Specifications—500R
ENGINE OPERATION AND PERFORMANCE SPECIFICATIONS
Refer to the following tables for engine operation and performance
specifications. This information will help set up a new boat for maximum
performance and reliability, and provide information about certain operating
conditions that may reduce performance.
Engine Performance
Wide‑open throttle
(WOT) engine RPM
range
6000–6600 RPM
Peak power RPM range 6400–6600 RPM
Peak torque 4250 RPM
Block Water Pressure at WOT (6000–6600 RPM)
Nominal 150–200 kPa (21.8–29.0 psi)
Marginal high pressure 200–250 kPa (29.0–36.3 psi)
Marginal low pressure (refer to
IMPORTANT remark following
this table)
125–150 kPa (18.1–21.8 psi)
Critical high pressure More than 300 kPa (43.5 psi)
IMPORTANT:Marginal low water pressure can cause the exhaust gas
temperature (EGT) and intake air temperature (IAT) to rise, causing Engine
Guardian to limit engine power during hot ambient temperature conditions. EGT
or IAT readings that are too high will sound the warning horn and display a
message on the VesselView display (if installed).
Critical low water pressure can cause the exhaust gas temperature (EGT) and
intake air temperature (IAT) to rise, causing Engine Guardian to limit engine
power during normal ambient temperature conditions. EGT or IAT readings
that are too high will sound the warning horn and display a message on the
VesselView display (if installed).
IMPORTANT:Water pressure above the critical high pressure limit will sound
the warning horn and display a message on the VesselView display (if
installed). It will also cause Engine Guardian to limit engine power to prevent
damage to the cooling system. If the water pressure is consistently high, a
pressure relief valve kit should be installed.
Block Water Temperature
Thermostat opening 71.1 °C (160 °F)
Nominal operating temperature 67–76 °C (152.6–168.8 °F)
Marginal operating temperature
(hot)
77–80 °C (170.6–176 °F)
GENERAL INFORMATION
eng 17
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