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▷ ▶ Small Engine Troubleshooting free How-to flowcharts and decision trees.
A Flowchart by Jordan69. See Jordan69's 4me blog page.
Viewed 1149 times. Created October 2013.
This How-to flowchart, a free online decision tool is a creation of Jordan69 and for amusement purposes only. The implicit and explicit opinions expressed here are the author's. does not necessarily agree.
How-toSmall Engine Troubleshooting
By Jordan69
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How to trouble shoot a small engine

Test for compression in piston cylinder
Test Oil
Test for Spark
Test fuel supply
Test for correct timing

Use piston compression gauge
Is there Oil? Is the oil bad, or contain crude?
Check Flywheel, and Magnetron. Test spark plug. Look for wear then clean.
Check air filter. Clean if neccessary or replace. Spray starter fluid. Check for tainted fuel.
Check blade for obstructions, then check keyway if broke.

Test Carb

Check for corrosion. Check float, bowl, and jets.