TROUBLESHOOTING

PROBLEM

CAUSE

REMEDY

Engine fails to start.

Engine switch is in the off position.

Move switch to start.

 

No fuel in tank.

Fill tank.

 

Spark plug shorted or fouled.

Replace spark plug.

 

Spark plug is broken (cracked

Replace spark plug.

 

porcelain or electrodes broken).

 

 

Ignition lead wire shorted, broken, or

Replace lead wire or attach to spark

 

disconnected from spark plug.

plug.

 

Ignition inoperative.

Contact authorized service center.

 

 

 

Engine hard to start.

Water in gasoline or stale fuel mixture.

Drain entire system and refill with fresh

 

 

fuel.

 

Too much oil in fuel mixture.

Drain and refill with correct mixture.

 

Engine is under or over choked.

Adjust choke as necessary.

 

Weak spark at spark plug.

Contact authorized service center.

 

 

 

Engine lacks power.

Air filter clogged.

Clean or replace air filter.

 

 

 

Engine overheats.

Insufficient oil in fuel mixture.

Mix fuel as described in starting

 

 

instructions.

 

 

 

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Ryobi Outdoor RY60511A manual Troubleshooting, Problem Cause Remedy