General Specifications
HP / kW
6 HP / 4.5 kW
Displacement
139 cc (8.5 cu in.)
Cylinders
1 (Inline)
WOT RPM
4500 - 5500
Weight
28 kg / 62 lbs
Drive & Lower Unit
Gear Ratio
2.08:1
Shaft Length
15", 20"
Electrical System
Alternator Output None / Magneto Only
Starting System Manual
Technical Maintenance Toolkit
Verified service specifications for the Yamaha F6 Portable (2024)
Lubrication
Engine Oil
Yamalube 4-Stroke
Oil Capacity 0.6 Liters
Gearcase Lube 100 ml
Ignition System
Spark Plug
NGK CR6HSB
Gap Setting 0.028"
Firing Order 1-2-3-4
Performance Specs
Idle RPM 700 ± 50
WOT Range 4500-5500
Alternator None
Standard Maintenance Intervals
20H Break-in Service
100H Annual Tune-up
300H Water Pump & Seals
Identification
The serial number for the Yamaha F6 Portable is typically found on a plate located on the transom bracket.
Technical Toolkit
Maintenance Compatibility
These models share common service parts with the Yamaha F6 Portable:
Category Discovery
Reference Data
Information compiled from Yamaha Marine factory service manuals and original sales literature published in 2024.