Troubleshooting - Ryobi RHT2660RN Original Instructions Manual

If these solutions do not solve the problem, contact your authorised service dealer.
PROBLEM
Engine will not start.
Engine starts but will not accelerate.
Engine starts but will only run at high
speed at half choke.
Engine does not reach full speed and
emits excessive smoke.
Engine starts, runs, and accelerates but
will not idle.
NOTE: If your unit exhibits specific performance problem(s) where the Troubleshooting section recommends a clockwise screw
adjustment on the carburetor and no adjustments have been made since original purchase, the unit should be taken to an
authorized service centre for repair. In most cases, the needed adjustment is a simple task for the trained service representative.

TROUBLESHOOTING

POSSIBLE CAUSE
No fuel.
Engine is flooded.
No spark.
Starter rope pulls harder now than when
new.
Engine requires approximately three
minutes to warm up.
Carburetor requires adjustment.
Check lubricant fuel mixture.
Air filter is dirty.
Spark arrestor screen is dirty.
Idle speed screw on carburetor requires
adjustment
11
SOLUTION
Push primer bulb until bulb is full of fuel.
If bulb does not fill, primary fuel delivery
system is blocked. Contact a servicing
dealer. If primer bulb fills, engine may be
flooded, proceed to next item.
Pull starter with choke lever at "Run"
position and wide open throttle. If engine
does not start, move choke lever to
"Full" position and repeat normal starting
procedure. If engine still fails to start,
repeat procedure with a new spark plug.
Check spark. Remove spark plug.
Reattach the spark plug cap and lay
spark plug on metal cylinder. Pull the
starter rope and watch for spark at spark
plug tip. If there is no spark, repeat test
with a new spark plug.
Contact a servicing dealer.
Allow engine to completely warm up. If
engine does not accelerate after three
minutes, contact a servicing dealer.
Contact a servicing dealer.
Use fresh fuel and the correct 2-stroke
lubricant mix.
Clean air filter. Refer to Cleaning the Air
Filter earlier in this manual.
Contact a servicing dealer.
Contact a servicing dealer.