Factory spec gear at a really great price
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Bought this to replace a totally stretched out chain on a none running LTZ400. Fits perfect amd hasn't slipped or stretched out too early. I'd buy another one on my next chain.
Yamaha 5 valve heads are hard on the OEM timing chain! this timing chain is a serious upgrade from OEM!
Being not terribly familiar with 4 strokes, I was pretty worried about putting this in. I'm glad I did. It was considerably shorter than my stock one - not a fault of the product, but an indication that my original had stretched considerably. It isn't easy on the YZ426 but there are plenty of youtube videos and forum posts you can reference.
If you haven't ever changed one, I suggest doing it. A stretched chain can cause power loss and difficult starting. It fires up in one or two kicks now, which is very unlike the infamous 426.
made my rmz 450 easy to start again as it took up the slack a lot more quiet too great fit like all there products