Briggs & Stratton 21A900 service manual 1070 1005B 37A

Page 8

21A900

1070

1005B

 

37A

78A

 

 

 

 

729B

 

 

729A

 

 

697

309

 

363

 

801

 

 

1051

 

 

510

544

 

783

 

 

513

803

310

 

 

 

1090

311

579

797

 

 

802

 

1005A

415A

 

 

73A

 

1070A

 

1005

 

75

74

 

 

78

73

 

 

37

 

1044

 

455

23

1051

783

23A

608

65

55

58

57

60

56

459

689

456

597

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

5069−8

Assemblies include all 8parts shown in frames.

06/17/2008

Image 8
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 697377 23A 693555399265 K391086S691003 121 790031697352 78A 690364137Dz281165S 192216 691840 202265 691024 311 497608387A 808656 267 794904474C 696457 523 699908584 794682 524676 393761 757843 697158 758398661 968 6974201040 698368 6919561263 697124 1270 6971561264 697104 −−−−−− 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.