Crankcase Breather; Fuel Lines; Spark Plugs - Honda CM 185T 1981 Manual

INSPECTION/ADJUSTMENT

CRANKCASE BREATHER

Remove drain plug f r o m tube, and drain
deposits.
Reinstall drain plug.
NOTE
Service more frequently when driven in
rainy conditions or at wide open throttle,
or if deposit level can be seen in the
transparent section of drain tube.

FUEL LINES

have deterioration,
Replace any parts which
damage, or leakage.
SPARK PLUG
Disconnect the spark plug cap and remove the
spark plugs w i t h a spark plug wrench.
Visually inspect the spark plug electrodes for
wear. The center electiode should have square
edges and the side electrode should have a
constant thickness.
Discard the spark plug if there is apparent
wear or if the insulator is cracked or chipped.
If the spark plug deposits can be removed by
sandblasting or wire brushing, the spark plug
can be reused. Inspect the gap w i t h a gauge
and adjust by bending the side electrode.
SPARK PLUG GAP: 0 . 6 - 0 . 7 mm
( 0 . 0 2 4 - 0 . 0 2 8 in.)
RECOMMENDED REPLACEMENT:
For cold climate:
U20FS (ND) or C6H (NGK)
below 5°C ( 4 1 2 F )
Standard: U22FS (ND) or C7HS (NGK)
For extended high
U24FB (ND) or C9H (NGK)
speed driving:
Check the spark plug sealing washer and replace
w i t h a new one if damaged.
NOTE
To install, t u r n finger tight then tighten
w i t h a spark plug wrench.
Date of Issue: December. 1977
© H O N D A MOTOR CO., L T D .
CHECK: GAP
0 . 6 - 0 . 7 m m
( 0 . 0 2 4 - 0 . 0 2 8 in.)
CHECK: S E A L I N G WASHER
CHECK: D A M A G E
DEPOSIT
DIRT
WEAR
DAMAGE
CRACKS
3-3