Honda GX390 QXQ4 Engine

Honda GX390 Engine Q Shaft 1 inch

The Honda GX390 engine is suitable for a wide range of heavy duty applications. Supplied standard with a recoil start the GX390 is also available with the option of electric start. Renowned the world over for longevity & reliability these engines can be found powering construction equipment, garden machinery, tillers, generators, welders, pumps and other industrial applications. There are two engine code variants: the QXQ4 & the SNC. The output shafts differ in size: QXQ4 is 1 inch while the SNC is 25mm

Honda GX390 Engine Features

• A variable ignition timing (digital CDI) results in high power output, reduced fuel consumption and excellent exhaust emissions performance
• OHV design enhances combustion efficiency
• High power-to-displacement ratio
• Easy starting with an automatic decompression system and an easy-to-grip soft recoil starter handle
• High quality materials and purpose-built components which ensure reliable, long-term use
• Meets world's most stringent environmental legislation
• Low fuel and oil consumption
• Reduced vibration and noise levels

Honda GX390 - Tech Specs

• Engine type: 4-stroke single cylinder OHV petrol engine 25° inclined cylinder horizontal shaft
• Cylinder sleeve type: Cast iron sleeve
• Bore x Stroke: 88 x 64 mm
• Displacement: - 389 cm³
• Compression ratio: 8.2 : 1
• Net power: - 8.7 kW - 11.7 HP @ 3600 rpm
• Continuous rated power: - 6.4 kW, 8.6 HP @ 3000 rpm - 7.0 kW 9.4 HP @ 3600 rpm
• Max net torque: - 26.5 Nm / 2.7 kgfm @ 2500 rpm
• Ignition system: - Digital CDI with variable ignition timing
• Starter: - Recoil - electric start optional
• Fuel tank capacity: - 6.1 Litres
• Fuel cons at cont rated power: - 3.5 L/h @ 3600 rpm
• Engine oil capacity: - 1.1 Litre
• Dimensions (L x W x H): - 406 x 460 x 448 mm
• Dry weight: - 31.7 kg