Honda GX630 V-Twin 688cc Gas Engine

Replace or upgrade your existing Pressure Washer’s or Pump’s Gas Engine with this reliable choice from Honda. It boasts a 688cc Air-cooled 4-stroke OHC that produces 20.8 HP performance.

Features and Specifications include:

• Bore x Stroke: 78 X 72 mm


• Displacement: 688 cm3


• Net Power Output: 20.8 hp (15.5 kW) @ 3,600 rpm


• Net Torque: 35.6 lbs ft (48.3 Nm) @ 2,500 rpm


• PTO Shaft Rotation: Counterclockwise (from PTO shaft side)


• Compression Ratio: 9.3:1


• Carburetor: Butterfly Horizontal type, two barrel butterfly valve, internal vent


• Ignition System: Digital CDI with variable ignition timing


• Starting System: Electric


• Lubrication System: Forced lubrication


• Governor System: Mechanical


• Air cleaner: Dual element


• Oil Capacity: 2.1 US qt (2.0l)


• Fuel: Unleaded 86 octane or higher


• Approximate Weight: 96.8 lbs.

Please Note: V-Twin Engines do not come equipped with mufflers. If you’d like to add a muffler, please browse our assortment of Honda Mufflers.

This product is available for in-store pick-up or shipping with your Shipping Company or UPS Account Number only. Please call us at 1-800-433-2113 to order.