Fuel unit is the equipment used for the preparation of oil fuel for delivery to an oil-fired boiler, or equipment used for the preparation for delivery of heated oil to an internal combustion engine, and includes any oil pressure pumps, filters and heaters dealing with oil at a pressure more than 0.18 N/mm2. Oil transfer pumps are not considered oil fuel units Model Applicable-Xtreme 125Maintains steady fuel pressure to support quick acceleration and reliable power delivery, even during long rides. Designed with premium components to resist wear and provide consistent performance over time. Calibrated specifically for the Xtreme 125 to ensure perfect compatibility with its fuel system. Helps improve overall fuel efficiency while keeping the engine running smoothly at idle and at high speeds. OEM-spec replacement that fits seamlessly, making installation quick and hassle-free without modifications.