Inspection And Replacement Of Spark Plugs; Remove The Spark Plugs - Rotax 914 series Maintenance Manual

16.2) Inspection and replacement of spark plugs

See
General note
Because of the differing thermal load, particular spark plugs have been
specified for each engine type.
In numerous tests the best possible heat range has been determined to
make sure that the spark plug will burn off deposits but will not overheat.
NOTES:
Renewal intervals
Ensure that the following spark plugs corresponding to engine type are
Special tool
employed and that the correct spark plug socket is used:
914 Series

16.2.1) Remove the spark plugs

Remove the spark plugs and store them according to cylinder and posi-
Remove
tion. Always replace both spark plugs of a cylinder and do not inter-
change spark plugs between cylinders.
Effectivity: 914 Series
Edition 2 / Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Fig. 33.
Use of incorrect spark plugs can result in ignition prob-
NOTICE
WARNUNG
lems and pre-ignition and consequent engine damage.
See chap. 05-50-00 section: 3.8).
Operation with leaded fuels (e.g. AVGAS 100LL) can re-
sult in increased wear of the spark plugs. Reduce renewal
intervals accordingly.
Engine Part no.
897257
Designation
ND X27EPR-U9 12 mm (0.47 in)
12-20-00
Size of socket
page 69
January 01/2010