Ryobi RY39500 Operator's Manual - Page 13

TROUBLESHOOTING PROBLEM Engine will not start. POSSIBLE CAUSE No spark. No fuel. REMEDY 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 servicing dealer. If primer bulb fills, engine may be flooded, proceed to next item. Engine is flooded. Pull starter three times with choke lever at "RUN". If engine does not start, move choke lever to "START" and repeat normal starting procedure. If engine still fails to start, repeat procedure with a new spark plug. Starter rope pulls harder Contact a servicing dealer. now than when new. Engine starts but will Engine requires approxi- Allow engine to completely warm up. If engine does not accelerate not accelerate. mately three minutes to after three minutes, contact a servicing dealer. warm up. Engine starts but will Carburetor requires only run at high speed ­adjustment. at half choke. Contact a servicing dealer. Engine does not reach full speed and emits excessive smoke. Check lubricant fuel mixture. Air filter screen is dirty. Spark arrestor screen is dirty. Use fresh fuel and the correct 2-cycle lubricant mix. Clean air filter screen. Refer to Cleaning The Air Filter Screen earlier in this manual. Contact a servicing dealer. Engine starts, runs, I d l e s p e e d s c re w o n Turn idle speed screw clockwise to increase idle speed. See fig- and accelerates but ­carburetor needs adjust- ure 11. The blades should not move at idle. will not idle. ment 11 - English