Maintenance Specifications - Yamaha SXV70ERG Supplementary Service Manual

MAINTENANCE SPECIFICATIONS

ENGINE
Model
Cylinder head:
Volume (with spark plug)
<Warp limit>
Cylinder:
Material
Bore size
<Wear limit>
<Taper limit>
<Out-of-round limit>
Piston:
Piston size (D)
a
Measuring point
Piston to-cylinder clearance
<Limit>
Piston offset
Piston offset direction
Piston pin bore inside diameter
Piston pin:
Piston pin outside diameter
Piston pin length
Piston ring:
Sectional sketch
Top Ring
2nd Ring
End gap (installed)
Side clearance
Coating
MAINTENANCE SPECIFICATIONS
#1: 24.55 X 24.85 cm
#2, #3: 21.35 X 21.65 cm
<0.03 mm (0.0012 in)>
*Lines indicate straight edge measurement.
Aluminum alloy with dispersion coating
69.000 X 69.014 mm
(2.7165 X 2.7171 in)
<69.100 mm (2.7205 in)>
<0.05 mm (0.002 in)>
<0.01 mm (0.0004 in)>
68.927 X 68.930 mm
(2.7137 X 2.7138 in)
10 mm (0.39 in)
0.070 X 0.075 mm
(0.0028 X 0.0030 in)
<0.25 mm (0.010 in)>
0.75 mm (0.0295 in)
EX side
20.004 X 20.015 mm (0.7876 X 0.7880 in)
19.995 X 20.000 mm (0.7872 X 0.7874 in)
55.7 X 56.0 mm (2.193 X 2.205 in)
Keystone
B = 1.20 mm (0.047 in)
T = 2.75 mm (0.108 in)
Keystone
B = 1.20 mm (0.047 in)
T = 2.75 mm (0.108 in)
0.35 X 0.55 mm (0.014 X 0.022 in)
Top Ring
0.35 X 0.55 mm (0.014 X 0.022 in)
2nd Ring
0.02 X 0.06 mm (0.0008 X 0.0024 in)
Top Ring
0.02 X 0.06 mm (0.0008 X 0.0024 in)
2nd Ring
Top Ring Chrome plated/Parkerrizing
2nd Ring Chrome plated/Parkerrizing
–130–
SPEC
SXV70/SXV70ER
(1.50 X 1.52 cu.in)
3
(1.30 X 1.32 cu.in)
3