12:00 GMT 1
also get some threebond for the case halves
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Post by gazbeemer on Jul 8, 2014 22:08:27 GMT 1
Hi and cheers for that mudguts. Is there any reason fot one side of the balance shaft being c3 and the other side not ?. Called the local yam dealer earlier and both needle bearings come to 32 quid so not to bad I guess. Rest will prob come from simplybearings.com who seem ok. Just seals to source now. Any reason why the waterpump seal is so expensive ?
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Post by gazbeemer on Jul 8, 2014 22:08:44 GMT 1
Hi and cheers for that mudguts. Is there any reason fot one side of the balance shaft being c3 and the other side not ?. Called the local yam dealer earlier and both needle bearings come to 32 quid so not to bad I guess. Rest will prob come from simplybearings.com who seem ok. Just seals to source now. Any reason why the waterpump seal is so expensive ?
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Post by gazbeemer on Jul 8, 2014 22:09:09 GMT 1
Oops
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Post by okeydokey on Jul 8, 2014 23:59:05 GMT 1
I wondered that aswell. Just took all mine out last night bar the needle bearings as they are fine. Am just going to order all as C3. Cost for them at simply bearings comes in at £24.43 (all skf). Which means about 15quid cash at the local supplier! Lol
Btw none of them removed was a c3 bearing but they were all koyo. Original Equipment.
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Post by rob99 on Jul 9, 2014 9:06:25 GMT 1
I went to my local supplier (swan) and they quoted me double for all my bearings i went to simplybearings for mine and got all koyo c3
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Post by mudguts on Jul 9, 2014 10:29:46 GMT 1
C3 bearings have a bigger clearance to allow for expansion from heat, i would not get all c3, just the ones i listed, i did check with my yam dealer on the c3 bearings, left balance and mains only as they get hotter. but its such a small amount of clearance dont spose it will rearly matter. Been done for nearly 2 years now, still all fine. My bearing supplier said skf explorer were a grade up from standard koyo stuff, and there is a lot of fake stuff out there, but im no bearing expert so thats why i went to my local bearing specialist as thats all they do.
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Post by nigel1967 on Jul 20, 2014 12:28:21 GMT 1
Hi, you could try aj sutton
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