Yamaha SR - Oil Cooler CNC machined aluminium oil cooler for Yamaha SR400/500 $325.00 Quantity: at $325.00 each Add To Basket A stunning piece of CNC machined billet aluminium alloy, this oil cooling cylinder not only helps keep the temperature of your SR in check, but it looks absolutely gorgeous. It features a looking glass and 2 black oil lines, it's lightweight and very easy to install. Made of one piece of CNC machined aluminium alloy, this oil cooler fits all Yamaha SR400 and SR500. It can be mounted in 10 minutes by simply bolting it onto the main downward frame beam. Length: 24cm Diameter: 4.5cm Everything is included for a fast and easy installation.