small engine parts system by system
DESCRIPTION
Engine Systems Mechanical Ignition Fuel & Air Delivery Lubrication Exhaust Electrical…Charging, Starting, Lighting & Accessory Cooling Emission ControlTRANSCRIPT
![Page 1: Small Engine Parts System by System](https://reader035.vdocument.in/reader035/viewer/2022062401/5a4d1b7b7f8b9ab0599b90e4/html5/thumbnails/1.jpg)
Small Engine Parts
System by System
![Page 2: Small Engine Parts System by System](https://reader035.vdocument.in/reader035/viewer/2022062401/5a4d1b7b7f8b9ab0599b90e4/html5/thumbnails/2.jpg)
Engine Systems
• Mechanical• Ignition• Fuel & Air Delivery• Lubrication• Exhaust• Electrical…Charging, Starting, Lighting & Accessory
• Cooling• Emission Control
![Page 3: Small Engine Parts System by System](https://reader035.vdocument.in/reader035/viewer/2022062401/5a4d1b7b7f8b9ab0599b90e4/html5/thumbnails/3.jpg)
Mufflers..Quiet & Help with Scavenging
![Page 4: Small Engine Parts System by System](https://reader035.vdocument.in/reader035/viewer/2022062401/5a4d1b7b7f8b9ab0599b90e4/html5/thumbnails/4.jpg)
Exhaust
A system to quiet the engine operation and properly scavenge
out spent air & fuel without allowing fresh air & fuel to leave
the engine
![Page 5: Small Engine Parts System by System](https://reader035.vdocument.in/reader035/viewer/2022062401/5a4d1b7b7f8b9ab0599b90e4/html5/thumbnails/5.jpg)
Stops the “pop”after shutting off the engine
Anti-after-fire solenoid
Closes the main jet
Reduces HC emissions
![Page 6: Small Engine Parts System by System](https://reader035.vdocument.in/reader035/viewer/2022062401/5a4d1b7b7f8b9ab0599b90e4/html5/thumbnails/6.jpg)
Compression ratio is designed to keep burning well below2400 Fº in an effort to reduce NOx emissions
![Page 7: Small Engine Parts System by System](https://reader035.vdocument.in/reader035/viewer/2022062401/5a4d1b7b7f8b9ab0599b90e4/html5/thumbnails/7.jpg)
These adjustments are either non-existent or are capped-offon low emissions engines in an effort to prevent indiscriminateadjustment by unskilled individuals which would lead to increasedHC & CO & NOx air pollution.
High Speed & Low Speed Mixture Screws