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Honda V-Twin Vertical OHV Engine with Electric Start — 688cc, GXV Series, 1in. x 3.11in. Shaft, Model# GXV630RHQYF

Item# 166125
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Honda V-Twin Vertical OHV Engine with Electric Start — 688cc, GXV Series, 1in. x 3.11in. Shaft, Model# GXV630RHQYF

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Was $1329.99
Sale $1249.99

Save $80.00

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  • Full pressure lubrication system
  • Forged steel connecting rod
  • Mechanical governor system
  • 50-state compliant engine
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Product Summary

With experience born on the raceways and roadways and a dedication to innovation, there's plenty of reasons to insist on the new Honda GX660 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 gives their engines a 3-year limited warranty.

What's Included
  •  (1) Engine, Model# GXV630RHQYF

Features + Benefits

  • Full pressure lubrication system
  • Forged steel connecting rod
  • Mechanical governor system
  • 50-state compliant engine
Key Specs
Item# 166125
Brand Honda Engines
Manufacturer's Warranty 3 year limited warranty
Ship Weight 113.0 lbs
Engine Displacement (cc) 688
Start Type Electric
Engine Type Air cooled
Net Power Output (HP) 21.5 (16.0 kW) at 3,600 RPM
Net Torque (lbs./ft.) 35.6 (48.3 Nm) at 2,500 RPM
Shaft Diameter (in.) 1
Shaft Length (in.) 3.11
Shaft Rotation (From PTO Shaft Side) Counterclockwise
Cylinders (qty.) 2
Bore x Stroke (in.) 3.1 x 2.8
Compression Ratio 9.3 : 1
Air Cleaner Type Dual element
Oil Capacity (qt.) 2.3
Lubrication System Full pressure
Ignition System Digital CDI
Governor System Mechanical
Carburetor 2-barrel, fuel cut solenoid, inner vent
Bolt Circle (in.) 7 3/4
EPA/CARB Approval (California Air Resource Board) Yes

Customer Reviews

Product Question + Answer
Accessories Frequently Purchased with this Item

You'll Need

Mufflers

High-Mount Muffler for Honda V-Twin Engines — Fits GX630, 660 and 690 Engines, Right/Oil Filter Side Mount, Model# MUF-0560.SIL
High-Mount Muffler for Honda V-Twin Engines — Fits GX630, 660 and 690 Engines, Right/Oil Filter Side Mount, Model# MUF-0560.SIL
Item# 601099
Factory Shipped —
Estimated Delivery: 5 - 7 Business Days
Only $139.99
Add to Cart
High-Mount Muffler for Honda V-Twin Engines — Fits GX630, 660 and 690 Engines, Left/Starter Side Mount, Model# MUF-0560R.SIL
High-Mount Muffler for Honda V-Twin Engines — Fits GX630, 660 and 690 Engines, Left/Starter Side Mount, Model# MUF-0560R.SIL
Item# 601105
Factory Shipped —
Estimated Delivery: 5 - 7 Business Days
Only $139.99
Add to Cart
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Replacement Parts
Call To Order: 1-800-657-0516

Mon - Fri 7:00 AM - 6:00 PM (Central)
Sat 7:00 AM - 3:00 PM (Central)

