Mercury 300 XS OptiMax Manual page 42

Overspeed rev limit
Idle RPM
Neutral rev limit
Cylinder configuration
Cylinder bore
Stroke
Spark plug
Spark plug gap
Firing order
Maximum timing
Idle timing
Fuel pressure
Air pressure
Gear ratio
Required fuel
Recommended oil
Gearcase oil
Gearcase lubricant capacity
GENERAL INFORMATION
Specifications
20 in.
(Torque Master)
20 in.
(Sport Master)
25 in.
(Sport Master)
30 in.
(Sport Master)
25 in.
(Fleet Master)
30 in.
(Fleet Master)
Torque Master
Sport Master
Fleet Master
92.075 mm (3.625 in.)
78.9 mm (3.110 in.)
NGK IZFR7M
0.81 mm (0.032 in.)
1‑2‑3‑4‑5‑6
Controlled by PCM
Controlled by PCM
655 ± 13.8 kPa (95 ± 2 psi)
758 ± 13.8 kPa (110 ± 2 psi)
Premium unleaded
91 R+M/2 octane (96 RON)
Mercury Racing 2‑Stroke Oil
Mercury Racing Gear Lube
710 ml (24 fl oz)
36
6350 RPM
6350 RPM
5900 RPM
5900 RPM
5900 RPM
5900 RPM
585 RPM
1900 RPM
60° V6
1.62:1
1.75:1
1.62:1
1.75:1
1.75:1
eng