MTD YM90BC Starting, Position

STARTING/STOPPING INSTRUCTIONS
WARNING: Operate this unit only in a well- ventilated
outdoor area. Carbon monoxide exhaust fumes can be lethal		Stop/Off (O)
in a confined area.	Start/On ( I )	Stop/Off (O)
	Start/On ( I )

WARNING: Avoid accidental starting. Make sure you are in the starting position when pulling the starter rope

(Fig. 21). To avoid serious injury, the operator and unit must be in a stable position while starting.

Throttle

Make sure that any Add-On item is installed correctly andLock-Outsecure before starting the unit.

	Throttle
STARTING INSTRUCTIONS	Control

1.Mix gas with oil. Fill fuel tank with fuel/oil mixture. See

Oil and Fuel Mixing Instructions.	Fig. 19
Oil and Fuel Mixing Instructions.
NOTE: There is no need to turn the unit on. The
On/Off Stop Control is in the ON ( I ) position at all
times (Fig. 19).

2. Fully press and release the primer bulb 10 times, slowly. Some amount of fuel should be visible in the primer bulb and fuel lines (Fig. 20). If you can’t see fuel in the bulb, press and release the bulb as many times as it takes before you can see fuel in it.

3. Place the blue choke lever in Position 1 (Fig. 20).		Blue Choke
3. Place the blue choke lever in Position 1 (Fig. 20).		Lever
4. Crouch in the starting position (Fig. 21), squeeze the		Lever
4. Crouch in the starting position (Fig. 21), squeeze the
throttle lock-out and throttle control (Fig. 19), and pull
the starter rope out with a controlled and steady
motion 5 times.
NOTE: The unit uses Spring Assist Starting™, which
significantly reduces the effort required to start the
engine. You must pull the starter rope out far enough
to hear the engine attempt to start. There is no need
to pull the rope briskly-- there is no harsh resistance	Primer
when pulling. Be aware that this starting method is	Primer
when pulling. Be aware that this starting method is	Bulb
vastly different from (and much easier than) what you	Bulb
vastly different from (and much easier than) what you
may be used to.
5. Place the blue choke lever in Position 2 (Fig. 20).		Fig. 20
6. While squeezing the throttle lock-out and throttle		Fig. 20
6. While squeezing the throttle lock-out and throttle
control, pull the starter rope out with a controlled and		Starting
steady motion until the engine starts.		Starting
7. Squeeze the throttle lock-out and the throttle control	Trimmer	Position
for 15 to 30 seconds to warm up the engine.	Equipped With
NOTE: Engine may take longer to warm up and reach	Spring Assist
maximum operating speed at colder temperatures.	Starting ™

NOTE: Unit is properly warmed up when engine accelerates without hesitation.

8.Once the engine is warmed up, place the blue choke lever in Position 3 (Fig. 20). The unit is ready for use.

IF... the engine hesitates, return the blue choke lever to

Position 2 (Fig. 20) and continue warm-up.

	IF... the engine does not start, go back to step 2.
	IF... the engine fails to start after a few attempts, place the
	blue choke lever in Position 3 and squeeze the
	throttle control. Pull the starter rope out with a
	controlled and steady motion 3 to 8 times. The	Throttle Control
	engine should start. If not, repeat.	Throttle Control
	IF WARM... If the engine is already warm, start the unit
	with the blue choke lever in Position 2. After the unit	Fig. 21
	starts, move the blue choke lever to Position 3.	Fig. 21
	starts, move the blue choke lever to Position 3.

STOPPING INSTRUCTIONS

1.Release your finger from the throttle control. Allow the engine to cool down by idling.

2.Press and hold On/Off Stop Control in the OFF (O) position until engine comes to a complete stop (Fig. 19).