Ryobi RBC52FSBO - CHECKING THE FUEL CAP; Safety and performance checks for the fuel cap.; SPARK PLUG; Information on the correct spark plug type and gap.

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English (Original instructions)
CHECKING THE FUEL CAP
WARNING
A leaking fuel cap is a fi re hazard and must be replaced
immediately.
The fuel cap contains a non-serviceable fi lter and a
check valve. A clogged fuel fi lter will cause poor engine
performance. If performance improves when the fuel cap
is loosened, the check valve may be faulty or the fi lter may
be clogged. Replace fuel cap if required.
SPARK PLUG
This engine uses an L8RTF/NHSP LD, or L8RTF/BOSCH
spark plug or equivalent with 0.5 mm electrode gap. Use
an exact replacement.
CAUTION
Be careful not to cross-thread the spark plug. Cross-
threading will damage the engine.