90-824052R3 JUNE 20024B-8 - POWERHEAD
Water Pressure Check
Water pressure may be checked by attaching a test
pressure gauge to the top of the engine block.
A water pressure line (GRAY colored) is provided
that exits at the front of the lower cowl. A dash style
gauge may be connected to this line to register water
pressure.
WARNING
Shut off engine and refer to troubleshooting
chart if water pressure is not within specification.
DO NOT exceed 3000 RPM in neutral.Engine
could start when turning flywheel to check timing
pointer adjustment. Remove all spark plugs from
engine to prevent engine from starting.
Idle
1.0 – 3.0 PSI
(6.8 – 20.5 kPa)
Poppet Valve Opening 4 – 9 PSI
(27.4 – 61.6 kPa)
W.O.T. 12.0 PSI (82.1 kPa)
Minimum
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