Honda GX240 User Manual

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SERVICING YOUR ENGINE
IDLE SPEED ADJUSTMENT
THROTTLE STOP SCREW
A loose spark plug can overheat and damage the engine.
Overtightening the spark plug can damage the threads in the
cylinder head.
Attach the spark plug cap.
Start the engine outdoors, and allow it to warm up to operating
temperature.
Move the throttle lever to its slowest position.
Turn the throttle stop screw to obtain the standard idle speed.
1,400 150 rpm
After the spark plug seats, tighten with a 13/16-inch spark plug
wrench to compress the sealing washer.
If reinstalling the used spark plug, tighten 1/8 1/4 turn after the
spark plug seats.
If installing a new spark plug, tighten 1/2 turn after the spark plug
seats.
6.
7.
1.
2.
3.
Standard idle speed:
03/08/21 20:12:15 31ZH9613_039

Honda GX240 Specifications

General

Compression Ratio	8.2:1
PTO Shaft Rotation	Counterclockwise (from PTO shaft side)
Ignition System	Transistorized magneto ignition
Fuel System	Carburetor
Lubrication System	Forced splash
Displacement	242 cm³
Net Power Output	3, 600 rpm
Net Torque	2, 500 rpm
Fuel Tank Capacity	5.3 liters
Oil Capacity	1.1 liters
Starting System	Recoil starter
Dry Weight	25 kg (55 lbs)
Bore x Stroke	73.0 x 58.0 mm (2.9 x 2.3 in)