Briggs & Stratton 351700, 380700, 381700 warranty AIR Cleaner, OIL Pressure, Spark Plug

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MAINTENANCE

CHANGING OIL FILTER (if equipped)

Change oil filter after every 100 hours or every season.

OIL FILTER P/N

SEE PAGE 15

[1]Drain engine oil and remove oil filter.

[2]Before installing new filter, lightly oil filter gasket with fresh, clean oil.

[3]Screw filter on by hand until gasket contacts oil filter adapter. Tighten 1/2 to 3/4 turn more.

[4]Add fresh oil. Fill to FULL line on dipstick.

[5]Start and run engine at idle to check for leaks.

[6]Stop engine. Re-check oil level. Add oil if required.

OIL PRESSURE

If oil pressure drops below 1-4 psi (.1-.2 kg/cm2), an oil pressure switch (if engine is equipped) will either activate a warning device or stop the engine. Check oil level with dipstick. If oil level is between ADD and FULL mark on dipstick, Do not try to restart engine. Contact an Authorized Briggs & Stratton Service Dealer. Do not operate engine until oil pressure is corrected.

If oil level is below ADD mark on dipstick, add oil to bring level to FULL mark. Restart engine and check oil pressure. If pressure is normal, continue to operate engine.

Note: Oil pressure gauge, if engine is equipped, is supplied by manufacturer of equipment.

SPARK PLUG

Use only Briggs & Stratton Spark Tester (part number 19368) to check for spark.

AIR CLEANER

All engines have a round air cleaner cartridge. In addition, some engines have a pre-cleaner.

CLEANING PRE-CLEANERS AND CARTRIDGES

CAUTION: Do not use pressurized air or solvents to clean cartridge. Pressurized air can damage cartridge; solvents will dissolve cartridge.

Pre-cleaner

To clean pre-cleaner (if equipped), separate it from cartridge and wash in liquid detergent and water. Squeeze dry in a clean cloth. Saturate in engine oil. Squeeze in clean, absorbent cloth to remove all EXCESS oil.

Cartridge

To clean cartridge, gently tap on a flat surface.

REMOVING AND INSTALLING AIR CLEANER

FOAM PRE-CLEANER & CARTRIDGE P/N’s SEE PAGE 16

PLATE

KNOB

COVER

CLIPS

Dual element air cleaner

[1]

Unhook clips on both sides of cover and remove cover.

[2]

Remove knob and plate. Carefully remove air cleaner

In some areas, local law requires using resistor spark plug to suppress ignition sig- nals. If this engine was origi- nally equipped with resistor spark plug, use same type for replacement.

.030” (0.76 mm)

WIRE GAGE

RESISTOR P/N 491055

RESISTOR P/N 496018

 

assembly to prevent debris from entering carburetor.

[3]

Reassemble clean (or new) pre-cleaner on clean (or

 

new) cartridge.

[4]

Reinstall air cleaner assembly, plate and knob in body.

[5]

Replace cover and reattach clips to body.

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Contents Operating & Maintenance Instructions Table of ContentsPower in Power EQUIPMENT Hazard Symbols and Meanings Before Operating EngineSafety Broken bones, fractures, bruises or sprains could result Engine Parts Engine ModelModel Series OIL OIL CapacityType of OIL to USE Checking and Adding OILOIL Pressure Switch FuelStarting Type of Fuel to USEStarting and Stopping Rewind Manual StarterTo Start Engine To Stop EngineElectric KEY Starter if equipped Maintenance MaintenanceEmission Control Changing OILAIR Cleaner Cleaning PRE-CLEANERS and CartridgesRemoving and Installing AIR Cleaner OIL PressureEngine and Engine Parts MufflerAIR Cooling System Fuel SystemAdjustments Control AdjustmentsCleaning Debris To Adjust Remote Choke ControlTo Adjust Remote Throttle Control To Adjust CarburetorGoverned idle spring Payment MethodService & Storage ServicePartial List of Genuine Briggs & Stratton Parts Part Briggs & StrattonBriggs & Stratton Emission Control Defects Warranty Coverage Improper maintenance Normal wearBriggs & Stratton Engine Owner Warranty Policy

380700, 381700, 351700, 380700, 381700 specifications

Briggs & Stratton has been a leading name in small engine manufacturing, known for their durability and performance across various applications. Among their lineup, models like the 381700, 380700, and 351700 stand out for their innovative features and reliable technology. These engines are widely utilized in outdoor power equipment, ranging from lawn mowers to generators, making them a versatile choice for both homeowners and professionals.

The Briggs & Stratton 381700 engine is designed with an overhead valve (OHV) configuration, which enhances fuel efficiency and increases power output. This model features a single-cylinder design that offers a compact footprint while delivering robust performance. The engine's Easy Start technology minimizes the pull force necessary to start the engine, making operation smoother and more user-friendly. Additionally, the 381700 incorporates a splash lubrication system that ensures reliable engine operation and protects moving parts from wear, thereby extending engine life.

The 380700 engine boasts similar features, with the addition of digital ignition technology that optimizes spark timing, leading to improved fuel combustion and reduced emissions. The ability to adapt to varying load conditions enhances performance in diverse applications. Another standout characteristic is its large air filter, which increases airflow and helps maintain engine cleanliness, further boosting efficiency.

The 351700 model focuses on compact design and portability, making it an excellent choice for equipment requiring a smaller engine footprint. It employs a durable construction, emphasizing heavy-duty components that can withstand rigorous usage. The engine's maintenance-friendly design, with easily accessible components, facilitates routine checks and repairs, minimizing downtime for users.

All three models are built to last, showcasing Briggs & Stratton's commitment to high-quality manufacturing and customer satisfaction. Their engines are designed for easy maintenance, featuring spin-on oil filters and large oil capacities, ensuring extended intervals between oil changes. The durability of the materials used also contributes to the longevity of these engines, making them a wise investment for any equipment operator.

In conclusion, the Briggs & Stratton 381700, 380700, and 351700 engines are exemplary models that demonstrate the brand's dedication to performance, reliability, and user experience. Whether you need an engine for residential or commercial use, these models provide the power, efficiency, and ease of maintenance that customers have come to expect from a trusted name in small engines. With advanced technologies and robust design, they are well-equipped to handle various demanding tasks in outdoor equipment applications.