Universal Motorcycle Compression Tester

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Compression Tester. This compression tester measures cylinder pressure through the spark-plug hole. Use it to compare cylinder sealing condition after warming the engine and openin g the throttle during the test. Fitment / Compatibility Universal / Custom: Engine diagnostic use only. Confirm spark-plug thread adapter, hose reach, gauge range, and cylinder access. Product Details Use area: Engine compression tester. Before Ordering Confirm adapter thread, hose seal, gauge range, and spark-plug reach before use. Disable ignition/fuel as required and compare readings against the service manual. Show more