Chapter 3. Engine; Engine Inspection; Measuring The Compression Pressure - Yamaha MZ250 Service Manual
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Also See for MZ250:
- Owner's manual (462 pages) ,
- Owner's manual (104 pages) ,
- Owner's manual (140 pages)
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2
ENGINE INSPECTION
ENGINE
ENGINE INSPECTION
MEASURING THE COMPRESSION
PRESSURE
TIP
Measure the compression pressure after
checking and adjusting the valve clearance.
1. Warm up the engine for a few minutes.
2. Remove:
9 Spark plug cap
9 Spark plug
NOTICE
Before removing the spark plug, use com-
pressed air to clean the cylinder head
cover to prevent dirt from falling into the
engine.
3. Connect:
9 Compression gauge 1
1
9 Extension 2
Engine compression tester:
YU-33223
Compression gauge:
90890-03081
Extension:
90890-04082
3-1
ENG
3
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