MAINTENANCE SPECIFICATIONS

SPEC

 

 

 

 

 

Item

 

 

 

 

 

 

 

Standard

Limit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stem runout limit

----

0.01 mm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(0.0004 in)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Valve seat width

IN

1.2 ~ 1.4 mm

----

 

 

(0.0472 ~ 0.0551 in)

 

 

EX

1.2 ~ 1.4 mm

----

 

 

(0.0472 ~ 0.0551 in)

 

 

 

 

 

Valve spring:

 

 

 

Inner spring

 

 

 

Free length

IN

39.9 mm (1.57 in)

37.9 mm

 

 

 

(1.49 in)

 

EX

39.9 mm (1.57 in)

37.9 mm

 

 

 

(1.49 in)

Set length (valve closed)

IN

33.6 mm (1.32 in)

----

 

EX

33.6 mm (1.32 in)

----

Compressed pressure

 

 

 

(installed)

IN

104.9 ~ 120.6 N (10.70 ~

----

 

 

12.30 kg, 23.58 ~ 27.11 lb)

 

 

EX

104.9 ~ 120.6 N (10.70 ~

----

Tilt limit *

 

12.30 kg, 23.58 ~ 27.11 lb)

 

IN

 

2.5°/1.6 mm

 

 

 

(2.5°/0.06 in)

 

EX

 

2.5°/1.6 mm

 

 

 

(2.5°/0.06 in)

Direction of winding

 

 

 

(top view)

IN

Counterclockwise

----

 

EX

Counterclockwise

----

Outer spring

 

 

 

Free length

IN

43.27 mm (1.70 in)

41.27 mm

 

 

 

(1.62 in)

 

EX

43.27 mm (1.70 in)

41.27 mm

 

 

 

(1.62 in)

Set length (valve closed)

IN

36.6 mm (1.44 in)

----

 

EX

36.6 mm (1.44 in)

----

Compressed pressure

 

 

 

(installed)

IN

235.4 ~ 251.1 N (24.00 ~

----

 

 

25.60 kg, 52.91 ~ 56.45 lb)

 

 

EX

235.4 ~ 251.1 N (24.00 ~

----

 

 

25.60 kg, 52.91 ~ 56.45 lb)

 

2 - 6

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Image 31
Yamaha 5TE-F8197-10, LIT-11616-16-02 service manual 41.27 mm