Honda GC190 MHA2 Horizontal Engine

The Honda GC190 MHA2 is a 190cc, air-cooled, 4-stroke, horizontal-shaft engine designed for light-duty residential and commercial applications. This engine is known for its reliability, fuel efficiency, and ease of use, making it ideal for small equipment like lawn mowers, pressure washers, generators, and other light-duty machinery. The GC190 MHA2 features a manual recoil starter for easy starting and is built with Honda’s renowned durability and low-maintenance design.

Key Features and Specifications:

Engine Type:

• Engine Model: Honda GC190 MHA2

• Type: 4-stroke, single-cylinder, overhead valve (OHV), air-cooled

• Displacement: 190cc

• Bore x Stroke: 68mm x 54mm

• Compression Ratio: 8.5:1

• Ignition System: Transistorized ignition (TCI)

• Fuel System: Diaphragm-type carburetor with single choke

• Lubrication System: Splash lubrication (no oil filter)

• Cooling System: Air-cooled

Performance:

• Maximum Output: 5.0 HP (3.7 kW) @ 3,600 RPM

• Maximum Torque: 12.3 Nm @ 2,500 RPM

• Fuel Consumption: Approx. 1.2 L/h (at 3,600 RPM)

• Fuel Tank Capacity: 3.1 liters

• Oil Capacity: 0.6 liters

• Recommended Fuel: Unleaded gasoline (87 octane or higher)

Starting System:

• Starting System: Recoil starter (manual pull-start)

Shaft and Mounting:

• Shaft Type: Horizontal shaft with keyway

• Shaft Diameter: 3/4 inch (19.05 mm)

• Shaft Length: 2.4 inches (60 mm)

• Keyway: Yes, for secure attachment of accessories

Dimensions and Weight:

• Dimensions (L x W x H): 318mm x 358mm x 318mm

• Dry Weight: 15.4 kg (34 lbs)

Additional Features:

• Low Oil Alert: While not typically found in the GC190 series, some models may have a low oil alert feature to prevent engine damage when oil levels are low.

• Air Filter: Standard paper-element air filter for cleaner air intake and longer engine life.

• Muffler: Standard muffler that reduces noise emissions and helps with engine cooling.

• Maintenance: Simple design for easy maintenance, including accessible oil fill and drain areas.

• Vibration Reduction: Engine is designed to minimize vibration, providing a smoother and more comfortable user experience.

Applications:

The Honda GC190 MHA2 engine is ideal for use in light-duty residential and commercial applications such as:

• Lawn mowers

• Pressure washers

• Garden equipment

• Small generators

• Snow throwers

• Tillers and other small outdoor equipment