General Specifications
HP / kW
25 HP / 18.6 kW
Displacement
489 cc (29.8 cu in.)
Cylinders
2 (Inline)
WOT RPM
5000 - 6000
Weight
62 kg / 137 lbs
Drive & Lower Unit
Gear Ratio
2.09:1
Shaft Length
15, 20
Electrical System
Alternator Output 180 Watts
Starting System Manual/Electric
Technical Maintenance Toolkit
Verified service specifications for the Suzuki DF25A Portable (2024)
Lubrication
Engine Oil
10W-40 FC-W
Oil Capacity 1.5 Liters
Gearcase Lube 230 ml
Ignition System
Spark Plug
NGK CPR6EA-9
Gap Setting 0.035"
Firing Order 1-2-3-4
Performance Specs
Idle RPM 700 ± 50
WOT Range 5000-6000
Alternator 180W
Standard Maintenance Intervals
20H Break-in Service
100H Annual Tune-up
300H Water Pump & Seals
Identification
The serial number for the Suzuki DF25A Portable is typically found on a plate located on the transom bracket.
Technical Toolkit
Maintenance Compatibility
These models share common service parts with the Suzuki DF25A Portable:
Category Discovery
Reference Data
Information compiled from Suzuki Marine factory service manuals and original sales literature published in 2024.