Replaces Idler Gear part number 79238006100，79238006000 & Pump Gear part number 77038001100. For KTM 250/350 EXC-F EXC XCF-W 2017-2022. -- The NICECNC Oil Pump Gear kit solved the problem of twisted and broken plastic gears in the oil pump of 250/350 Austrian four-stroke dirt bikes.
