For Tune Up

Inductive Tachometer P N YU-08036 90890 03113 This tool is needed for detecting engine rpm. 2. Inductive Timing Light P N YM-33277 - A 90890-03109 This tool is necessary for checking ignition timing. 3, Compression Gauge P N YU-33223 90890 03081 This gauge is used to measure the engine compression. 4. Fuel Level Gauge P N YM-01312 90890-01312 This gauge is used to measure the fuel level in the float chambcr.