Want to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional oil analysis kits. Results are typically received in a few days via email. Shop now.. Yamaha 20 Hour Service Kit LUB-20W40-FC-12. Keep routine maintenance simple with a Yamaha F40A 20 hour service kit for 2008-current models built around Yama