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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

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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
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Item# 703360
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Item# 52767
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4.3 / 5 (9)
Item# 70336
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Hide Similarities
Engine Displacement (cc)
187 160 187 187 163
Start Type
Recoil Recoil Recoil Recoil Recoil
Application Lawn mower, walk-behind string trimmer Lawn mower, chipper/vac, log splitter, pressure washer Pressure washer, tiller, log splitter, walk-behind trimmer Billy Goat lawn vac, commercial mower Walk-behind mower
Engine Type GCV series OHV consumer/commercial GCV series OHV commercial-duty GCV series OHC consumer/commercial GSV series OHC GXV series OHV commercial-duty
Net Power Output (HP) 5.1 (3.8 kW) at 3,600 RPM 4.4 (3.3 kW) at 3,600 RPM 5.1 (3.8 kW) at 3,600 RPM 5.1 (3.8 kW) at 3,600 RPM 4.3 (3.2 kW) at 3,600 RPM
Net Torque (lbs./ft.) 8.3 (11.3 Nm) at 2,500 RPM 6.9 (9.4 Nm) at 2,500 RPM 8.3 (11.3 Nm) at 2,500 RPM 8.3 (11.3 Nm) at 2,500 RPM 7.1 (9.6 Nm) at 2,500 RPM
Shaft Output
Vertical Vertical Vertical Vertical Vertical
Crankshaft N3 (S3) type vertical N3 type N5 type vertical N1 type -
Shaft Diameter (in.) 25mm 63/64 (25mm) 7/8 7/8 7/8
Shaft Length (in.) 3 5/32 3 5/32 1 15/16 (49mm) 3 5/32 3 3/16
Shaft Keyway (in.) 1/4 - 3/16 3/16 -
Shaft End Tapped (Diameter (in.)/Threads per inch) 3/8-24 - - 3/8–24 3/8–24
Shaft Rotation (From PTO Shaft Side) Counterclockwise Counterclockwise Counterclockwise Counterclockwise Counterclockwise
Bearing Type Oil seal - Oil seal Ball -
Cylinders (qty.)
1 1 1 1 1
Cylinder Bore
Aluminum alloy Aluminum alloy Aluminum alloy Cast iron Cast iron
Bore x Stroke (in.)
2.7 x 2 2.5 x 2.0 2.7 x 2 2.7 x 2.0 2.7 x 1.8
Compression Ratio
8.5:1 8.5:1 8.5:1 8.5:1 8.0:1
Cooling System
Air cooled Air cooled Air cooled Air cooled Air cooled
Air Cleaner Type
Dry (paper) Dry (paper) type Dry (paper) Dual element Dual element
Fuel Tank Yes Yes Yes Yes Yes
Fuel Type Gasoline Gasoline Gasoline Gasoline Gasoline
Fuel Tank Capacity (qt.)
0.98 0.98 0.98 0.98 1.9
Fuel Pump - - - Yes -
Fuel Filter Yes - Yes Yes -
Oil Capacity (qt.)
0.58 0.58 0.58 0.58 0.69
Lubrication System
Forced splash Forced splash Forced splash Forced splash Forced splash
Low Oil Alert - - No - -
Low Oil Shutdown - - No - -
Ignition System
Electronic Electronic Electronic Electronic Electronic
Governor System
Centrifugal mechanical Centrifugal mechanical Centrifugal mechanical Centrifugal mechanical Centrifugal mechanical
Carburetor
Horizontal butterfly valve Float Horizontal butterfly valve Horizontal butterfly valve Float
Throttle Control
Fixed - Fixed Remote Manual
Choke Control
Auto return - Manual Remote (wire) Remote (wire)
Max. RPM
3,600 3,600 3,600 3,600 3,600
Muffler Included
Yes Yes Yes Yes Yes
Flywheel Brake
Yes Yes No Yes Yes
Auto Compression Release
Yes - Yes Yes Yes
Bolt Circle (in.)
8 8 1/2 8 1/2 8 8
Dimensions L x W x H (in.)
14 3/8 x 13 x 13 13/16 14 3/8 x 13 x 13 13/16 14 3/8 x 13 x 13 13/16 14 3/5 x 13 1/2 x 13 4/5 16 5/16 x 14 1/8 x 13 7/8
EPA/CARB Approval (California Air Resource Board)
Yes Yes Yes Yes Yes