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Yamaha MX & Off-Road Dirt Bikes
05 YZ125 - Snapped powervalve, anybody else?
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[QUOTE="Zenith, post: 1047057, member: 21314"] Hey guys, Just wondering if anybody else has had the powervalve snap in their 2005 YZ125 like mine in the photos below? If this is the only one I'll just put it down to a freak, if there's more then one I'd like to know if it's another YZ 'fault' to add to the list. I took the cylinder off it earlier to change the piston ring and found the right powervalve wasn't moving up and down with the other one, it was just loose. It looks like it just sheered off, which is pretty strange because there should be no lateral load on it at all. Next question his does anybody have a clever way of fixing it; I really want to ride tomorrow and Monday . It's aluminium which I don't have a welder for, so any other ideas? Drill and tap both sides and thread them together? Let me know what you reckon... [img]http://www.iol.ie/~foundation/dirtbike/photos/snapPV1.jpg[/img] [img]http://www.iol.ie/~foundation/dirtbike/photos/snapPV2.jpg[/img] [/QUOTE]
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Yamaha MX & Off-Road Dirt Bikes
05 YZ125 - Snapped powervalve, anybody else?
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