Honda VTwin Horizontal OHV Engine with Electric Start 688cc GX Series Model GX630RHQAF1
Honda VTwin Horizontal OHV Engine With experience born on the raceways and roadways and a dedication to iovation, there’s plenty of reasons to insist on the new Honda GX630 V-Twin engine. There’s superior engine design, with a 90° configuration that reduces vibration and allows a compact footprint. There’s superior construction, with a forged steel crankshaft and an integrated cylinder head. Fewer parts means better durability. There’s a digital CDI ignition coil that ensures improved fuel economy and lowered emissions. There’s even improved air cleaning, meaning that you can wait 5 times longer between filter changes. Honda even gives their engines a 3-year limited warranty.n
Honda VTwin Horizontal Key Specs
| Item# | 166128 |
| Brand | Honda Engines |
| Manufacturer’s Warranty | 3 year limited warranty |
| Ship Weight | 110.0 lbs |
| Engine Displacement | 688 cc |
| Engine Type | GX Series OHV V-Twin commercial-duty |
| Net Power Output | 20.8 HP |
| Start Type | Electric |
| Shaft Diameter | 1 in |
| Shaft Length | 2.9 in |
| Net Torque | 35.6 ft-lbs. |
| Shaft Output | Horizontal |
| Shaft Keyway | 0.25 in |
| Shaft End Tapped (Diameter (in.)/Threads per inch) | 3/8-24 UNF2B |
| Shaft Rotation (From PTO Shaft Side) | Counterclockwise |
| Crankshaft | Q-type |
| PTO Height | 5.25 in |
| Cylinders (qty.) | 2 |
| Cylinder Bore | Integrated |
| Compression Ratio | 9.3:1 |
| Cooling System | Air cooled |
| Bore | 3.1 in |
| Stroke | 2.8 in |
| Air Cleaner Type | Dual element/cylindrical |
| Fuel Tank | No |
| Fuel Type | Gasoline |
| Oil Capacity | 2 qt |
| Low Oil Alert | No |
| Lubrication System | Full pressure |
| Ignition System | Electonic, digital CDI w/variable ignition timing |
| Governor System | Mechanical |
| Carburetor | 2-barrel, fuel cut solenoid, ier vent |
| Throttle Control | Manual |
| Choke Control | Manual |
| Max. RPM | 3,600 |
| Charging System Amps | 17 |
| Muffler Included | No |
| CARB Approval | No |
| Bolt Circle | 5, 6.5, 7.75 in |
| Mounting Base Length | 7.68 in |
| Mounting Base Width | 3.39 to 4.65 in |
| Dimensions L x W x H (in.) | 15.87 x 16.12 x 17.18 in |

