Looking for an Yamaha SR 400 battery? Then you've come to the right place. We have been selling batteries for Yamaha SR 400 Motorcycles online since 2003 and will have the correct battery for your Motorcycle in stock, available for next day delivery. Use our Yamaha SR 400 battery guide below to find a suggested battery for your Motorcycle and compare it to the battery fitted to your SR 400. Need help? Simply contact us.