This windowed camshaft plug is machined from a solid piece of 7075 billet aluminum alloy and features a large acrylic window, allowing observation of the spinning camshaft. Suitable for the Yamaha SR500, SR400, XT500, & TT500.
The acrylic window is secured with a circlip and rubber o-ring.
7075 is an aluminum alloy, with zinc as the primary alloying element. It is strong, with a strength comparable to many steels, and has good fatigue strength.