PWK 38mm Carburetor compatible part - Size confirmation required: This item is for PWK 38mm carburetors. Please confirm the size before purchase. - Yamaha YZ250 compatibility: Fits 1978 through 2002 Yamaha YZ250 models. - Broad engine class compatibility: Suitable for 250cc, 300cc, 350cc, and 400cc off road motorcycles, scooters, UTVs, dirt bikes, and quads. - ATV and related models: Fits ATV models and components including TRX250R, CR250, YZ250, YFM450, YZ, KX, RM, CR, LT 125, LT 250, LT 500. Key benefits and practical use - Versatile compatibility reduces the need to stock multiple carb parts for a mixed fleet of bikes and ATVs within the listed ranges. - Clear size specification helps prevent incorrect purchases and ensures proper fit with PWK 38mm carburetors. - Applicable to classic and contemporary models within the listed Yamaha YZ250 range and a wide selection of 250cc-400cc off road and ATV platforms. Use scenarios - Scenario 1: You are rebuilding a Yamaha YZ250 from 1978-2002 and require a PWK 38mm carburetor compatible component to restore proper function. - Scenario 2: You manage a yard with multiple off road machines in the 250cc-400cc range and need a single carburetor part that fits motorcycles, scooters, UTVs, dirt bikes, and quads within the listed models. - Scenario 3: You are performing maintenance or a carburetor upgrade on an ATV or dirt bike and need to verify compatibility with TRX250R, CR250, YZ250, YFM450, YZ, KX, RM, CR, LT 125/250/500 models.