Mercury 135 Optimax Operation And Maintenance Manual

GENERAL INFORMATION
17
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

Starting	Electric
Exhaust	Through Prop
Horsepower	135 HP
Fuel Induction System	Direct Fuel Injection
Alternator Amp	60 Amp
Shaft Length	20", 25"
Full Throttle RPM	5250-5750
Steering	Hydraulic