Yamaha 2A User Manual

4-15
E
NOTE:
Correct idling-speed adjustment is only
possible if the engine is fully warmed-up.
If not warmed up fully, the speed setting
will tend to be too high. If you have diffi-
culty obtaining the specified idle, consult
a Yamaha dealer or other qualified
mechanic.
EMK78010
CHECKING WIRING AND
CONNECTORS
1) Check that each grounding wire is
properly secured.
2) Check that each connector is engaged
securely.
EXHAUST LEAKAGE
Start the engine and check that no
exhaust leaks from the joints between
the exhaust cover, cylinder head and
crank case.
WATER LEAKAGE
Start the engine and check that no water
leaks from the joints between the
exhaust cover, cylinder head and crank
case.
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Yamaha 2A Specifications

General

Engine Type	2-Stroke
Mixing Ratio	50:1
Starting System	Manual
Full Throttle RPM Range	4500 - 5500 rpm
Fuel Type	Gasoline
Oil Type	2-stroke oil
Gear Ratio	2.08:1
Gear Shift	F
Shaft Length	S