General Specifications
HP / kW
40 HP / 29.8 kW
Displacement
698 cc (42.6 cu in.)
Cylinders
3 (Inline)
WOT RPM
5000 - 5500
Weight
84 kg / 185 lbs
Drive & Lower Unit
Gear Ratio
1.85:1
Shaft Length
20
Electrical System
Alternator Output 192 Watts
Starting System Electric
Technical Maintenance Toolkit
Verified service specifications for the Mariner 40hp Magnum (2-Stroke) (1995)
Lubrication
Engine Oil
TC-W3 (50:1)
Gearcase Lube 440 ml
Ignition System
Spark Plug
NGK BP8H-N-10
Firing Order 1-2-3-4
Performance Specs
Idle RPM 700 ± 50
WOT Range 5000-5500
Alternator 192W
Standard Maintenance Intervals
20H Break-in Service
100H Annual Tune-up
300H Water Pump & Seals
Identification
The serial number for the Mariner 40hp Magnum (2-Stroke) is typically found on a plate located on the transom bracket.
Technical Toolkit
Maintenance Compatibility
These models share common service parts with the Mariner 40hp Magnum (2-Stroke):
Model Evolution
History of the Mariner 40HP series over the years:
Category Discovery
Reference Data
Information compiled from Mariner Marine factory service manuals and original sales literature published in 1995.