GU-53C
Measurement can be made by a single person since thiscompression tester can be secured by screwing the hoseadapter into the spark plug hole. Screwing of the hose adapterinto the spark plug hole can be performed just by hand requiringno tool. The hose adapter can be connected to anddisconnected from the tester main body by means of a couplerquickly and easily. The long hose adapter as long as 400mmallows easy connection even to a deeply set spark plug like theDOHC.
With three types (10mm,12mm,14mm) of hose adapters provided.this tester can be used with most of reciprocating engines from atwo-wheeled vehicle to a four-wheeled car.