Mercury Racing HP565, Manual, Page: 53 / 151

SPECIFICATIONS
eng
41
Engine Operating Limitations
Maximum wide‑open throttle (WOT) RPM 4800–5200 RPM
Rev limit
1.
5500 RPM
Idle RPM in gear 700 RPM
Idle RPM out of gear 800 RPM
Maximum fuel system flow rate
155 L/hr (41 gals/hr) at 5200
RPM
Fuel pressure at idle 300 kPa (43.5 psi)
Fuel pressure at wide‑open throttle 270 kPa (39.2 psi)
Coolant thermostat initially opens at: 62° C (143° F)
Coolant thermostat is wide open at: 70° C (158° F)
Minimum water pressure supplied to the
engine at WOT
172 kPa (25 psi)
Maximum water pressure supplied to the
engine at WOT
345 kPa (50 psi)
Minimum oil pressure at idle (hot) 138–207 kPa (20–30 psi)
Minimum oil pressure at WOT (hot) 331–379 kPa (48–55 psi)
a - Front of engine and boat
b - Firing order 1‑8‑4‑3‑6‑5‑7‑2
1
2
3
4
5
6
7
8
6985
a
b
b
1. Engines are equipped with an ignition system that has a built‑in 5500 RPM rev limiter.
Engine is performing normally if it will not exceed this RPM.