Banjo Bolt Oil Sight Glass for Honda XR600R /XR650L 1985-2023 Features: Ensure Adequate LubricationProvide visual feedback of whether there is adequate lubrication especially after you change oil, rebuild engine, potentially trap air in your oil pump in the event of a crash, or starve your engine of oil. 6061 Aluminum HousingThe housing is CNC machined from aircraft-grade billet aluminum with great solidity and strength. Red anodized surface to prevent any rust and corrosion. Crystal Clear ViewThe housing is integrated with a brass inlaid glass tube, providing crystal clear view of the oil flow to your cylinder head. Optimal Fluid FlowOur banjo bolts oil passage hole has been drilled out to 1/8in diameter (3.2mm) to ensure excellent fluid flow rate which is verified by our advanced simulation software, greatly surpassing the stock banjo bolt. Established in 2010, is the leading brand around the world. We focus on a huge variety of high-quality performance racing motorcycle/car/ATV/UTV parts for our customers. For a decade, our products have reached more than 100 countries, serving nearly 1,380,000 customers. Our overseas warehouses are spread across the globe to make fast delivery possible. Item Specifications: Brand: Condition: 100% Brand new Housing Material: Aluminum Alloy Housing Surface: Anodization Housing Processing: CNC-machined Package Included: 1x Banjo Bolt Oil Sight Glass Fit for For Honda XR600R /XR650L 1985-2023 Installation Note: You must install the new copper crush washer with the new assembly. (They are larger diameter than the stock)