Hey, if you own a Yamaha ATV, motorcycle, or scooter from the 80s, 90s, or early 2000s, this 4-pack of oil filters could be exactly what you need. This Road Passion filter is a direct replacement for part numbers HF143 and KN143. The dimensions are: Height 1.9 inches (48.3mm), Outside Diameter 1.47 inches (37.5mm), and Inside Diameter 0.53 inches (13.5mm). The compatibility list is huge, but to name a few popular models: It fits the Yamaha YFM250 Moto-4 (1989-1993), YJ125 Vino (2004-2009), TW200 (many years), TTR125LE, TTR225, TTR230, XT225 Serow, BW350, and a ton of others (check the full list in the description!). It also fits some MBK scooters. Having a 4-pack means you're set for your next few oil changes, which is super convenient. Always double-check the part number against your owner's manual or old filter to be 100% sure it's the right one for your specific bike or ATV. It's a basic maintenance part, but getting the right fit is key. Road Passion offers customer support if you have questions before or after buying, which is nice.