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Not for
Reproduction
Oil Recommendations
NOTICE:
The engine was shipped from the factory without oil.
Before you start the engine, ensure that you add oil according to
the instructions in this manual. If you start the engine without oil, it
will be damaged beyond repair and will not be covered under the
warranty.
Use a high quality detergent oil classified for Service SG, SH,
SJ, SL, or higher. Synthetic 5W30 motor oil is acceptable for all
temperatures. DO NOT mix oil with gasoline. See chart below for
oil recommendations.
*
Below 40°F (4°C) the use of SAE 30 will result in hard starting.
**
Above 80°F (27°C) the use of 10W-30 may cause increased oil con-
sumption. Check oil level more frequently.
add oil Check oil Level
1. Ensure the snowthrower is level.
2. Clean the oil dipstick area of any debris.
3. See
Specifications
for the oil capacity.
4. Remove the oil dipstick (
A
, Figure 1) and wipe it with a clean
cloth.
5. Add oil slowly into the engine oil fill (
B
).
6. Wait one minute and then insert the oil dipstick and turn it
clockwise to tighten.
7. Remove the oil dipstick and check the oil level.
8. If necessary, add oil until the level reaches the full mark (
C
) on
the oil dipstick. Do not overfill.
9. Insert and tighten the oil dipstick securely.
Fuel Recommendations
Fuel must meet these requirements:
• Clean, fresh, unleaded gasoline.
• A minimum of 87 octane/87 AKI (91 RON). High altitude
use, see below.
• Gasoline with up to 10% ethanol (gasohol) is acceptable.
NOTICE:
Do not use unapproved gasoline, such as E15 and
E85. Do not mix oil in gasoline or modify the engine to run on
alternate fuels. Use of unapproved fuels will damage the engine
components and void the engine warranty.
To protect the fuel system from gum formation, mix a fuel
stabilizer into the fuel. See
Storage
. All fuel is not the same. If
starting or performance problems occur, change fuel providers or
change brands. This engine is certified to operate on gasoline.
The emissions control system for this engine is EM (Engine
Modifications).
High Altitude
At altitudes over 5,000 feet (1524 meters), a minimum
85 octane/85 AKI (89 RON) gasoline is acceptable. Operation
without a high altitude adjustment will cause decreased
performance, increased fuel consumption, and increased
emissions. Contact a Briggs & Stratton Authorized Dealer for high
altitude adjustment information.
Operation of the engine at altitudes below 2,500 feet (762 meters)
with the high altitude adjustment is not recommended.
1. Clean the fuel cap area of dirt and debris. Remove the fuel cap
(
D
, Figure 1).
2. Fill the fuel tank with fuel. To allow for expansion of the fuel, do
not fill above the bottom of the fuel tank neck.
3. Install the fuel cap.
Add Fuel
WARNING
When Adding Fuel
• Turn off engine and let cool at least 2 minutes before
removing the fuel cap and adding fuel.
• Fill fuel tank outdoors or in a well ventilated area.
• Do not overfill the fuel tank. To allow for the expansion of
gasoline, do not fill above the bottom of the fuel tank neck.
• Keep fuel away from sparks, open flames, pilot lights, heat,
and other ignition sources.
• If fuel spills, wait until it evaporates before starting engine.
Fuel and its vapors are extremely flammable
and explosive. Always handle fuel with
extreme care.
Failure to observe these safety instructions can
cause a fire or explosion which will result in
severe burns or death.
14
Operation
Summary of Contents for ST655BS
Page 2: ...N o t f o r R e p r o d u c t i o n E F G B C A D 3 2 4 A B C 2 B A C D 1...
Page 3: ...N o t f o r R e p r o d u c t i o n A B A B C 7 9 6 8 5 A C 3 B...
Page 24: ...N o t f o r R e p r o d u c t i o n 24 25 26 CE 26 26 26 27 32 ST BS ST BS 33 34 36 41 42 43...
Page 25: ...N o t f o r R e p r o d u c t i o n 25 CHAMPION CHAMPION CHAMPION...
Page 27: ...N o t f o r R e p r o d u c t i o n 27 Read the Operator s Manual...
Page 28: ...N o t f o r R e p r o d u c t i o n 28...
Page 29: ...N o t f o r R e p r o d u c t i o n 29 OPEN RUN FAST...
Page 30: ...N o t f o r R e p r o d u c t i o n 30 Public Resource Code...
Page 31: ...N o t f o r R e p r o d u c t i o n 31...
Page 32: ...N o t f o r R e p r o d u c t i o n 1739967 A B C 32 A B C...
Page 35: ...N o t f o r R e p r o d u c t i o n 35 OPEN RUN FAST A B C 6 D 7 E F G B...
Page 36: ...N o t f o r R e p r o d u c t i o n 36 A C a Juster kontrollkabelen b...
Page 37: ...N o t f o r R e p r o d u c t i o n 37 A A B B C...
Page 38: ...N o t f o r R e p r o d u c t i o n 38 A B A B C...
Page 39: ...N o t f o r R e p r o d u c t i o n 39 A A B C...