Model 100199
SPECIFICATIONS
18
Part No. 101049 Rev. B
CHAMPION 439CC ENGINE
The 439cc engine was initially developed by Champion for use in Champion portable generators. The single cylinder, overhead design
provides high output, ef
fi
cient operation, low maintenance and demonstrated long life.
Based on the engine’s power, performance and reliability, it was selected to power the 8.5kW Champion Home Stand by generator. This
engine design has been used in production since 2008.
The following are the engine speci
fi
cations:
• Type
Champion OHV (Over head valve)
• No. of Cylinders
1
• Displacement
439cc
• Cylinder Block
Aluminum with cast-iron sleeve
• Cylinder Head
Automotive harden valves and seats
• Ignition System
Solid state – magneto
• Governor
Mechanical
• Starter
Electric 24V DC
• RPM
3,600
• Oil Capacity
1.2 qt. (1.1 L)
CHAMPION 439 CC ENGINE TORQUE SPECIFICATIONS
• Crankcase Cover Bolts
24.4 Nm (216 in.-lbs)
• Connecting Rod Bolts
18 Nm (156 in.-lbs)
• Rocker Cover Screws
5.4 Nm (48 in.-lbs)
• Cylinder Head Bolts
39 Nm (29 ft-lbs) (348 in.lbs)
• Intake Manifold Screws
9.5 Nm (84 in.-lbs)
• Carburetor to Intake Manifold
9.5 Nm (84 in.-lbs)
• Blower Housing
12.2 Nm (108 in.lbs)
• Flywheel Nut
115 Nm (85 ft-lbs)
• Ignition Coil Bolts
9.5 Nm (84 in.-lbs)
• Starter Motor Bolts
24.4 Nm (216 in.-lbs)
• Spark Plug
20 – 30 Nm (14.8 – 22.1 ft-lbs) (178 in.lbs – 265 in.lbs)
• Air Cleaner box to Carb
9 Nm (84 in.-lbs)
• Exhaust pipe nuts
18 Nm (13 ft.-lbs) (156 in.lbs)
MASTER MIXING ASSEMBLY JETS (CARBURETOR SYSTEM)
• Idle/low-speed Jet
1.8-2.5 Nm (15.9-22.1 in. lbs)
• Main Jet
1.2-1.5 Nm (10.6-13.2 in. lbs)