Skilled and Tech Transportation

SMALL ENGINE REPAIR

x Remove and replace spark plug x Check and gap spark plug x Check magneto, air gap, and kill-wire x Timing

Standard 4 Troubleshoot compression problems. x Perform a compression test x Define a wet test Standard 5 Troubleshoot lubrication system. x Oil specifications x Burnt oil

x Perform a cylinder leak-down test

x Inspection for the crankcase x Color of exhaust

Performance ^Ŭŝůů Perform a diagnosis on a small engine. x Understand combustion, internal and external, as it relates to the four elements of combustion.

x Troubleshoot fuel system problems. x Troubleshoot ignition system problems. x Troubleshoot compression problems. x Troubleshoot lubrication system.

STRAND 5 Students will be able to disassemble and reassemble a small gas engine. Standard 1 Identify major small gas engine components and parts. x Cylinder block x Side cover x Cylinder x Crankshaft and crank gear x Connecting rod x Bearing x Piston x Piston-pin (wrist-pin) x Rings (compression ring/oil control ring) x Tappets/lifters x Valves (intake/exhaust)

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