Operation Manual

SERVICING YOUR MOWER
E 35
Spark Plug Service
Recommended spark plug: BPR5ES (NGK)
For good performance, the spark plug must be properly gapped and
free of deposits.
NOTICE
An incorrect spark plug can cause
engine damage.
1. Disconnect the spark plug cap
[1] and remove dirt from the
area.
2. Remove the spark plug [2] with
a spark plug wrench [3].
3. Inspect the plug; replace it if the
electrodes are worn, or if the
insulator is cracked or chipped
4. Set the gap to 0.7 ~ 0.8 mm.
5. Install the spark plug carefully, by
hand, to avoid cross-threading.
6. After the plug seats, tighten it as
follows to compress the sealing
washer [4]:
Old plug: 1/8 to 1/4 turn
New plug: 1/2 turn
NOTICE
A loose spark plug can overheat and
damage the engine. Overtightening
the spark plug can damage the
threads in the cylinder head.
7. Install the spark plug cap on the spark plug.
[2]
[1]
[3]
0.7 ~ 0.8 mm
[4]