Yamaha EK25BMH Service Manual - Carburetor
Manual is about: Outboard Motor Yamaha EK25BMH
of
230
CARBURETOR
FUEL
4-21
E
3. Measure:
•
Engine idle speed
Out of specification
→
adjust.
Measuring steps
(1) Start the engine and allow it to warm
up for a few minutes.
(2) Install the Digital tachometer
onto
the spark plug lead of cylinder #1.
Engine idle speed
1,300 ± 50 r/min
Digital Tachometer
90890-06760
1