Ryobi RY09905 User Manual
17
TROUBLESHOOTING
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM, CONTACT YOUR AUTHORIZED SERVICING DEALER.
PROBLEM
CAUSE
REMEDY
Engine fails to start
No fuel in tank
Spark plug shorted or fouled
Spark plug is broken (cracked
porcelain or electrodes broken)
Ignition lead wire shorted, broken, or
disconnected from spark plug
Ignition inoperative
Spark plug shorted or fouled
Spark plug is broken (cracked
porcelain or electrodes broken)
Ignition lead wire shorted, broken, or
disconnected from spark plug
Ignition inoperative
Fill tank.
Replace spark plug.
Replace spark plug.
Replace spark plug.
Replace spark plug.
Replace lead wire or attach to spark
plug.
Contact authorized service center.
plug.
Contact authorized service center.
Engine hard to start
Water in gasoline or stale fuel mixture
Too much oil in fuel mixture
Engine is under or over choked
Weak spark at spark plug
Engine is under or over choked
Weak spark at spark plug
Drain entire system and refill with fresh
fuel.
Drain and refill with correct mixture.
Adjust choke as necessary.
Contact authorized service center.
fuel.
Drain and refill with correct mixture.
Adjust choke as necessary.
Contact authorized service center.
Engine lacks power
Air filter clogged
Clean air filter. Refer to
Cleaning the
Air Filter Screen earlier in this manual.
Engine overheats
Insufficient oil in fuel mixture
Mix fuel as described in starting
instructions.
instructions.