RedMax BC250 Specifications download pdf (Page 36)

9. Maintenance

English

■ FUEL FILTER

• When the engine runs short of fuel supply, check the

fuel cap and the fuel filter for blockage. (MA3)

(1) Fuel filter

■ SPARK PLUG

• Starting failure and mis-firing are often caused by a

fouled spark plug. Periodically clean the spark plug

and check that the spark gap is in the correct range.

For a replacement plug, use the correct type

specified by RedMax/ZENOAH(See SPECIFI-

CATIONS on the page 4). (MA4)

• When you take off the spark plug, twist (1) and pull

off the cap (2). (MA5)

• REPLACEMENT PLUG IS A NGK BPMR7A.

• Note that using any spark plugs other than those

designated may result in the engine failing to operate

properly or in the engine becoming overheated and

damaged.

• To install the spark plug, first turn the plug until it is

finger tight, then tighten it a quarter turn more with a

socket wrench.

TIGHTENING TORQUE:

87~104 in-lbs

(9.8~11.8 N.m.)

■ MUFFLER

• Inspect periodically, the muffler for loose

fasteners, any damage or corrosion. If any sign

of exhaust leakage is found, do not use the

brushcutter and have it repaired immediately.

• Note that failing to do so may result in the engine

catching on fire.

WARNING

IMPORTANT

MA3

.025 in

0.655mm

MA4

MA5

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RedMax BC250 Specifications Page 36