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Yanmar 4JH4E - Valve Springs

Yanmar 4JH4E
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5. Inspection and servicing of basic engine parts
188
5.2.4 Valve springs
(1) Checking valve springs
1) Check the spring for scratches or corrosion.
2) Measure the free length of the spring.
3) Measure inclination.
4) Measure spring tension.
3JH4E/4JH4E 4JH4-TE/4JH4-HTE
Valve spring Unit Standard Limit Standard Limit
Free length A mm 44.4 43.0 37.4 36.9
Inclination B mm 1.1 1.0
001509-01X
001511-00X
Inclination
Free length
001510-00E

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