This Mechanical Tensioner is designed for your BMW F850 engine. Installation of this Mechanical Tensioner prevents chain "rattle" at start-up and prolongs chain life. A must have for your BMW F850GS. This product is made in the USA with quality metals and precision machining. With greater adjustment capability, our Mechanical Tensioners eliminate chain rattle even on engines with more than 100,000 miles.
This Model fits all years of the BMW F850GS (All Years)