Yamaha EF1000 - Maintenance Specifications

MAINTENANCE SPECIFICATIONS
Engine
PISTON
Piston Clearance
Piston Size "D"
<Limit>
Mesuring Point
"H"
PISTON PIN
Piston Pin Dia
<Limit>
PISTON RING
Top Ring
Dimensions
End Gap
<Limit>
Side Clearance
<Limit>
2nd Ring
Dimensions
End Gap
<Limit>
Side Clearance
<Limit>
Oil Ring
Dimensions
End Gap
<Limit>
CYLINDER HEAD
Warp Limit
CYLINDER
Bore Size
CRANKSHAFT
Unit
mm(in)
~H
D
mm (in)
mm (in)
~B
mm(in)
mm (in)
[ 1
mm (in)
Bill
~r
A
Big End Side Clearance "A"
Runout <Limit> "B"
Crank Pin Dia "C"
<Limit>
5-2
SPECIFICATIONS I SPEC I u •
EF1000
0.020-0.035 (0.0008-0.0014)
50.0 ( 1.969)
49.93 (1.966)
10 (0.4)
12.0 (0.47)
11.9 (0.468)
1.5
X 2.0 (0.059 X 0.079)
0.1-0.25 (0.004-0.01)
0.9 (0.035)
0.06 (0.0024)
0.15 (0.006)
1.5
X 2.0 (0.059 X 0.079)
0.1-0.25 (0.004-0.01)
0.9 (0.035)
0.04 (0.0016)
0.15 (0.006)
2.5
X 2.1 (0.098 X 0.083)
0.1-0.25 (0.004-0.01)
0.9 (0.0354)
0.5 (0.02)
50.0 (1.969)
0.2-0.6 (0.008-0.024)
0.02 (0.0008)
22.0 (0.87)
21.9 (0.86)