Echo PB-250 Manuel D'utilisation page 25

Cleaning housing cover
1. Housing cover
Check spark plug
a: 0.6 - 0.7 mm
Maintenance and care
Remove dust of various sorts, including fallen leaves blocking
the housing cover.
IMPORTANT
Do not remove the housing cover. If necessary, Please consult
your dealer.
Tools required: T-Wrench, Feeler gauge
Parts required: Spark plug
IMPORTANT
Use only NGK BPMR8Y spark plug otherwise severe engine
damage may occur.
1. Check plug gap. Correct gap is 0.6 mm to 0.7 mm.
2. Inspect electrode for wear.
3. Inspect insulator for oil or other deposits.
4. Replace plug if needed and tighten to 15 N·m - 17 N·m (150
kgf·cm to 170 kgf·cm).
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