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Yamaha WR250F 2001 Fahrer- Und Wartungshandbuch Seite 288

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CARBURETOR
2. Inspect:
Main jet 1
Pilot jet 2
Needle jet 3
Starter jet 4
Main air jet 5
Pilot air jet 6
Leak jet 7
Damage → Replace.
Contamination → Clean.
NOTE:
Use a petroleum based solvent for cleaning.
Blow out all passages and jets with com-
pressed air.
Never use a wire.
Needle valve
1. Inspect:
Needle valve 1
Valve seat 2
Grooved wear a → Replace.
Dust b and c → Clean.
NOTE:
Replace the needle valve and valve seat as a
set.
EC464301
Throttle valve
1. Check:
Free movement
Stick → Repair or replace.
NOTE:
Insert the throttle valve 1 into the carburetor
body, and check for free movement.
EC464401
Jet needle
1. Inspect:
Jet needle 1
Bends/wear → Replace.
Clip groove
Free play exists/wear → Replace.
Clip position
Standard clip position:
No.3 Groove
,
*
** No.4 Groove
* For EUROPE
** For CDN, ZA, AUS and NZ
4 - 11
ENG

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Diese Anleitung auch für:

Wr250fn 2001

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