Ryobi 775r, 767r manual Troubleshooting, Problem Cause Action

TROUBLESHOOTING

PROBLEM

CAUSE

ACTION

Engine will not start	Ignition switch is OFF	Turn switch to ON
	Empty fuel tank	Fill fuel tank
	Primer bulb wasn't pressed	Press primer bulb fully and slowly
	enough	5-7 times
	Engine flooded	Use starting procedure with choke
		lever in the RUN position Pg. 13
	Old or Improperly Mixed Fuel	Drain fuel tank / Add fresh fuel
		mixture
	Fouled spark plug	Replace or clean the spark plug
Engine will not idle	Air Filter is Plugged	Replace or clean the air filter
	Old or Improperly Mixed Fuel	Drain fuel tank / Add fresh fuel
		mixture
Low idle speed	Improper carburetor	Adjust per instruction Pg. 21
	adjustment
Engine will not accelerate	Old or Improperly Mixed Fuel	Drain fuel tank / Add fresh fuel
		mixture
	Improper carburetor	Take to an authorized service
	adjustment	dealer for carburetor adjustment
Engine lacks power or	Cutting head bound with grass	Stop the engine and clean the
stalls when cutting		cutting attachment
	Dirty air filter	Clean or replace the air filter
	Old or Improperly Mixed Fuel	Drain fuel tank / Add fresh fuel
		mixture
	Improper carburetor	Take to an authorized service
	adjustment	dealer for carburetor adjustment
Cutting head will not	Cutting head bound with grass	Stop the engine and clean cutting
advance line
		attachment
	Cutting head out of line	Refill with new line
	Inner reel bound up	Replace the inner reel
	Cutting head dirty	Clean inner reel and outer spool
	Line welded	Disassemble, remove the welded
		section and rewind the line
	Line twisted when refilled	Disassemble and rewind the line
	Not enough line is exposed	Push the Bump Knob and pull out
		line until 4 in. (102 mm.) of line is
		outside of the cutting attachment
Cutting line advances	Oil in cutting head	Clean the cutting attachment
uncontrollably

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