TROUBLE SHOOTING (continued)

 

Problem

 

Cause

 

 

Remedy

 

 

 

 

 

 

 

 

7.

Engine lacks power.

Air filter clogged.

 

Clean or replace air filter.

 

 

• Carburetor out of adjustment.

 

• See “Carburetor Adjustment”.

 

 

• Muffler clogged.

 

• Clean carbon from muffler.

 

 

• Clogged exhaust ports.

 

• 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.

 

 

• Spark Arrestor Clogged.

 

• Clean Spark Arrestor

 

 

• Poor compression.

 

• Contact your local authorized

 

 

 

 

 

 

dealer.

 

 

 

 

 

 

 

 

8.

Engine overheats.

Insufficient oil in fuel mixture

 

Mix fuel as described in starting

 

 

 

 

 

 

instructions.

 

 

Air flow obstructed

 

Clean flywheel cylinder fins

 

 

 

 

 

 

and screen.

 

 

 

 

 

 

 

 

9.

Engine noisy or knocking.

Spark plug in incorrect heat

 

Replace with plugs specified for

 

 

 

range.

 

 

engine.

 

 

Bearings, piston ring or cylinder

 

• Contact your local authorized

 

 

 

walls are worn.

 

 

dealer.

 

 

 

 

 

 

 

10. Engine stalls under load.

Carburetor adjustment too “lean”.

 

See “Carburetor Adjustment”.

 

 

• Engine overheats.

 

• Remove dust and dirt from

 

 

 

 

 

 

between fins.

 

 

 

 

 

 

ENGINE SPECIFICATIONS

 

 

 

 

Dry Weight

 

2.8kg — 6 lbs., 3 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 BPM8Y

 

 

 

 

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

 

0.5 lit. (17.0 oz.)

 

 

 

24

Page 24
Image 24
Little Wonder Tiller/Cultivator owner manual Trouble Shooting, Engine Specifications

Tiller/Cultivator specifications

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