General Specifications
HP / kW
140 HP / 104.3 kW
Displacement
2044 cc (124.7 cu in.)
Cylinders
4 (Inline)
WOT RPM
5000 - 6200
Weight
137 kg / 302 lbs
Drive & Lower Unit
Gear Ratio
2.29:1
Shaft Length
20, 25
Electrical System
Alternator Output 588 Watts
Starting System Electric
Technical Maintenance Toolkit
Verified service specifications for the Suzuki DF140 (2022)
Lubrication
Engine Oil
Suzuki Marine 4-Stroke
Oil Capacity 5.5 Liters
Gearcase Lube 1050 ml
Ignition System
Spark Plug
NGK BKR6E
Gap Setting 0.031"
Firing Order 1-2-3-4
Performance Specs
Idle RPM 700 ± 50
WOT Range 5000-6200
Alternator 588W
Standard Maintenance Intervals
20H Break-in Service
100H Annual Tune-up
300H Water Pump & Seals
Identification
The serial number for the Suzuki DF140 is typically found on a plate located on the transom bracket.
Technical Toolkit
Maintenance Compatibility
These models share common service parts with the Suzuki DF140:
Model Evolution
History of the Suzuki 140HP series over the years:
Category Discovery
Reference Data
Information compiled from Suzuki Marine factory service manuals and original sales literature published in 2022.