General Specifications
HP / kW
90 HP / 67.0 kW
Displacement
1632 cc (99.6 cu in.)
Cylinders
4 (V4 90°)
WOT RPM
4500 - 5500
Weight
140 kg / 309 lbs
Drive & Lower Unit
Gear Ratio
2.00:1
Shaft Length
20
Electrical System
Alternator Output 100 Watts
Starting System Electric
Technical Maintenance Toolkit
Verified service specifications for the Johnson 90hp V4 (2-Stroke) (1995)
Lubrication
Engine Oil
0 50:1 Pre-mix or VRO
Gearcase Lube 769 ml
Ignition System
Spark Plug
Champion QL77JC4
Gap Setting 0.030"
Firing Order 1-2-3-4
Performance Specs
Idle RPM 700 ± 50
WOT Range 4500-5500
Alternator 100W
Standard Maintenance Intervals
20H Break-in Service
100H Annual Tune-up
300H Water Pump & Seals
Identification
The serial number for the Johnson 90hp V4 (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 Johnson 90hp V4 (2-Stroke):
Model Evolution
History of the Johnson 90HP series over the years:
Category Discovery
Reference Data
Information compiled from Johnson Marine factory service manuals and original sales literature published in 1995.