The valve setting for both the intake and exhaust is .004" - .006".
Briggs & Stratton Big Block V-Twin Vanguard Engine with Electric Start — 896cc, 31 HP, 1 1/8in. x 4in. Shaft, Model# 543477-3313-J1
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- 896cc engine displacement and 31 HP net power output delivers the power you can trust
- Advanced Debris Management
- Dura-Bore cast iron cylinder sleeve offers improved heat transfer and exceptional durability
- Full pressure lubrication system with spin-on oil filter and oil cooler for smooth operation
- Centrally located oil pump and pickup for easy maintenance
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Specifications
Specifications
Briggs & Stratton Big Block V-Twin Vanguard Engine with Electric Start — 896cc, 31 HP, 1 1/8in. x 4in. Shaft, Model# 543477-3313-J1
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Honda Engines, V-TWIN HORIZONTAL 630CC RQAF1 Engine Displacement 688 cc, Engine Type GX Series OHV V-twin Commercial-duty, Shaft Diameter 1 in, Model# GX630RHXQAF1
Honda Engines, V-TWIN HORIZONTAL 630CC RQXA, Engine Displacement 688 cc, Engine Type GX Series OHV V-twin Commercial-duty, Shaft Diameter 1 in, Model# GX630RHXQXA
Engine Displacement
Same
896 cc
688 cc
688 cc
688 cc
Engine Type
Same
Vanguard V-Twin
GX Series OHV V-twin Commercial-duty
GX Series OHV V-twin Commercial-duty
GX Series OHV V-twin Commercial-duty
Shaft Diameter
Same
1 1/8 in
1 in
1 in
1 in
Shaft Length
Same
4 in
2.9 in
2.9 in
2.9 in
Start Type
Same
Electric
Electric
Electric
Electric
Shaft Keyway
Same
0.25 in
0.25 in
0.25 in
0.25 in
Crankshaft
Same
Horizontal
Q-type
Q-type
Q-type
PTO Height
Same
6.13 in
5.25 in
5.25 in
5.25 in
Cylinders (qty.)
Same
2
2
2
2
Cylinder Bore
Same
Cast Iron
Integrated
Integrated
Integrated
Net Power Output
Same
31 gross HP
20.8 HP
20.8 HP
20.8 HP
Fuel Tank
Same
No
No
No
No
Oil Capacity
Same
2.48 qt
2 qt
2 qt
2 qt
Low Oil Shutdown
Same
No
-
-
-
Low Oil Alert
Same
No
Yes
No
Yes
Shaft Rotation (From PTO Shaft Side)
Same
Counterclockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Governor System
Same
Mechanical
Mechanical
Mechanical
Mechanical
Ignition System
Same
Electronic
Electonic, Digital CDI W/variable Ignition Timing
Electonic, Digital CDI W/variable Ignition Timing
Electonic, Digital CDI W/variable Ignition Timing
Carburetor
Same
Float type
2-barrel, Fuel Cut Solenoid, Inner Vent
2-barrel, Fuel Cut Solenoid, Inner Vent
2-barrel, Fuel Cut Solenoid, Inner Vent
Lubrication System
Same
Full pressure
Full Pressure
Full Pressure
Full Pressure
Bearing Type
Same
Ball
-
-
-
Auto Compression Release
Same
Yes
-
-
-
Cooling System
Same
Air cooled
Air
Air
Air
Bore
Same
3.37 in
3.1 in
3.1 in
3.1 in
Stroke
Same
3.07 in
2.8 in
2.8 in
2.8 in
Air Cleaner Type
Same
Cyclonic with rain cap – Advanced Debris Management system
Dual Element
Dual Element
Dual Element
Choke Control
Same
Yes
Remote
Manual
Remote
Throttle Control
Same
Remote
Remote
Manual
Remote
Fuel Filter
Same
Yes
-
-
-
Charging System Amps
Same
20
20
17
3
Muffler Included
Same
Yes
No
No
No
Net Torque
Same
-
35.6 ft-lbs.
35.6 ft-lbs.
35.6 ft-lbs.
Compression Ratio
Same
-
9.3:1
9.3:1
9.3:1