Cylinder Compression Check; Crankshaft Runout Check - Honda HRG416C1 Manual

dummyhead dummyhead

CYLINDER COMPRESSION CHECK

Gasoline is highly flammable and explosive. You
can be burned or seriously injured when handling
fuel.
• Keep heat, sparks and flame away.
• Handle fuel only outdoors.
• Wipe up spills immediately.
Start the engine and warm up to normal operating
temperature.
Turn the fuel valve to the OFF position, and then drain
the carburetor.
Remove the spark plug cap and the spark plug (page 3-
4).
Pull the recoil starter several times to expel unburned
gas.
Attach a commercially available compression gauge [1]
to the spark plug hole.
Pull the recoil starter forcefully to measure stable
cylinder compression.
CYLINDER COMPRESSION:
0.45 MPa (4.6 kgf/cm

CRANKSHAFT RUNOUT CHECK

When checking the crankshaft runout, do not allow the
dial indicator tip to drop into the keyway.
Use the bolt [1] to rotate the crankshaft.
Record the runout.
CRANKSHAFT RUNOUT: 0.20 mm (0.008 in)
If the crankshaft runout exceeds the service limit,
replace the crankshaft (page 10-7).
2 , 65 psi) / 600 min -1 (rpm)
CRANKSHAFT/PISTON/VALVES
[1]
[1]
10-11