Yamaha SR 500 Wartungsanleitung Seite 106

Items
(S). (D). IN), (SW) !Hl.
(Il, (Al.
(G)
(El, (B), (F) (OA)
Windlng outside diameter : lnner
23.4 mm (0.921 in)
+-
+- +-
Outer 32.9 mm (1.295 in)
+- +-
+-
Tilt li mit from vertical: lnner
1.97 mm (0.0776 in)
+- +- +-
Outer
1.97 mm (0.0776 in)
+- +- +-
Cyfinder:
Mater lai
Aluminium alloy wlth special cast iron sleeve
+- +-
+-
Bore size
87.00 "" 87.02 mm <(87 .1 mm~
+- +-
+-
(3.4252- 3.4260 ln <(3.429 in)>)
Taper llm it 0.05 mm (0.0020 in) +- +-
....
Out of round limit
0.01 mm {0.0004 in} +- +- +-
·-·
.
·- ··
-------- ·--· ...
Piston :
Piston clearance
0.050 - 0.055 mm (0.0020
~
0.0022 in)
+- +-
+-
Piston clearance measuring position {from
piston skirt bottom)
7.2 mm (0.283 in)
+- +- +-
Piston pin bore si:ze 20.00 - 20.02 mm
~20.08
mmli> +- +- +-
(0.7874- 0.7882 in
~ 0.7905 in~ )
Piston pin outside diameter
19.99 - 20.00 <( 19.96 mm)>
+-
+-
+-
10.7870-
O.
7874 in
~0.
7858
in~ }
Piston pin length 75 mm (2 .95 in) +- +- +-
Over size piston diameter: 1st
87.25 mm (3.4350 in) +- +- +-
2nd
87.50 mm (3.4449 in)
+- +- +-
3rd 87.75 mm (3.4547 in) +- +- +-
4th
88.00 mm (3.4646 in)
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+-
+-
- - ·--- --- --·
-
Piston ring:
Piston ring design: Top ring Plain ring +- +- +-
2nd ring Plain ring +- +- +-
Oil ring Oil ring with expander
+- +- +-
Ring end gap linstaiJed} : Top ring
0.3 - 0.5 mm <0.8 mm)>
+-
+-
.....
(0.012- 0.020 in <0.030 in)>)
2nd ring
0.3 - 0.5 mm <(0.8 mm)>
+- +-
""' "
(0.012 - 0.020 ln <0.031
i~l
Oil ring 0.2 "" 0.9 mm <(1.0 mm)> +-
+-
+-
(0.0016- 0.035 in <0.039 in)>)
Ring groove side clearance: Top ring
0.04- 0.08 mm <(0.15 mm)>
+- +- +-
(0.0016- 0.0031 in < 0.0059 in)>)
2nd ring
0.03 - 0.07 mm <0.15 mm:t> +- +-
+-
(0.0012- 0.0028 in < 0.0059 in)>)
Oil ring N.A. +- +-
+-
Over size piston ring : lst 87.25 mm (3.4350 inl +-
+-
+-
2nd
87.50 mm (3.4449 in)
+-
+- +-
3rd 87 .75 mm (3.4547 in) +- +- +-
10: