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SKU 66908 / 66909
Engine misfires
Spark plug wire loose.
1.
Incorrect spark plug gap or
2.
damaged spark plug.
Defective spark plug wire.
3.
Old or low quality gasoline.
4.
Check wire connections.
1.
Re-gap or replace spark plug.
2.
Replace spark plug wire.
3.
Use only fresh 90+ octane unleaded
4.
gasoline, 40:1 mixture with 2-stroke
engine oil.
engine stops
suddenly
Fuel tank empty or full of impure or
1.
low quality gasoline.
Defective fuel tank cap creating
2.
vacuum, preventing proper fuel flow.
Improper idle speed.
3.
Faulty ignition coil or clogged
4.
carburetor.
Clogged fuel filter.
5.
Fill fuel tank with fresh 90+ octane
1.
unleaded gasoline in 40:1 mixture
with 2-stroke engine oil.
Test/replace fuel tank cap.
2.
Properly adjust idle speed.
3.
Have qualified technician diagnose
4.
and service engine.
Replace fuel filter.
5.
saw chain not
rotating up to full
speed.
Saw Chain too tight or too loose.
1.
Air filter needs cleaning or changing.
2.
Adjust Saw Chain.
1.
Check air filter and clean or replace.
2.
poor quality of
cut.
Saw Chain cutters need sharpening.
1.
Saw Chain work or damaged.
2.
Saw Chain depth guides improperly
3.
set.
Sharpen Saw Chain cutters.
1.
Replace worn or damaged Saw
2.
Chain.
File down according to
3.
manufacturer’s recommendations.
Follow all safety precautions whenever diagnosing or servicing the
equipment or engine.