Honda GX 690RH TXF7 Manual page 37

MAINTENANCE
AIR CLEANER REPLACEMENT
Remove the air cleaner cover (page 3-5).
Remove the wing nut and air cleaner filters (page 3-5).
Wipe dirt from the inside of the air cleaner case and the
air cleaner cover, using a rag.
Check the air cleaner case packing for deterioration or
damage. Make sure the air cleaner packing installed
securely.
Install a new air cleaner filters and tighten the wing nut
securely.
TORQUE: 0.8 N·m (0.08 kgf·m, 0.6 lbf·ft)
Install the air cleaner cover.
SPARK PLUG CHECK/ADJUSTMENT
If the engine has been running, the engine will be
very hot.
Allow it to cool before proceeding.
Remove the spark plug cap (1), and then remove the
spark plug (2) using a spark plug wrench (3).
Visually check the spark plug. Replace the plug if the
insulator (1) is cracked or chipped.
Remove carbon or other deposits with wire brush.
Check the sealing washer (2) for damage.
Replace the spark plug if the sealing washer is
damaged (page 3-7).
Measure the plug gap with a wire-type feeler gauge. If
the measurement is out of the specification, adjust by
bending the side electrode.
PLUG GAP:
Install the spark plug finger-tight to seat the washer,
and then tighten 1/8 – 1/4 turn with a spark plug
wrench.
A loose spark plug can become very hot and can
damage the engine. Overtightening can damage the
threads in the cylinder block.
Install the spark plug cap securely.
3-6
0.7 – 0.8 mm (0.028 – 0.031 in)
(3)
(1)
(2)
(1)
0.7 – 0.8 mm
(0.028 – 0.031 in)
(2)