Little Wonder Tiller/Cultivator - Manual (Page 24)

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5. Engine lacks power. Air filter clogged.
Carburetor out of adjustment.
Muffler clogged.
Clogged exhaust ports.
Spark Arrestor Clogged.
Poor compression.
Clean or replace air filter.
See “Carburetor Adjustment”.
Clean carbon from muffler.
Remove muffler, rotate engine
until the piston is at top of
cylinder. With a wooden
scraper or blunt tool, remove
all carbon from exhaust ports.
Be careful not to scratch or
damage piston or cylinder
walls. Blow out all loose carbon
with compressed air. Install
muffler and gasket.
Clean Spark Arrestor
Contact your local authorized
dealer.
6. Engine overheats. Insufficient oil in fuel mixture
Air flow obstructed
Mix fuel as described in starting
instructions.
Clean flywheel cylinder fins and
screen.
7. Engine noisy or knocking. Spark plug in incorrect heat range.
Bearings, piston ring or cylinder
walls are worn.
Replace with plugs specified for
engine.
Contact your local authorized
dealer.
8. Engine stalls under load. Carburetor adjustment too “lean”.
Engine overheats. See “Carburetor Adjustment”.
Remove dust and dirt from
between fins.
Problem Cause Remedy
TROUBLE SHOOTING
(continued)
ENGINE SPECIFICATIONS
Dry Weight 2.5kg — 5 lbs., 10 ounces
Type of Engine Air Cooled, Two stroke, Single-Cylinder, Gasoline Engine
Rotation Clockwise, viewed from TOP
Bore 32.2 mm (1.268 in.)
Stroke 26.0 mm (1.04 in.)
Spark Plug NGK BPM7Y
Fuel Premixed two stroke fuel
Fuel Oil Ratio 50:1 ratio with MANTIS oil
Gasoline Unleaded (see page 9)
Displacement 21.2 cc (1.294 cu. in.)
Exhaust System Spark arrester muffler
Carburetor ZAMA diaphragm model C1U type
Ignition System Flywheel magneto, capacitor discharge ignition type
Starter Automatic rewind type
Oil Designated, two-stroke, air-cooled engine oil
Fuel Tank Capacity 0.4 lit. (13.57 oz.)
Starter System Clutch Automatic rewind starter Centrifugal type