BRP-Rotax
MAINTENANCE MANUAL LINE
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
• worn 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 7.32: 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 58
January 01 2020
Effectivity: 912 Series
Rev. 0