Briggs & Stratton 381700 Engine and Engine Parts, Muffler, AIR Cooling System, Fuel System

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MAINTENANCE

ENGINE AND ENGINE PARTS

We recommend that you see an authorized Briggs & Stratton Service Dealer for all maintenance and service of the engine and engine parts. Use only genuine Briggs & Stratton parts.

WARNING

WARNING

If you perform any maintenance on the engine, first disconnect the spark plug wires from the spark plugs, and disconnect the battery at the negative terminal (electric starter engines only) to prevent unintentional sparking. Unintentional sparking can result in fire or electric shock. Unintentional start-up can result in entanglement, traumatic amputation or laceration. Use only correct tools.

•Do not strike the flywheel with a hammer or hard object because the flywheel may later shatter during operation.

•Do not tamper with governor spring, links or other parts to increase engine speed.

MUFFLER

Replacement parts for the WARNING muffler must be the same and installed in the same position

as the original parts, other- wise fire can occur.

If muffler is equipped with spark

arrestor screen, remove screen for inspection. Replace screen if damaged or plugged.

AIR COOLING SYSTEM

Debris may clog the engine’s air cooling system. Remove blower housing and clean area shown to prevent overheat- ing and engine damage.

FUEL SYSTEM

WARNING

Replacement parts for fuel system (cap, hoses, tanks, filters, etc.) must be the same as original parts, otherwise fire can occur.

CLEAN AREAS

OF ALL DIRT AND DEBRIS

FUEL FILTER (if equipped)

FILTER

PART NO. 493629

(WITH FUEL PUMP)

OIL COOLER (if equipped)

Clean oil cooler of all debris and chaff.

WARNING

[1]Disconnect spark plug wires and keep away from spark plugs.

[2]Drain fuel tank or close fuel shut-off valve before replacing fuel filter. Otherwise, fuel can leak out, creating a fire/explo- sion hazard.

VALVE CLEARANCE

Check valve clearance yearly. (See Tune-up Specifications on page 6).

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Contents Table of Contents Operating & Maintenance InstructionsPower in Power EQUIPMENT Before Operating Engine Hazard Symbols and MeaningsSafety Broken bones, fractures, bruises or sprains could result Engine Model Engine PartsModel Series OIL Capacity OILType of OIL to USE Checking and Adding OILFuel OIL Pressure SwitchStarting Type of Fuel to USERewind Manual Starter Starting and StoppingTo Start Engine To Stop EngineElectric KEY Starter if equipped Maintenance MaintenanceEmission Control Changing OILCleaning PRE-CLEANERS and Cartridges AIR CleanerRemoving and Installing AIR Cleaner OIL PressureMuffler Engine and Engine PartsAIR Cooling System Fuel SystemControl Adjustments AdjustmentsCleaning Debris To Adjust Remote Choke ControlTo Adjust Carburetor To Adjust Remote Throttle ControlGoverned idle spring Payment MethodService Service & StoragePartial List of Genuine Briggs & Stratton Parts Part Briggs & StrattonBriggs & Stratton Emission Control Defects Warranty Coverage Normal wear Improper maintenanceBriggs & 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.
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