Ryobi RY28100 Operator's Manual - Page 12

Troubleshooting - carburetor

Page 12 highlights

TROUBLESHOOTING IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER. PROBLEM POSSIBLE CAUSE SOLUTION Engine will not start No spark. Clean or replace spark plug. Reset spark plug gap. Refer to Spark Plug Replacement earlier in this manual. No fuel. Push primer bulb until bulb is full of fuel. If bulb does not fill, primary fuel delivery system is blocked. Contact a service dealer. If primer bulb fills, engine may be flooded, proceed to next item. Engine is flooded. Set the start lever to the START position. Squeeze the trigger and pull the rope repeatedly until the engine starts and runs. NOTE: Depending on the severity of the flooding, this may require numerous pulls of the rope. Engine does not reach full speed and Incorrect lubricant/fuel mixture. emits excessive smoke Air filter screen is dirty. Spark arrestor screen is dirty. Spark plug fouled. Use fresh fuel and the correct 2-cycle lubricant mix. (50:1). Clean air filter screen. Refer to Cleaning Air Filter Screen earlier in this manual. Contact an authorized servicing ­dealer. Clean or replace spark plug. Reset spark plug gap. Refer to Spark Plug Replacement earlier in this manual. Engine starts, runs, and accelerates Idle speed screw on carburetor needs Turn idle speed screw clockwise to but will not idle adjustment. increase idle speed. See Figure 9. 10 - English

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10 — English
TROUBLESHOOTING
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.
PROBLEM
POSSIBLE CAUSE
SOLUTION
Engine will not start
No spark.
No fuel.
Engine is flooded.
Clean or replace spark plug. Reset
spark plug gap. Refer to
Spark Plug
Replacement
earlier in this manual.
Push primer bulb until bulb is full of fuel.
If bulb does not fill, primary fuel delivery
system is blocked. Contact a service
dealer. If primer bulb fills, engine may
be flooded, proceed to next item.
Set the start lever to the START position.
Squeeze the trigger and pull the rope
repeatedly until the engine starts and
runs.
NOTE
: Depending on the severity of
the flooding, this may require numerous
pulls of the rope.
Engine does not reach full speed and
emits excessive smoke
Incorrect lubricant/fuel mixture.
Air filter screen is dirty.
Spark arrestor screen is dirty.
Spark plug fouled.
Use fresh fuel and the correct 2-cycle
lubricant mix. (50:1).
Clean air filter screen. Refer to
Clean-
ing Air Filter
Screen
earlier in this
manual.
Contact an authorized servicing
dealer.
Clean or replace spark plug. Reset
spark plug gap. Refer to
Spark Plug
Replacement
earlier in this manual.
Engine starts, runs, and accelerates
but will not idle
Idle speed screw on carburetor needs
adjustment.
Turn idle speed screw clockwise to
increase idle speed.
See Figure 9.