To examine and replace the spark
plug
1. Open the engine cover.
2. Remove the ignition cable shoe and clean around
the spark plug.
3. Remove the spark plug with a ⅝ʺ (16 mm) spark
plug wrench.
4. Examine the spark plug. Replace it if the electrodes
are burned or if the insulation has cracks or
damages. If the spark plug is not damaged, clean it
with a steel brush.
5. Measure the electrode gap and make sure that it is
Technical data on page 29 .
correct. See
6. Bend the side electrode to adjust the electrode gap.
7. Put the spark plug back in and turn it by hand until it
touches the spark plug seat.
8. Tighten the spark plug with the spark plug wrench
until the washer is compressed.
9. Tighten a used spark plug ⅛ of a turn more, and a
new spark plug ¼ turn more.
CAUTION: Spark plugs that are not
tightened correctly can cause damage to
the engine.
10. Replace the ignition cable shoe.
CAUTION: Do not try to start the engine
if the spark plug or ignition cable is
removed.
To replace the main fuse
A blown fuse is identified by a burned connector.
1. Open the engine cover. The main fuse is in a holder
in front of the battery.
2. Pull the fuse from the holder.
850 - 003 - 14.11.2018
3. Replace the blown fuse with a new fuse of the same
type, flat pin 15 A.
4. Replace the covers.
If the main fuse blows again a short period after you
replace it, there is a short circuit. Repair the short circuit
before you operate the product again. Let an approved
service agent help you.
To replace a broken lamp
For R 216T AWD only.
1. Remove the 2 screws and remove the lamp cover.
2. Disconnect the cables from the broken lamp.
3. Carefully push in the lock mechanism and tilt the
lamp to remove it from the brackets.
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