General Specifications
HP / kW
90 HP / 67.0 kW
Displacement
1502 cc (91.7 cu in.)
Cylinders
4 (Inline)
WOT RPM
5300 - 6300
Weight
156 kg / 344 lbs
Drive & Lower Unit
Gear Ratio
2.59:1
Shaft Length
20, 25
Electrical System
Alternator Output 324 Watts
Starting System Electric
Technical Maintenance Toolkit
Verified service specifications for the Suzuki DF90A Lean Burn (2024)
Lubrication
Engine Oil
Suzuki Marine 4-Stroke
Oil Capacity 4 Liters
Gearcase Lube 850 ml
Ignition System
Spark Plug
NGK BKR6E
Gap Setting 0.035"
Firing Order 1-2-3-4
Performance Specs
Idle RPM 700 ± 50
WOT Range 5300-6300
Alternator 324W
Standard Maintenance Intervals
20H Break-in Service
100H Annual Tune-up
300H Water Pump & Seals
Identification
The serial number for the Suzuki DF90A Lean Burn is typically found on a plate located on the transom bracket.
Technical Toolkit
Maintenance Compatibility
These models share common service parts with the Suzuki DF90A Lean Burn:
Model Evolution
History of the Suzuki 90HP series over the years:
Category Discovery
Reference Data
Information compiled from Suzuki Marine factory service manuals and original sales literature published in 2024.