Maintenance Specifications; Engine - Yamaha TW125 1999 Service Manual

MAINTENANCE SPECIFICATIONS

ENGINE

Item
Cylinder head:
Warp limit
Cylinder:
Bore size
Taper limit
Out of runout limit
Camshaft:
Cam dimensions
Intake "A"
"B"
"C"
Exhaust "A"
"B"
"C"
Camshaft runout limit
Cam chain:
Cam chain type/No. of links
Cam chain adjustment
Rocker arm/rocker armshaft:
Rocker arm inside diameter
Rocker shaft outside diameter
Rocker arm-to-rocker armshaft
clearance
Valve, valve seat, valve guide:
Valve clearance (cold)
Valve dimensions
Head Dia.
"A" head diameter
"B" face width
"C" seat width
"D" margin thickness
Stem outside diameter
MAINTENANCE SPECIFICATIONS
Standard
SSS
57.00 X 57.02 mm
SSS
SSS
36.54 X 36.64 mm
30.13 X 30.23 mm
6.59 mm
36.58 X 36.68 mm
30.21 X 30.31 mm
6.63 mm
SSS
DID 25SH/104 EDESOLES
Automatic
12.000 X 12.018 mm
11.985 X 11.991 mm
0.009 X 0.033 mm
0.05 X 0.09 mm
IN
0.11 X 0.15 mm
EX
Face Width
28.9 X 29.1 mm
IN
23.9 X 24.1 mm
EX
2.4 X 2.8 mm
IN
2.4 X 2.8 mm
EX
0.9 X 1.1 mm
IN
0.9 X 1.1 mm
EX
0.8 X 1.2 mm
IN
0.8 X 1.2 mm
EX
5.975 X 5.990 mm
IN
5.960 X 5.975 mm
EX
2-4
Seat Width
SPEC
Limit
0.05 mm
57.1 mm
0.05 mm
0.01 mm
36.45 mm
30.05 mm
SSS
36.49 mm
30.13 mm
SSS
0.03 mm
SSS
SSS
12.036 mm
11.950 mm
SSS
SSS
SSS
Margin Thickness
SSS
SSS
SSS
SSS
SSS
SSS
SSS
SSS
5.955 mm
5.940 mm