Rotax 125 MAX evo - Inspection of the Spark Plug

BRP-Rotax
REPAIR MANUAL
INSPECTION OF THE SPARK PLUG
Instructions See Figure: Spark plug.
1. Inspect spark plug connector for cracks, burn-off, dampness and fouling.
2. Visual inspection of the spark plug for carbonization, oil fouling and discoloration of the
electrode.
• Pos. 1 = normal
• Pos. 2 = fouled
• Pos. 3 = insulator breakage
• Pos. 4 = melted electrode
• Pos. 5 = oil carbon / deposits
3. Check the electrode gap of the spark plug with a feeler gauge and adjust if required to s =
0.45 mm to 0.7 mm.
ATTENTION
Pay attention to the electrode gap, mentioned in the technical regulation! Bending the
electrode can cause damage or misfire.
Figure 1.14: Spark plug
1
Spark plug
2 Electrode
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Chapter 4
Page 16
Effectivity: 125 MAX evo, Junior MAX
evo, Mini MAX evo, Micro MAX evo
Edition - February 01 2018 /Rev. 0