Rotax 915 i A SERIES - Installation of Spark Plug

BRP-Rotax
MAINTENANCE MANUAL
Spark plug face Information
oily, glossy coating
Possibly indicates one or more of the following:
• damaged valve stem seal
• misfiring
• too much oil in combustion chamber
• worm cylinder and piston rings
white with formation
of melt beads
Possibly indicates one or more of the following:
• mixture too lean
• leaking valves
INSTALLATION OF SPARK PLUG
Figure 7.19: Spark plugs
1 Ground electrode 2 Head area
Cleaning
m WARNING
Eyes and skin irritation!
Rinse off with water in the case of contact with eyes or skin. May be harmful if
swallowed.
12–20–00
Page 42
December 01 2017
Effectivity: 915 i A Series
Edition 0/Rev. 0