Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
TEST OR INSPECTION
ENGINE LACKS POWER (Continued)
Check the engine compression.
Because automatic compression release engines release compression at 600 rpm, there is a
different compression test procedure for this engine.
Start the engine and run it for fifteen minutes.
Shut the engine OFF and remove the spark plug.
BE CAREFUL when removing the spark plug. Too much force can break the insulator.
Figure 5-143. Spark Plug Cleaning and Removal