BMW F 650 GS Manual page 58

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Spark plugs
2
56
Changing primary
spark plug
In order to prevent foreign mat-
ter from entering the combus-
tion chamber, allow the sec-
ondary spark plug to remain in
the cylinder head.
The direct ignition coils have
different color codes: take care
not to mix them up. Direct igni-
tion coil of the
primary spark plug: black
secondary spark plug: white
1
• Remove the direct ignition
• Turn direct ignition coil 1 as
• Pry direct ignition coil 1 up
• Remove spark plug 2, using
• Installation is the reverse of
X
Primary spark plug 2 ... 20 Nm
coil of the secondary spark
plug
far as it will go counter-clock-
wise (arrow)
and off, using 0.59 in (15 mm)
open-ended wrench (
the spark plug socket wrench
and extension (
the removal procedure
Tightening torques
2
17)
b
17)
b

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