12-6
Replacing the spark plugs
NOTE: the carburetors are dismounted during the 15000 km inspection
to check/adjust the valve clearance. This work is described in Chapter 3
and will not be described in detail at this point.
– Disconnect the cable connectors (
1
and
2
) from both ignition coils.
– Pull the ignition coils out of the spark plug shafts.
– Unscrew the spark plugs with the special tool 600.29.073.000.
– Check the new spark plugs for the correct electrode distance. The
distance should be 0.6 mm.
– Insert new spark plugs with the special tool 600.29.073.000 and
tighten to 12 Nm.
!
CAUTION
!
D
O NOT EXCEED THE FIXED TORQUE SINCE SPARK PLUGS BREAK EASILY
.
– Insert the ignition coils in the spark plug shafts and push to the stop
by hand.
NOTE: if you are checking the valve clearance, insert the ignition coils later.
!
CAUTION
!
– D
O NOT INSTALL THE IGNITION COILS WITH A HAMMER OR SIMILAR TOOL
.
– T
URN THE CONNECTIONS ON THE IGNITION COILS SO THEY DO NOT COME CLOSE
TO THE VALVE COVER BOLTS
(
SEE PHOTOS
)
SINCE THIS COULD CAUSE
ELECTROMAGNETIC INTERFERENCE
.
– Connect the cable connectors to both ignition coils.
1
2