Maintenance Specifications; Engine - Yamaha YZ85(T) Owner's Service Manual

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MAINTENANCE SPECIFICATIONS

ENGINE

Cylinder head:
Combustion chamber capacity
Warp limit
Cylinder:
Bore size
Taper limit
Out of round limit
Piston:
Piston to cylinder clearance
Piston size "D"
Measuring point "H"
Piston off-set
Piston pin bore inside diameter
Piston pin outside diameter
Piston ring:
Type
Dimensions (B × T)
End gap (installed)
Side clearance (installed)
MAINTENANCE SPECIFICATIONS
Item
T
Standard
3
7.14 cm
(0.25 Imp oz, 0.24 US oz)
----
47.500 ~ 47.514 mm
(1.8701 ~ 1.8706 in)
----
----
0.040 ~ 0.045 mm
(0.0016 ~ 0.0018 in)
47.457 ~ 47.472 mm
(1.8684 ~ 1.8690 in)
20 mm (0.79 in)
1.0 mm (0.039 in)/EX-side
14.004 ~ 14.015 mm
(0.5513 ~ 0.5518 in)
13.996 ~ 14.000 mm
(0.5510 ~ 0.5512 in)
B
Plain
0.8 × 2.0 mm (0.031 × 0.079 in)
0.30 ~ 0.45 mm
(0.012 ~ 0.018 in)
0.030 ~ 0.065 mm
(0.001 ~ 0.003 in)
2 - 4
SPEC
Limit
----
0.03 mm
(0.0012 in)
47.6 mm
(1.8740 in)
0.05 mm
(0.0020 in)
0.01 mm
(0.0004 in)
0.1 mm
(0.004 in)
----
----
----
14.040 mm
(0.5528 in)
13.975 mm
(0.5502 in)
----
----
0.80 mm
(0.031 in)
0.1 mm
(0.004 in)

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