Engine Mechanical and Performance Checklist
Exhaust Smoke and Engine Condition Checklist
A diagnostic sheet for blue, white, black smoke and engine condition clues.
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Checklist Preview
- Smoke: record smoke color, smell and when it appears
- Smoke: check oil and coolant levels before road test
- Smoke: inspect crankcase ventilation
- Smoke: check air filter and intake oil contamination
- Smoke: read spark plugs for cylinder clues
- Smoke: perform compression/leak-down if smoke persists
- Smoke: inspect turbo/supercharger only where fitted
- Smoke: check injector or carb richness for black smoke
- Smoke: look for coolant loss with white smoke
- Smoke: record condition before recommending teardown
How To Use It
Use this checklist before replacing parts. Work from the top down, record the result of each step, and only move to repair decisions when the failed test is clear.
The downloadable PDF includes checkboxes, notes space, final verification and technician sign-off fields for workshop records.
Download Access
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Tools To Prepare
- Compression tester
- Leak-down tester
- Cooling pressure tester
- Vacuum gauge
- Borescope
Evidence To Record
- Cylinder readings
- Temperature state
- Leak path
- Final comparison
SEO and Research Notes
This original Motomech worksheet is built from common workshop inspection logic: verify the complaint, inspect safety-critical systems first, measure before replacing parts, document the failed test, and finish with a repeatable road-test or service verification.
