MTD BCR4 ENGINE WILL NOT START, ENGINE WILL NOT IDLE, ENGINE WILL NOT ACCELERATE, ENGINE LACKS POWER OR STALLS WHEN CUTTING, CUTTING HEAD WILL NOT ADVANCE LINE

TROUBLESHOOTING GUIDE

ENGINE WILL NOT START

CAUSE ACTION

Ignition switch is in OFF/STOP position . . . . . . . . . . . .Turn ignition switch to ON Empty fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fill fuel tank with proper fuel

Primer bulb wasn't pressed enough . . . . . . . . . . . . . . . .Press primer bulb fully and slowly 5-7 times Engine flooded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Use starting procedure WITHOUT USING CHOKE Old or improper fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . .Drain fuel tank and add fresh fuel

Fouled spark plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Replace or clean the spark plug

ENGINE WILL NOT IDLE

CAUSE	ACTION
Air filter is plugged . . . . . . . . . . . . . . . . . . . . . . . . . . . .	.Replace or clean the air filter
Old or improper fuel . . . . . . . . . . . . . . . . . . . . . . . . . . .	.Drain fuel tank and add fresh fuel
Carburetor adjusted poorly . . . . . . . . . . . . . . . . . . . . . .	.Adjust carburetor idle

ENGINE WILL NOT ACCELERATE

CAUSE	ACTION
Old or improper fuel . . . . . . . . . . . . . . . . . . . . . . . . . . .	.Drain fuel tank and add fresh fuel
Cutting head bound with grass . . . . . . . . . . . . . . . . . . .	.Stop the engine and clean the cutting head
ENGINE LACKS POWER OR STALLS WHEN CUTTING
CAUSE	ACTION
Dirty air filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	.Clean or replace the air filter
Old or improper fuel . . . . . . . . . . . . . . . . . . . . . . . . . . .	.Drain fuel tank and add fresh fuel
Cutting head bound with grass . . . . . . . . . . . . . . . . . . .	.Stop the engine and clean the cutting head
Muffler or spark arrestor plugged . . . . . . . . . . . . . . . . .	.Clean or replace muffler / spark arrestor
Carburetor misadjusted . . . . . . . . . . . . . . . . . . . . . . . . .	.Take to an authorized service dealer for
	carburetor adjustment
CUTTING HEAD WILL NOT ADVANCE LINE
CAUSE	ACTION
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 102 mm
	(4 inches) of line is outside of the cutting head
CUTTING LINE ADVANCES UNCONTROLLABLY
CAUSE	ACTION

Oil in cutting head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Clean the cutting head assembly

If further assistance is required, contact your authorized service dealer.

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