Honda Power Equipment WB20X, WB30X Incorrect spark plugs can cause engine damage.

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SERVICING YOUR PUMP

SPARK PLUG SERVICE

SPARK PLUG CAP

0.028 0.031 in

(0.70 0.80 mm)

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SEALINGWASHER

In order to service the spark plug, you will needa spark plug wrench

(commercially available).

Incorrect spark plugs can cause engine damage.

Disconnect the spark plug cap, and remove any dirt from around the

spark plug area.

Remove the spark plug with a 13/16-inch spark plug wrench.

BPR6ES

W20EPR-U

Inspect the spark plug. Replace

it if the electrodes are worn, or

if the insulator is cracked or

chipped.

Measure the spark plug

electrode gap with a suitable

gauge.

Correct the gap, if necessary, by

carefullybendingtheside

electrode.

The gap should be:

0.03 0.03 in (0.7 0.8 mm)

Recommended spark plug: (NGK)

(DENSO)

07/04/28 15:56:57 31YG3600_036

Contents

Main Page INTRODUCTION 2 INTRODUCTION PUMP SAFETY IMPORTANT SAFETY INFORMATION CONTENTS 4 CONTENTS PUMP SAFETY Page Page COMPONENT & CONTROL LOCATIONS WB20X CONTROLS WB30X Page Page Page BEFORE OPERATION 14 BEFORE OPERATION 15 BEFORE OPERATION OPERATION IMPORTANT SAFETY INFORMATION BEFORE OPERATION Page Page Page Page Page Page Page Page SERVICING YOUR PUMP Page MAINTENANCE SCHEDULE For commercial use, log hours of operation to determine proper maintenance intervals. Service more frequently when used in dusty areas. (2) Failure to follow this maintenance schedule could result in non-warrantable failures. Page Page Page Running the engine with a low oil level can cause engine damage. Page Page Page Incorrect spark plugs can cause engine damage. Page Page STORAGE Distributors Limited Warranty Page Draining the Fuel Tank and Carburetor Page BEFORE OPERATION Page ENGINE TAKING CARE OF UNEXPECTED PROBLEMS 46 TAKING CARE OF UNEXPECTED PROBLEMS PUMP TECHNICAL & CONSUMER INFORMATION Page Page The U.S. and California Clean Air Acts Tampering and Altering Source of Emissions Problems That May Affect Emissions Replacement Parts Maintenance Emission Control System Warranty Specifications Dimensions and weight Engine design and performance Tune up WB20X Pump WB20X (continued) Dimensions and weight Engine design and performance Tune up WB30X Pump WB30X (continued)