Small Engine Ignition Systems Ch 9 Small Engine Ignition Systems Chapter Objectives - Upon completion of this chapter you should be able to: Explain theory of operation of ignition systems. I.D. the components of an ignition system and understand the function of each. Perform ignition system installations and adjustments. Explain sparkplug identification and construction. Explain the differences between a Magneto Ignition System and a Battery Coil Ignition System. Troubleshoot common ignition system problems and perform common repairs.

Small Engine Ignition Systems Ch 9 Small Engine Ignition Systems Battery Coil -VS- Magneto Ignition System Battery Coil Ignition Magneto Ignition

Small Engine Ignition Systems Ch 9 Small Engine Ignition Systems Point gap effects spark timing and Voltage Magnitude Condenser Absorbs current flow to reduce point arcing

Small Engine Ignition Systems Ch 9 Small Engine Ignition Systems Electromagnetic Induction The Coil is a Step up Transformer

Small Engine Ignition Systems Ch 9 Small Engine Ignition Systems The primary function of an ignition system is to: Provide a properly timed spark in the combustion chamber of the engine that will ignite the air-fuel mixture from the carburetor. Points open

Small Engine Ignition Systems Ch 9 Small Engine Ignition Systems

Small Engine Ignition Systems Ch 9 Small Engine Ignition Systems Spark Plug ID Ribs Prevent Flashover

Small Engine Ignition Systems Ch 9 Small Engine Ignition Systems Gapping sparkplugs Selecting proper plug reach

Small Power Equipment Cranking Systems B M