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Honda Vertical OHC Engine — 187cc, GCV Series, 25mm x 3 5/32in. Shaft, Model# GCV190LAS3L-BLK

Item# 51293
Honda Vertical OHC Engine — 187cc, GCV Series, 25mm x 3 5/32in. Shaft, Model# GCV190LAS3L-BLK

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Was $219.99
Sale $199.99

Save $20.00

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  • Air-cooled, 4-stroke, single cylinder engine
  • Utilizes Honda's latest overhead cam technology
  • Internal timing belt for incredibly quiet operation
  • 8in. flange mount bolt circle
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Product Summary

This Honda Vertical OHC Engine is an ideal choice for home and light industrial use and powers lawn mowers and walk-behind trimmers. Does not fit Honda PE mowers with metric shaft. Incredibly quiet, utilizing an internal timing belt. 50-state compliant engine.

What's Included
  •  (1) Engine, Model# GCV190LAS3L-BLK

Features + Benefits

  • Air-cooled, 4-stroke, single cylinder engine
  • Utilizes Honda's latest overhead cam technology
  • Internal timing belt for incredibly quiet operation
  • 8in. flange mount bolt circle
Key Specs
Item# 51293
Brand Honda Engines
Manufacturer's Warranty 24 months consumer / 90 day commercial
Ship Weight 27.0 lbs
Engine Displacement (cc) 187
Start Type Recoil
Application Lawn mower, walk-behind string trimmer
Engine Type GCV series OHV consumer/commercial
Net Power Output (HP) 5.1 (3.8 kW) at 3,600 RPM
Net Torque (lbs./ft.) 8.3 (11.3 Nm) at 2,500 RPM
Shaft Output Vertical
Crankshaft N3 (S3) type vertical
Shaft Diameter (in.) 25mm
Shaft Length (in.) 3 5/32
Shaft Keyway (in.) 1/4
Shaft End Tapped (Diameter (in.)/Threads per inch) 3/8-24
Shaft Rotation (From PTO Shaft Side) Counterclockwise
Bearing Type Oil seal
Cylinders (qty.) 1
Cylinder Bore Aluminum alloy
Bore x Stroke (in.) 2.7 x 2
Compression Ratio 8.5:1
Cooling System Air cooled
Air Cleaner Type Dry (paper)
Fuel Tank Yes
Fuel Type Gasoline
Fuel Tank Capacity (qt.) 0.98
Fuel Filter Yes
Oil Capacity (qt.) 0.58
Lubrication System Forced splash
Ignition System Electronic
Governor System Centrifugal mechanical
Carburetor Horizontal butterfly valve
Throttle Control Fixed
Choke Control Auto return
Max. RPM 3,600
Muffler Included Yes
Flywheel Brake Yes
Auto Compression Release Yes
Bolt Circle (in.) 8
Dimensions L x W x H (in.) 14 3/8 x 13 x 13 13/16
EPA/CARB Approval (California Air Resource Board) Yes

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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 Vertical OHC Engine — 187cc, GCV Series, 25mm x 3 5/32in. Shaft, Model# GCV190LAS3L-BLK The price is $199.99.
Honda Vertical OHC Engine — 187cc, GCV Series, 25mm x 3 5/32in. Shaft, Model# GCV190LAS3L-BLK
4 / 5 (1)
Item# 51293
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Was $219.99
Sale $199.99
Save $20.00
5 / 5 (1)
Item# 44259
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4.4 / 5 (13)
Item# 70436
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5 / 5 (2)
Item# 44257
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Was $289.99
Sale $274.99
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5 / 5 (3)
Item# 70111
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Was $879.99
Sale $829.99
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Hide Similarities
Engine Displacement (cc)
187 25 160 187 337
Start Type
Recoil Recoil Recoil Recoil Electric w/recoil backup
Application Lawn mower, walk-behind string trimmer String trimmer, mini-tiller Walk-behind mower, chipper/vac Billy Goat lawn vac, commercial mower Commerical turf equipment, lawn tractor, riding mower
Engine Type GCV series OHV consumer/commercial GX series 4-stroke OHC GCV series OHC commercial-duty GSV series OHC GXV series OHV commercial-duty
Net Power Output (HP) 5.1 (3.8 kW) at 3,600 RPM 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
Net Torque (lbs./ft.) 8.3 (11.3 Nm) at 2,500 RPM 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
Shaft Output
Vertical Vertical Vertical Vertical Vertical
Crankshaft N3 (S3) type vertical - N1 type N1 type -
Shaft Diameter (in.) 25mm Clutch 7/8 7/8 1
Shaft Length (in.) 3 5/32 Crank/piston assembly 3 5/32 3 5/32 3.11
Shaft Keyway (in.)
1/4 - 3/16 3/16 1/4
Shaft End Tapped (Diameter (in.)/Threads per inch) 3/8-24 - 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 Oil seal Ball - Ball -
Cylinders (qty.)
1 1 1 1 1
Cylinder Bore
Aluminum alloy Cast iron Aluminum alloy Cast iron Cast iron
Bore x Stroke (in.)
2.7 x 2 1 3/8 x 1 2.5 x 2.0 2.7 x 2.0 3.2 x 2.5
Compression Ratio
8.5:1 8:1 8.5:1 8.5:1 7.7:1
Cooling System
Air cooled Forced air Air cooled Air cooled Air cooled
Air Cleaner Type
Dry (paper) Semi-dry Dry (paper) type Dual element Dual element
Fuel Tank Yes Yes Yes Yes Yes
Fuel Type Gasoline Gasoline Gasoline Gasoline Gasoline
Fuel Tank Capacity (qt.)
0.98 0.61 0.98 0.98 2.2
Fuel Pump - Accelerator pump in carburetor - Yes -
Fuel Filter
Yes Yes - Yes Mesh fuel filter
Oil Capacity (qt.)
0.58 0.084 0.58 0.58 1.2
Lubrication System
Forced splash Oil mist, crankshaft pressure-driven Forced splash Forced splash Pressure/splash
Low Oil Alert
- - - - No
Ignition System
Electronic Transistorized magneto Electronic Electronic Electronic
Governor System
Centrifugal mechanical - Centrifugal mechanical Centrifugal mechanical Centrifugal mechanical
Carburetor
Horizontal butterfly valve Diaphragm (overflow return) Float Horizontal butterfly valve Float
Throttle Control
Fixed Manual Remote (wire) Remote Remote (wire)
Choke Control
Auto return Manual Remote (wire) Remote (wire) Remote (wire)
Max. RPM
3,600 7,000 3,600 3,600 3,600
Charging System Amps - - - - 3
Muffler Included
Yes Yes Yes Yes Yes
Flywheel Brake Yes - Yes Yes -
Auto Compression Release Yes Yes - Yes -
Bolt Circle (in.)
8 2.6 8 1/2 8 10
Mounting Base L x W (in.) - 2.3 x 2.3 - - -
Dimensions L x W x H (in.)
14 3/8 x 13 x 13 13/16 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