Mercury 135 Optimax User Manual

GENERAL INFORMATION
15
Models 135 150 175
Kilowatts 100.7 111.9 130.5
Full Throttle RPM Speed 5000‑5500 RPM 5250‑5750 RPM
Idle Speed in Forward
Gear
550 ± 25 RPM
Number of Cylinders 6
Piston Displacement 2508 cc (153 cu. in.)
Cylinder Bore 88.4 mm (3.500 in.)
Piston Stroke 67.3 mm (2.650 in.)
Recommended Spark
Plug
NGK IZFR5G
Spark Plug Gap 0.8 mm (0.031 in.)
Standard Gearcase Gear
Ratio
2.00:1 1.87:1
High Altitude Gearcase
Gear Ratio
2.30:1 2.00:1
Recommended Gasoline Refer to Fuel & Oil
Recommended Oil Refer to Fuel & Oil
Gearcase Lubricant
Capacity
665 ml (22.5 fl. oz.)
Battery Rating
1000 Marine Cranking Amps (MCA) or 800 Cold Cranking
Amps (CCA)
Charging System Output 60 Amps

Mercury 135 Optimax Specifications

General

Brand	Mercury
Model	135 Optimax
Category	Outboard Motor
Language	English