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109989 Honda GS190 Engine with OHV Design, 187cc, 5.2 HP
The 109989 is a Honda GS190 series engine. This powerful, air-cooled, 4-stroke engine features a recoil starting system and a dual element air filter.
The 109989 is one of the lightest Honda engines in this class while maintaining reliable and quiet operation. It features cast iron-lined cylinders, a ball bearing supported crankshaft, and a precision-engineered components.
With its small build and powerful design, the 109989 is commonly used on generators, water pumps, pressure washers, and many other small engine applications.
Features of the 109989 Engine
- Lightweight design with a compact combustion chamber and overhead valve design.
- This engine runs with low vibrations, reducing noise and wear.
- Its ball bearing-supported crankshaft helps to reduce vibrational wear.
- Oil drain and oil fill are both easy to access and maintain.
- Utilizes an electronic ignition starter.
109989 Engine Specifications
Net Power Rating: 5.2 HP
net Torque: 8.3 lb-ft. at 2500 RPM
Engine Displacement: 187 cc
Compression Ratio: 8.5:1
Engine Oil Capacity: 19.5 fl. oz.
Fuel Tank Capacity: 1.9 qt.
Stroke Type: 4-Stroke
Shaft Rotation Direction: Counterclockwise
Bore x Stroke: 2.7 x 2.0 in.
Alternate Part Numbers
Honda Engine Number: GS190LAX-QHAF
Honda Series Number: GS190
Engine Part Number: 109989