Yamaha SR250G Service Manual page 86

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Ter
Raquited «Allowances
Valvehead dia 14) N.
x
Valve face width (BI IN
rx
Valve seat width (©) IN
EX
Valve margin thickness (OD) IN
x
Valve stuin ouisidy da IN
cx
Valve quide inside aia IN.
x
Valve stem to guide c l e e r a n :
Valve springs:
Froe length. nner
Outer
Installed engih (vslve closes}. Inner
Cute
Installed stessure (valve closed): Inner
Wire diarote": inner
stor
Wind na cutside diameter: Inner
Curr
Tilt limit from variceal: Inver
Cutw
Acme
om vere
17
rem 067 nln 25
=>
=
38 mm (1 496 in)
32 mm (1.260 0}
2.26 mm (0.089 in)
2 76 mm 10.089 in)
1.1 mm (6.043 ind
1.1 mm (€.043 in)
1.2 mm (C04! n)
1.9.mm (C039 in)
7
(0276
=32m0 in
(0.206
2001 py
7 ~ E 2 8 0
mm (o.2r6 _ 90012
7 +0917 mm (0.276 — 204% in
7 +6912 en (0.276 +2008 5
0.916 ~ 0.037 mm <0.07 mm
(2.0004 ~ 0.9018 in «0.0028 in»)
0.930 ~ 0.087
mm <0. mm>-
{0.9012 ~- 0.0022
in 40.0039 ins)
40 mm <3€ 8 mmp (1.57 in-<1.628 mp)
43.2 mm 441 9mmp (1.70 in <1.650 n>)
Ky — 2.07 kg/mm (1159 [/in)
= 271 kg/enmn (121 B itvin)
Ky = 3.99 kg/mm (218 4 Ibvin}
Ky = 5.18 kg/mm (289.0 ivan)
3 1 amin (1 34.i0)
ene (1.6610)
12 19 kg 26.88)
23-72 kg (52.30
25.1 mm 10.988 i)
28.1 mm 11-77 in)
36.57 ky (80.64 by)
70.13
kg (154.64 Ib)
3.9 mm 0.1581
4.2 mm (C1651)
2°. 8 mm (0.858 in)
37.1 mm (1.224 in
1.3 mm {0.067 in) o1 2.5
1.7 mm (0.067 in) or 25°
Deeston ol windings
op se battery
~~
{?

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