Honda - GX 25

Quality and performance come standard.
Honda applied our superior engine technology to create the world’s first 360° inclinable 4-Stroke engines. The ultra-lightweight GX25 Mini 4-Stroke efficiently delivers the kind of efficient, clean, powerful and quiet performance that you’d expect from a larger engine, but in a very compact package.

Advanced Technology

• 4-stroke – no fuel/oil mixing
• Full 360° “any-side-up” operation – use and store in any position
• Exclusive rotary-slinger lubrication system
• The world’s lightest OHC engine

Fuel Efficient, High-Output Operation

• Approximately half the operating cost of comparable 2-stroke engines
• Efficient port configuration and large diameter valves maximize power output
• Lighter, more rigid valve train
• Carburetor equipped with accelerator pump for fast, easy acceleration

Smooth Performance

• Precision-engineered components result in lower vibration
• Lighter piston minimizes vibration
• Ball bearing supported crankshaft for greater stability
• Roller bearing supported connecting rod

Exceptionally Quiet

• Belt-driven OHC design reduces mechanical noise
• Large capacity, multi-chamber exhaust system
• Sophisticated air intake system

Proven reliability

• High-quality materials, fit, and finish
• Lifetime timing belt design
• Integrated fuel system protection
• Diaphragm carburetor

Easy to use and maintain

• Easily accessible spark plug
• Easy to drain and re-fill oil
• No mixing of gas and oil

Easy starting

• Exhaust decompression system
• Unique low-inertia design

Emissions compliant

• CARB and EPA certified
• No catalyst necessary

Available options

• Special designs for horizontal and vertical applications available