77-'17 for Yamaha YZ125 VORTEX Chain Rx3 X-Ring 520-120L Blk Increases oil flow and volume

Increases oil flow and volume by enlarging the oil pump reservoirs and critical oil passages including matching the oil port holes throughout the camplate to the port holes in the engine case which increases engine oil flow to the lifters

then the 9MM by HIGHWAY 21 is a great way to do just that

Title: 574 Race Series Camshaft Kit

Shifter pegs included (unless noted)

Slimline removable visor

77-'17 for Yamaha YZ125 VORTEX Chain Rx3 X-Ring 520-120L Blk Increases oil flow and volumeManufacturer: Vortex MPN: 520RX3 120 Title: RX3 Chain Size: Option: 520X120 Color: Black Drilled links reduce rotating mass Tri Glide X rings reduce friction Quad peened pins, pre stretched to ensure proper fit Comes with a rivet style master link