2005 YAMAHA WR 250F Starter

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Page 356 of 864

YAMAHA WR 250F 2005  Owners Manual 4 - 31
ENG
Estensione della rimozione Ordine Denominazione QuantitàOsservazioni
F  Perno del galleggiante  1
G Galleggiante 1
H  Valvola a spillo 1
I Getto del massimo 1
J  Getto a spillo 1
K Distanz

Page 360 of 864

YAMAHA WR 250F 2005  Owners Manual 4 - 35
ENGCARBURETOR
2. Inspect:
Main jet 
1 
Pilot jet 
2 
Needle jet 
3 
Starter jet 
4 
Pilot air jet 
5 
Leak jet 
6 
Damage 
→ Replace.
Contamination 
→ Clean.
NOTE:Use a petroleum bas

Page 361 of 864

YAMAHA WR 250F 2005  Owners Manual 4 - 36
ENG
2. Kontrollieren:
Hauptdüse 
1 
Leerlaufdüse 
2 
Nadeldüse 
3 
Chokedüse 
4 
Leerlauf-Luftdüse 
5 
Ausströmdüse 
6 
Beschädigt 
→ Erneuern.
Verunreinigt 
→ Reinigen.
HINWE

Page 362 of 864

YAMAHA WR 250F 2005  Owners Manual 4 - 37
ENGCARBURETOR
Float height
1. Measure:
Float height 
a 
Out of specification 
→ Adjust.
Float height:
8.0 mm (0.31 in)
Measurement and adjustment 
steps:
Hold the carburetor in an upside
do

Page 363 of 864

YAMAHA WR 250F 2005  Owners Manual 4 - 38
ENG
Schwimmerstand
1. Messen:
Schwimmerstand 
a 
Nicht nach Vorgabe 
→ Einstel-
len.
Schwimmer
1. Kontrollieren:
Schwimmer 
1 
Beschädigt 
→ Erneuern.
Schwimmerstand:
8,0 mm (0,31 in)
Me

Page 364 of 864

YAMAHA WR 250F 2005  Owners Manual 4 - 39
ENGCARBURETOR
Accelerator pump
1. Inspect:
Diaphragm 
(accelerator pump) 
1 
Spring (accelerator pump) 
2 
Accelerator pump cover 
3 
O-ring 
4 
Push rod 
5 
Tears (diaphragm)/damage 
→

Page 365 of 864

YAMAHA WR 250F 2005  Owners Manual 4 - 40
ENG
Beschleunigungspumpe
1. Kontrollieren:
Membran
(Beschleunigungspumpe) 
1 
Feder 
(Beschleunigungspumpe) 
2 
Beschleunigungspumpen-
Abdeckung 
3 
O-Ring 
4 
Druckstange 
5 
Rissig (Memb

Page 368 of 864

YAMAHA WR 250F 2005  Owners Manual 4 - 43
ENGCARBURETOR
9. Install:
Push rod 
1 
NOTE:While holding down the lever 1 
2,
insert the push rod farthest into the
carburetor.
12
10. Install:
Starter jet 
1 
Pilot jet 
2 
Spacer 
3 
Ne