General Specifications
HP / kW
90 HP / 67.0 kW
Displacement
1386 cc (84.6 cu in.)
Cylinders
3 (Inline)
WOT RPM
5000 - 5500
Weight
138 kg / 304 lbs
Drive & Lower Unit
Gear Ratio
2.33:1
Shaft Length
20"
Electrical System
Alternator Output 192 Watts
Starting System Electric
Technical Maintenance Toolkit
Verified service specifications for the Mariner 90hp (2-Stroke) (1995)
Lubrication
Engine Oil
50:1 Pre-mix
Gearcase Lube 440 ml
Ignition System
Spark Plug
NGK BPZ8HS-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 90hp (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 90hp (2-Stroke):
Model Evolution
History of the Mariner 90HP series over the years:
Standalone production year.
Category Discovery
Reference Data
Information compiled from Mariner Marine factory service manuals and original sales literature published in 1995.