Maintenance; Spark Plug - Sachs Bikes MadAss Reparaturanleitung

MAINTENANCE

Spark plug

2
Recommended spark plug: NGK CR7 HSA
CAUTION
Check or change the spark plug only when the engine is
cold.
1
Pull the spark plug connector (1).
Unscrew the spark plug (2).
SFM 649 005.3
Clean any dirt from around the spark plug base.
Visually inspect the spark plug electrodes for wear.
The center electrode (4) should have square edges and the
side electrode (3) should have a constant thickness.
Discard the spark plug if there is apparent wear or if insulator
is cracked or chipped.
Measure the spark plug gap using a wire-type feeler gauge.
3
4
Check the electrode gap (0,7-0,8 mm), replace the plug if it is
severely burnt away.
0,7 - 0,8 mm
Adjust the gap by bending the side electrode carefully. With
the plug washer attached, thread the spark plug in by hand to
prevent cross threading. Tighten the spark plug with a spark
plug wrench to compress the plug washer.
SFM 649 006.3
Torque 20 Nm.
Plug in the connector (1).
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