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. Works with Serial Numbers: 1B366823 thru 2B094995 Includes: Oil Filter In-Line Fuel Filter 2x Gearcase Drain Seals Oil Drain Seal