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Old 17 February 2006, 11:44   #21
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Country: UK - Scotland
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Make: Redbay 11m Cabin
Length: 10m +
Engine: 2 x Yamaha422Sti 275
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Quote:
Originally Posted by jwalker
Hugh, it won't have shells as in a 4 stroke. It'll be needle rollers and they run between the bigend of the conrod and the crank. If there's severe rust, it's a major job. If the crank and rods are only minorly damaged, it is possible to hone them and bring them back to life relatively inexpensively if DIYing is an option. Needle rollers can be purchased from bearing suppliers in quantities of 100 for not too much money.
Spot on Jeff, needle bearing...and a pure Bast*** to fit, especially if you've got shovels for hands . The mains had very noticable rust on them with the bearing coating missing in parts. As far as i recall I spent around 1200 on it and its still running, abiet on another boat
Andy
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Old 17 February 2006, 11:48   #22
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glad its not me fiddling around with it then!! was forgetting the two strokers use the caged rollers/needle bearings. when my engine blew a few years ago i got it done by a dealer inexpensively so did not have to get my hands dirty. they can be very fiddly and not had to do it for a good few years now. but i would do it myself these days on a smaller older engine like my yam 15 rather than use a dealer or agent, as i am scottish at heart
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Old 17 February 2006, 11:52   #23
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Old 17 February 2006, 12:08   #24
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Originally Posted by Hugh Jardon
...however my big end went within a few hours...
Thats prolly caused by visiting the doggers car park after church Chris..
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Old 17 February 2006, 13:12   #25
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no, that was my small end...
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Originally Posted by tcwozere
Thats prolly caused by visiting the doggers car park after church Chris..
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