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Fits: YAMAHA YZ250X, YAMAHA YZ125X, YAMAHA YZ450F, YAMAHA YZ250F, YAMAHA WR450F, YAMAHA WR250F, YAMAHA YZ250, YAMAHA YZ125
Avoid Troubles That Make You Unable to Drive
The Chain Slider seems to be common to almost all of Yamaha's recent OffRoad racer models, so it can be diverted.
I have been using them for almost 10 years on my YZF, YZX and WRF.
OEM Material:AluminumBlock bends when it hits a rock or a tree, and in the worst case it becomes impossible to drive.
I bought this because my Chain Slider was bent and the Chain that came off almost split the Crankcase.
The quality is very high.
What I want to mention is that the bottom part is fastened with 4 hexagonal screws because of the 2 piece structure, but the distortion of the screw mountain does not appear at all even though it is a small screw and the point where the impact is frequently applied.
Material:A female screw like "Brass" is embedded in the body side of Plastic, but every time I do maintenance, the screw goes in smoothly and I am surprised.
Of course, the maintenance such as applying waterproof grease has been done.
As for the body, the wound became a lot as expected, but there is no particular deformation and it is possible to use it normally.
There is no rubber in the contact area with the Chain, and I thought that the durability might not be able to be expected because the resin of the Chain and the Body touch each other directly, but it seems that it can still be used with little wear unexpectedly.
I don't know much about material engineering, but the surface of the body is decorated with Carbon Style pattern, but the body material is probably DURAGON? I think the body is made of a material like DURAGON.
Personally, I like the Material made by ACERBIS:Plastic products seem to be good products.
The only thing that bothers me is that there is no rubber on the Guide, so when the Chain is strung loosely, it rattles a bit like a large fine-meshed rattle. I got used to it soon.
This is a recommendation for those who do not want to retire in a race, those who must return by themselves on a forest road, and those who want to protect their Crankcase from trouble.
It's also a good choice for those who plan on keeping their Yamaha vehicle for a long time because it can be used interchangeably.
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