Yamaha XV19SX(C), Service Manual

Page: 34 / 494

ENGINE SPECIFICATIONS
2-7
Cylinder
Bore 100.000–100.010 mm (3.9370–3.9374 in)
Taper limit 0.050 mm (0.0020 in)
Out of round limit 0.050 mm (0.0020 in)
Piston
Piston-to-cylinder clearance 0.025–0.050 mm (0.0010–0.0020 in)
Limit 0.15 mm (0.0059 in)
Diameter D 99.960–99.975 mm (3.9354–3.9360 in)
Height H 10.0 mm (0.39 in)
Offset 0.50 mm (0.0197 in)
Piston pin bore inside diameter 23.004–23.015 mm (0.9057–0.9061 in)
Limit 23.045 mm (0.9073 in)
Piston pin outside diameter 22.991–23.000 mm (0.9052–0.9055 in)
Limit 22.971 mm (0.9044 in)
Piston-pin-to-piston-pin-bore clearance 0.004–0.024 mm (0.00016–0.00094 in)
Limit 0.074 mm (0.00291 in)
Piston ring
Top ring
Ring type Barrel
Dimensions (B
×
T) 1.20
×
3.80 mm (0.05
×
0.15 in)
End gap (installed) 0.20–0.35 mm (0.0079–0.0138 in)
Limit 0.55 mm (0.0217 in)
Ring side clearance 0.030–0.080 mm (0.0012–0.0032 in)
Limit 0.120 mm (0.0047 in)
2nd ring
Ring type Taper
Dimensions (B
×
T) 1.20
×
4.00 mm (0.05
×
0.16 in)
End gap (installed) 0.45–0.60 mm (0.0177–0.0236 in)
Limit 0.95 mm (0.0374 in)
Ring side clearance 0.030–0.070 mm (0.0012–0.0028 in)
Limit 0.120 mm (0.0047 in)
H
D
T
B
B
T