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Honda V-Twin Vertical OHV Engine with Electric Start — 688cc, GXV Series, 1in. x 3.11in. Shaft, Model# GXV630RHQYF The price is $1,249.99.
Honda V-Twin Vertical OHV Engine with Electric Start — 688cc, GXV Series, 1in. x 3.11in. Shaft, Model# GXV630RHQYF
(Not Yet Rated - New)
Item# 166125
In Stock Online
Was $1329.99
Sale $1249.99
Save $80.00
Hide Similarities
Engine Displacement (cc)
25 160 187 337 688
Start Type
Recoil Recoil Recoil Electric w/recoil backup Electric
Application String trimmer, mini-tiller Walk-behind mower, chipper/vac Billy Goat lawn vac, commercial mower Commerical turf equipment, lawn tractor, riding mower -
Engine Type GX series 4-stroke OHC GCV series OHC commercial-duty GSV series OHC GXV series OHV commercial-duty Air cooled
Net Power Output (HP) 1.0 (.72 kW) at 7,000 RPM 4.4 (3.3 kW) at 3,600 RPM 5.1 (3.8 kW) at 3,600 RPM 8.9 (6.6 kW) at 3,600 RPM 21.5 (16.0 kW) at 3,600 RPM
Net Torque (lbs./ft.) 0.74 (1.0 Nm) at 5,000 RPM 6.9 (9.4 Nm) at 2,500 RPM 8.3 (11.3 Nm) at 2,500 RPM 15.9 (21.6 Nm) at 2,500 RPM 35.6 (48.3 Nm) at 2,500 RPM
Shaft Output Vertical Vertical Vertical Vertical -
Crankshaft - N1 type N1 type - -
Shaft Diameter (in.) Clutch 7/8 7/8 1 1
Shaft Length (in.) Crank/piston assembly 3 5/32 3 5/32 3.11 3.11
Shaft Keyway (in.) - 3/16 3/16 1/4 -
Shaft End Tapped (Diameter (in.)/Threads per inch) - 3/8–24 3/8–24 7/16–20 -
Shaft Rotation (From PTO Shaft Side) Counterclockwise Counterclockwise Counterclockwise Counterclockwise Counterclockwise
PTO Height (in.) 3.4 - - - -
Bearing Type Ball - Ball - -
Cylinders (qty.)
1 1 1 1 2
Cylinder Bore Cast iron Aluminum alloy Cast iron Cast iron -
Bore x Stroke (in.)
1 3/8 x 1 2.5 x 2.0 2.7 x 2.0 3.2 x 2.5 3.1 x 2.8
Compression Ratio
8:1 8.5:1 8.5:1 7.7:1 9.3 : 1
Cooling System Forced air Air cooled Air cooled Air cooled -
Air Cleaner Type
Semi-dry Dry (paper) type Dual element Dual element Dual element
Fuel Tank Yes Yes Yes Yes -
Fuel Type Gasoline Gasoline Gasoline Gasoline -
Fuel Tank Capacity (qt.) 0.61 0.98 0.98 2.2 -
Fuel Pump Accelerator pump in carburetor - Yes - -
Fuel Filter Yes - Yes Mesh fuel filter -
Oil Capacity (qt.)
0.084 0.58 0.58 1.2 2.3
Lubrication System
Oil mist, crankshaft pressure-driven Forced splash Forced splash Pressure/splash Full pressure
Low Oil Alert - - - No -
Ignition System
Transistorized magneto Electronic Electronic Electronic Digital CDI
Governor System
- Centrifugal mechanical Centrifugal mechanical Centrifugal mechanical Mechanical
Carburetor
Diaphragm (overflow return) Float Horizontal butterfly valve Float 2-barrel, fuel cut solenoid, inner vent
Throttle Control Manual Remote (wire) Remote Remote (wire) -
Choke Control Manual Remote (wire) Remote (wire) Remote (wire) -
Max. RPM 7,000 3,600 3,600 3,600 -
Charging System Amps - - - 3 -
Muffler Included Yes Yes Yes Yes -
Flywheel Brake - Yes Yes - -
Auto Compression Release Yes - Yes - -
Bolt Circle (in.)
2.6 8 1/2 8 10 7 3/4
Mounting Base L x W (in.) 2.3 x 2.3 - - - -
Dimensions L x W x H (in.) 7 3/5 x 8 7/10 x 9 1/10 14 3/8 x 13 x 13 13/16 14 3/5 x 13 1/2 x 13 4/5 17 x 15 x 15 7/8 -
EPA/CARB Approval (California Air Resource Board)
Yes Yes Yes Yes Yes