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ENG
VALVES AND VALVE SPRINGS
Valve spring
1.
Measure:
• Valve spring free length
a
Out of specification
→
Replace.
Free length
(valve spring):
Intake:
36.58 mm (1.44 in)
<Limit>:
35.58 mm (1.40 in)
Exhaust:
37.54 mm (1.48 in)
<Limit>:
36.54 mm (1.44 in)
2.
Measure:
• Compressed spring force
a
Out of specification
→
Replace.
b
Installed length
3.
Measure:
• Spring tilt
a
Out of specification
→
Replace.
Compressed spring
force:
Intake:
103 ~ 118 N at
29.13 mm
(10.50 ~ 12.09 kg at
29.13 mm,
23.15 ~ 26.66 lb at
1.15 in)
Exhaust:
126 ~ 144 N at
29.30 mm
(12.85 ~ 14.68 kg at
29.30 mm,
28.32 ~ 32.37 lb at
1.15 in)
Spring tilt limit:
Intake:
2.5°/1.6 mm (0.063 in)
Exhaust:
2.5°/1.6 mm (0.063 in)
Valve lifter
1.
Inspect:
• Valve lifter
Scratches/damage
→
Replace
both lifters and cylinder head.
Ressort de soupape
1.
Mesurer:
• Longueur libre du ressort de sou-
pape
a
Hors spécifications
→
Rempla-
cer.
Longueur libre
(ressort de soupape):
Admission:
36,58 mm (1,44 in)
<Limite>:
35,58 mm (1,40 in)
Echappement:
37,54 mm (1,48 in)
<Limite>:
36,54 mm (1,44 in)
2.
Mesurer:
• Force du ressort comprimé
a
Hors spécifications
→
Rempla-
cer.
b
Longueur monté
3.
Mesurer:
• Inclinaison du ressort
a
Hors spécifications
→
Rempla-
cer.
Force du ressort
comprimé:
Admission:
103 à 118 N à
29,13 mm
(10,50 à 12,09 kg à
29,13 mm,
23,15 à 26,66 lb à
1,15 in)
Echappement:
126 à 144 N à 29,30 mm
(12,85 à 14,68 kg à
29,30 mm,
28,32 à 32,37 lb à
1,15 in)
Limite d’inclinaison du
ressort:
Admission:
2,5°/1,6 mm (0,063 in)
Echappement:
2,5°/1,6 mm (0,063 in)
Poussoir de soupape
1.
Contrôler:
• Poussoir de soupape
Rayures/endommagement
→
Remplacer les poussoirs et la
culasse.
SOUPAPES ET RESSORTS DE SOUPAPES
Содержание WR250F(W)
Страница 51: ...1 26 GEN INFO MEMO...
Страница 89: ...1 64 GEN INFO MEMO...
Страница 189: ...2 96 SPEC MEMO...
Страница 192: ...SPEC 2 99 LUBRICATION DIAGRAMS 1 Crankshaft 2 Oil filter element 3 Oil tank 4 Oil hose From oil pump...
Страница 285: ...3 74 INSP ADJ MEMO...
Страница 379: ...4 20 TUN MEMO...
Страница 831: ...7 10 ELEC MEMO...
Страница 847: ...7 26 ELEC MEMO...
Страница 869: ...7 48 ELEC MEMO...
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