Storage

WARNING

Gasoline and its vapors are extremely flammable and explosive. Fire or explosion can cause severe burns or death.

When Storing Gasoline Or Equipment With Fuel In Tank

•Store away from furnaces, stoves, water heaters or other appliances that have pilot light or other ignition source because they can ignite gasoline vapors.

use Briggs & Stratton FRESH START® fuel stabilizer, available as a liquid additive or a drip concentrate cartridge.

There is no need to drain gasoline from the engine if a fuel stabilizer is added according to instructions. Run the engine for 2 minutes to circulate the stabilizer throughout the fuel system. The engine and fuel can then be stored up to 24 months.

If gasoline in the engine has not been treated with a fuel stabilizer, it must be drained into an approved container. Run the engine until it stops from lack of fuel. The use of a fuel stabilizer in the storage container is recommended to maintain freshness.

Engine Oil

While the engine is still warm, change the engine oil.

Fuel System

Reproduction

Fuel can become stale when stored over 30 days. Stale fuel causes acid and gum

Troubleshooting

deposits to form in the fuel system or on essential carburetor parts. To keep fuel fresh,

Need Assistance? Go to BRIGGSandSTRATTON.COM or call 1-800-233-3723.

Specifications

Engine Specifications

 

 

Engine Specifications

 

Model

290000

 

Model

350000

Displacement

29.23 ci (479 cc)

 

Displacement

34.78 ci (570 cc)

Bore

2.677 in (68 mm)

 

Bore

2.835 in (72 mm)

Stroke

2.598 in (66 mm)

 

Stroke

2.756 in (70 mm)

Oil Capacity

46 -- 48 oz (1.36 -- 1.42 L)

 

Oil Capacity

46 -- 48 oz (1.36 -- 1.42 L)

 

 

 

 

 

Engine Specifications

 

 

Engine Specificati

ns

 

 

 

 

 

Model

300000

 

M del

380000

Displacement

29.23 ci (479 cc)

 

Displacement

38.26 ci (627 cc)

Bore

2.677 in (68 mm)

 

B

2.972 in (75.5 mm)

Stroke

2.598 in (66 mm)

 

St oke

2.756 in (70 mm)

Oil Capacity

46 -- 48 oz (1.36 -- 1.42 L)

 

Oil Ca acity

46 -- 48 oz (1.36 -- 1.42 L)

 

 

 

 

 

 

 

 

 

 

Tune-up Specifications *

 

 

 

Tune-up Specifications *

 

Model

290000, 300000

 

Model

350000, 380000

Spark Plug Gap

 

0.030 in (0.76 mm)

 

Spark Plug Gap

0.030 in (0.76 mm)

Spark Plug Torque

for

 

Spark Plug Torque

180 lb-in (20 Nm)

 

180 lb-in (20 Nm)

 

Armature Air Gap

 

0.008 - 0.012 in (0.20 - 0.30 mm)

 

Armature Air Gap

0.008 - 0.012 in (0.20 - 0.30 mm)

Intake Valve Clearance

 

0.004 - 0.006 in (0.10 - 0.15 mm)

 

Intake Valve Clearance

0.004 - 0.006 in (0.10 - 0.15 mm)

Exhaust Valve Clearance

 

0.004 - 0.006 in (0.10 - 0.15 mm)

 

Exhaust Valve Clearance

0.004 - 0.006 in (0.10 - 0.15 mm)

* Engine power will decrease 3.5%

or each 1,000 eet (300 meters) above sea level and 1% for each 10° F (5.6° C) above 77° F (25° C). The engine will operate satisfactorily at an

angle up to 15°. Refer to he equipment operator’s manual safe allowable operating limits on slopes.

Common Service Parts n

Service Part

Part Number

 

 

Air Filter -- except model 380000

394018

 

 

Air Filter -- model 380000

692519

 

 

Air Filter Pre-cleaner -- except model 380000

272490

Air Filter Pre-cleaner -- model 380000

692520

 

 

Oil -- SAE 30

100028

Oil Filter -- 6 cm long

492932

 

 

Oil Filter -- 9 cm long

491056

 

 

Service Part

Part Number

 

 

Fuel Filter -- with fuel tank

808116

 

 

Fuel Filter -- with fuel pump

691035

 

 

Fuel Filter -- without fuel pump

298090

Fuel Additive

5041

 

 

Resistor Spark Plug

491055

Long Life Platinum Spark Plug

5066

 

 

Spark Plug Wrench

19374

Spark Tester

19368

nWe recommend that you see any Briggs & Stratton Authorized Dealer for all maintenance and service of the engine and engine parts. Use only genuine Briggs & Stratton parts.

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