Yamaha NEOS 50 YN50 (2002) [34/161] Insp adj

Yamaha NEOS 50 YN50 (2002) [34/161] Insp adj
INSP
ADJ
ADJUSTMENT OF ENGINE IDLING
3-6
ENGINE
ADJUSTMENT OF ENGINE IDLING
1. Tighten:
• Pilot air screw
Turn the pilot air screw inwards until it
seats itself lightly.
2. Loosen:
• Pilot air screw.
Unscrew it from its lightly seated posi-
tion.
3. Start the engine and let it warm up.
ss
WARNING
Before starting the engine, ensure that the
central safety stand is being used.
4. Join:
• Inductive tachometer
On the spark plug cable
5. Check:
• Engine idling.
Outside specified value

Adjust.
6. Adjust:
• Engine idling

Adjustment steps:
• Turn the accelerator stop screw outward
or inwards until the specified idling is obtai-
ned.

OUTWARDS TURNS OF THE PILOT AIR SCREW:
DELLORTO GURTNER
EU0 EU1 EU0 EU1 MOFA
1
1
/
2
±
1
4
2
1
/
8
±
1
/
8
1
1
/
8
1
7
/
8
1
7
/
8
Inductive tachometer
90890-03113
Engine idling
1.800 rpm
Turn inwards

Increases idling.
Turn outwards

Decreases idling.

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