YAMAHA WR 450F 2006 Owners Manual

YAMAHA WR 450F 2006 Owners Manual WR 450F 2006 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52482/w960_52482-0.png YAMAHA WR 450F 2006 Owners Manual
Trending: oil, AUX, coolant level, coolant reservoir, relay, reset, fuel pressure

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YAMAHA WR 450F 2006  Owners Manual ENG
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Zylinderboh-
rung “C”95,00–95,01 mm
(3,7402–
3,7406 in)
Max. Konizität 
“T”0,05 mm 
(0,002 in)
Max. Ovalität 
“R”0,05 mm 
(0,002 in)
“C” = größtes Maß unter D
“T

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YAMAHA WR 450F 2006  Owners Manual 4 - 48
ENGCYLINDER AND PISTON
Piston ring
1. Measure:
Ring side clearance
Use a feeler gauge 1. 
Out of specification → Replace the piston
and rings as a set.
NOTE:
Clean carbon from the piston rin

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YAMAHA WR 450F 2006  Owners Manual ENG
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Kolbenringe
1. Messen:
Ringnutspiel
Eine Fühlerlehre 
1 verwen-
den. 
Nicht nach Vorgabe 
→ Kolben
samt Kolbenringen erneuern.
HINWEIS:
Vor der Messung des Ringnutspiels
müssen die Öl

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YAMAHA WR 450F 2006  Owners Manual 4 - 49
ENGCYLINDER AND PISTON
Piston pin
1. Inspect:
Piston pin
Blue discoloration/grooves → Replace,
then inspect the lubrication system.
2. Measure:
Piston pin-to-piston clearance
ASSEMBLY AND I

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YAMAHA WR 450F 2006  Owners Manual ENG
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Kolbenbolzen
1. Kontrollieren:
Kolbenbolzen
Blaubrüchig/riefig 
→ Kolben-
bolzen erneuern und Schmier-
system kontrollieren.
2. Messen:
Kolbenbolzen-Spiel
ZUSAMMENBAU UND MONTAGE
Kolbe

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YAMAHA WR 450F 2006  Owners Manual 4 - 50
ENGCYLINDER AND PISTON
2. Position:
Top ring
2nd ring
Oil ring
Offset the piston ring end gaps as shown.
aTop ring end
b2nd ring end
cOil ring end (upper)
dOil ring
eOil ring end (lower)
45

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YAMAHA WR 450F 2006  Owners Manual ENG
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2. Anordnen:
1. Kompressionsring (Topring)
2. Kompressionsring
Ölabstreifring
Die Ringspalte, wie in der
Abbildung gezeigt, versetzen.
aSpalt des 1. Kompressionsrings
bSpalt des 2. Komp

Page 418 of 786

YAMAHA WR 450F 2006  Owners Manual 4 - 51
ENGCLUTCH
CLUTCH
CLUTCH
Extent of removal:
1 Push rod and push lever removal
2 Push rod 1 disassembly
3 Friction plate and clutch plate removal
4 Clutch housing removal
Extent of removal Order

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YAMAHA WR 450F 2006  Owners Manual ENG
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KUPPLUNG
KUPPLUNG
Arbeitsumfang:
1 Druckstange und Kupplungsausrücker demontieren
2 Druckstange 1 zerlegen
3 Reib- und Stahlscheiben demontieren
4 Kupplungskorb demontieren
ArbeitsumfangRe

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YAMAHA WR 450F 2006  Owners Manual 4 - 52
ENGCLUTCH
Extent of removal Order Part name Q’ty Remarks
12 Clutch plate 7
13 Friction plate 8
14 Nut 1
Use special tool.
Refer to “REMOVAL POINTS”. 15 Lock washer 1
16 Clutch boss 1
17 T
Trending: weight, buttons, reset, heating, coolant, check oil, engine coolant