Ryobi RBC254SBO, User Manual, Page: 33 / 512

31
English (Original instructions)
■ This engine is certified to operate on unleaded petrol
intended for automotive use with an octane rating of
91 ([R + M] / 2) or higher.
■ Do not use any type of pre-mixed petrol / lubricant from
fuel service stations, this includes the pre-mixed petrol /
lubricant intended for use in mopeds, motorcycles, etc.
■ Use full synthetic 2-stroke lubricant only. Do not use
automotive lubricant or 2-stroke outboard lubricant.
■ Mix 2% full synthetic 2-stroke lubricant into the petrol.
This is a 50:1 ratio.
■ Mix the fuel thoroughly and also each time before
fueling.
■ Mix in small quantities. Do not mix quantities larger
than usable in a 30 day period. Full synthetic 2-stroke
lubricant containing a fuel stabilizer is recommended.
1 Litre + 20 ML = 50:1 (2%)
2 Litres + 40 ML = 50:1 (2%)
3 Litres + 60 ML = 50:1 (2%)
4 Litres + 80 ML = 50:1 (2%)
5 Litres + 100 ML = 50:1 (2%)
FILLING THE TANK
WARNING
Check for fuel leaks. If any are found, correct them
before using the product to prevent
fi re or burn injury.
■ Clean surface around fuel cap to prevent
contamination.
■ Loosen fuel cap slowly to release pressure and to
keep fuel from escaping around the cap.
■ Carefully pour fuel mixture into the tank. Avoid spillage.
■ Prior to replacing the fuel cap, clean and inspect the
gasket.
■ Immediately replace fuel cap and hand tighten. Wipe
up any fuel spillage. Move 9 m away from refueling site
before starting engine.
NOTE: It is normal for smoke to be emitted from a new
engine during and after first use.
WARNING
Always shut off engine before fueling. Never add fuel to
a machine with a running or hot engine. Move at least
9 m from refueling site before starting engine. Do not
smoke.
STARTING AND STOPPING
WARNING
Never start or run the engine inside a closed or poorly
ventilated area; breathing exhaust fumes can kill.
TO START A COLD ENGINE:
(See Fig 4a)
RBC254SBO
NOTE:
Lay the product on the ground. Ensure the cutting
means will not contact anything when it starts to rotate.
1. Press the primer bulb 10 times.
NOTE: After the 7th press, the fuel should be visible
in the primer bulb. If not, continue pressing until the
fuel is visible.
2. Set the choke lever to choke position.
3. Hold down the throttle lock and then squeeze
the throttle trigger. Lock the throttle in position by
depressing the throttle interlock button. Hold the
foam handle tightly with left hand and pull the starter
grip upwards with right hand in a quick, firm and
consistent motion until the engine attempts to start.
Do not pull the starter grip more than 4 times.
4. Set the choke lever to choke position.
5. Pull the starter grip until the engine starts. Do not pull
the starter grip more than 6 times.
NOTE: If the engine does not start, repeat the
procedure from step 2.
6. Allow the engine to run for 10 seconds.
7. Set the choke lever to
position.
RBC254SESO
NOTE:
Lay the product on the ground. Ensure the cutting
means will not contact anything when it starts to rotate.
1. Press the primer bulb 10 times.
NOTE: After the 7th press, the fuel should be visible
in the primer bulb. If not, continue pressing until the
fuel is visible.
2. Set the choke lever to choke position.
3. Hold down the throttle lock and then squeeze the
throttle trigger completely and pull the starter grip until
the engine attempts to start. Do not pull the starter
grip more than 4 times. Keep the throttle trigger