Rotax 912 i series Service Manual

BRP-Rotax
MAINTENANCE MANUAL LINE
REPLACEMENT OF SPARK PLUGS
General note
ATTENTION
Use of incorrect spark plugs can result in ignition problems and pre-ignition and
consequent engine damage.
See Chapter 05–50–00 section Returning engine to service after submerging in water.
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.
Renewal intervals
NOTE
Operation with leaded fuels (e.g. AVGAS 100LL) can result in increased wear of
the spark plugs. Reduce renewal intervals accordingly.
Spark plugs
See Illustrated parts catalog for the engine type 912 i Series.
REMOVE THE SPARK PLUGS
Remove Remove the spark plugs and store them according to cylinder and position.
INSPECTION OF SPARK PLUGS
Visual check Inspect all spark plugs for mechanical damage.
Electrode gap
NOTE
Inspect the electrode gap also on new spark plugs before installation.
Electrode gap
New Wear limit
0.8 - 0.9 mm (0.031 - 0.035 in) 1.1 mm (0.043 in)
12–20–00
Page 48
September 01/2018
Effectivity: 912 i Series
Edition 2/Rev. 0

Rotax 912 i series Specifications

General

Brand	Rotax
Model	912 i series
Category	Engine
Language	English