Briggs & Stratton 21A900 service manual For additional information

Page 10

21A900

DC ONLY

 

DUAL

5 − 9 AMP

10 − 16 AMP

CIRCUIT

 

 

 

 

 

 

474A

1059

474B

1059

474C

1059

474D

1059

 

877A

877

 

877B

 

877C

 

578

878

578

578

 

 

 

 

526A

526A

526B

 

 

 

501C

501A

501D

NOTE: All stators use a No. 1119mounting screw.

 

526B

 

NOTE: The proper flywheel part number and/or the alternator magnet size will

 

 

 

determine the alternator type or output. See repair instruction manual

501B

 

for additional information.

 

 

 

Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.

5069−10

Assemblies include all10parts shown in frames.

06/17/2008

Image 10
Contents Illustrated Parts List With warning labels affixed 847 Valve Gasket SET Walbro See textNikki Emissions Label 1070 1005B 37A 187 187A 601 240 For additional information 399265 69737723A 693555 K391086S697352 691003121 790031 78A 690364216 691840 137Dz281165S192 202387A 808656 265 691024311 497608 267 794904584 794682 474C 696457523 699908 524843 697158 676 393761757 7581040 698368 398661968 697420 6919561264 697104 1263 6971241270 697156 −−−−−− Note −−−−−− 1319 794467

21A900 specifications

Briggs & Stratton is a name synonymous with reliability and innovation in the small engine industry. Among its varied product lineup, the Briggs & Stratton 21A900 stands out for its performance and efficiency, making it an excellent choice for both homeowners and professionals.

The Briggs & Stratton 21A900 is a versatile engine specifically designed for lawn mowers and other outdoor power equipment. One of its hallmark features is its compact design, making it lightweight while still delivering robust performance. This makes it an ideal choice for residential lawn care, as well as for commercial landscaping operations.

One of the key technologies employed in the 21A900 is the Overhead Valve (OHV) design. This technology enhances engine efficiency by placing the valves in the cylinder head, allowing for better airflow and improved combustion. This results in increased power output and fuel efficiency, making it eco-friendlier compared to older engine designs.

In addition, the engine is equipped with a reliable starter mechanism, which enables easy starts even in cold conditions. The ReadyStart® system is a notable feature that eliminates the need for manual priming or choking, ensuring that users can get to work with minimal fuss.

The 21A900 also boasts a governor system designed to maintain engine speed under varying loads. This is particularly beneficial for lawn mowers, as it allows the engine to adjust power output automatically when encountering tougher grass or uneven terrain. As a result, users can enjoy consistent performance without constantly adjusting the throttle.

Durability is another significant characteristic of the 21A900. Briggs & Stratton engines are known for their rugged construction and the 21A900 is no exception. Built with high-quality materials, it promises long-lasting performance and reduced maintenance issues, which translates to lower total cost of ownership for users.

Maintenance is made easier with the inclusion of features such as a top-mounted oil fill and a convenient oil drain. This user-friendly design simplifies routine oil checks and changes, ensuring that the engine stays in top shape.

In summary, the Briggs & Stratton 21A900 engine combines advanced technologies, user-friendly features, and durable construction to deliver a powerful and efficient solution for outdoor power equipment. Whether used in a residential or commercial setting, the 21A900 ensures reliable performance for all lawn care needs. This engine exemplifies the commitment of Briggs & Stratton to quality and innovation, making it a trusted choice for users around the world.