Item
Unit
Model
E40GMH E40GWH E40JMH E40JWH E40JW
Piston rings
Top ring
Dimension B
mm (in)
1.970–1.990 (0.0776–0.0783)
Dimension T
mm (in)
2.500–2.700 (0.0984–0.1063)
End gap
mm (in)
0.30–0.50 (0.0118–0.0197)
Side clearance
mm (in)
0.02–0.06 (0.0008–0.0024)
Oversize diameter
1st
mm (in)
78.25 (3.0807)
2nd
mm (in)
78.50 (3.0906)
2nd piston ring
Dimension B
mm (in)
1.970–1.990 (0.0776–0.0783)
Dimension T
mm (in)
2.500–2.700 (0.0984–0.1063)
End gap
mm (in)
0.30–0.50 (0.0118–0.0197)
Side clearance
mm (in)
0.03–0.07 (0.0012–0.0028)
Oversize diameter
1st
mm (in)
78.25 (3.0807)
2nd
mm (in)
78.50 (3.0906)
Connecting rods
Small-end inside diameter
mm (in)
24.900–24.912 (0.9803–0.9808)
Big-end side clearance
mm (in)
0.200–0.700 (0.0079–0.0276)
Small-end axial play limit
mm (in)
2.0 (0.08)
Crankshaft
Crankshaft width A
mm (in)
61.40–61.45 (2.4173–2.4193)
Crankshaft width B
mm (in)
41.38–41.60 (1.6291–1.6378)
Crankpin diameter
mm (in)
26.995–27.000 (1.0627–1.0629)
Runout limit
mm (in)
0.03 (0.0012)
Thermostat
Opening temperature
°C (°F)
58–62 (136–144)
Fully open temperature
°C (°F)
70 (158)
Valve open lower limit
mm (in)
3.0 (0.12)
Reed valves
Valve stopper height
mm (in)
4.0–4.4 (0.157–0.173)
Valve bending limit
mm (in)
0.2 (0.0079)
6F65G11
2-4
9
8
7
6
5
4
3
2
1
Maintenance specification
Summary of Contents for E40G
Page 1: ...E40J SERVICE MANUAL 6F6 28197 5G 11 E40G ...
Page 4: ......
Page 16: ...GEN INFO 1 11 6F65G11 MEMO ...
Page 28: ...2 11 6F65G11 SPEC MEMO ...
Page 54: ...FUEL 4 13 6F65G11 MEMO ...
Page 101: ...6F65G11 6 4 9 8 7 6 5 4 3 2 1 Special service tools Backlash indicator 90890 06706 ...
Page 120: ...LOWR 6 23 6F65G11 Lower unit Shimming M T 6F660860 ...
Page 199: ......
Page 200: ...YAMAHA MOTOR CO LTD Printed in Japan Jul 2004 0 8 1 E Printed on recycled paper ...