Motion Pro Motorcycle 2 Stroke Timer, W/C

Kit includes a dial indicator with extensions and a 14 mm spark plug thread adapter Allows inspection and adjustment of ignition timing Scaled in millimeters Designed to clear frame tubes on most recent water cooled models Gauge face size 1 1/2" Due to limited space between the cylinder head and upper frame rails, Two stroke timing kit 08-0250 with adapter kit 08-0249 does not fit on Yamaha RD two stroke twins with the engine installed in the frame. Adapter kit 08-0249 with two stroke timing kit 08-0250 does work on Yamaha RD two stroke twins with engine out of frame.