Maintenance Specifications; Engine - Yamaha ttr230 Service Manual

MAINTENANCE SPECIFICATIONS

ENGINE

Head:
Warping threshold
Cylinder:
Diameter
<Wear threshold>
Measuring point(a)
Camshaft:
Transmission
External shaft diameter
Shaft clearance - bearing
Cam measures
Intake
Exhaust
<Shaft warping limit>
Command chain:
Command chain type
# of links
Chain adjustment method
Rocker / Rocker shaft:
Internal diameter of the rocker hole
External diameter of the rocker shaft
Clearance between the rocker and rocker shaft
Valve, valve seat, valve guide:
Valve clearance (cold)
Valve measures
Intake
Head diameter
Face width
Seat width
Edge thickness
MAINTENANCE SPECIFICATIONS
Model
"A"
"B"
"C"
"A"
"B"
"C"
INTAKE
EXHAUST
"A"
"B"
"C"
"D"
<0.03 mm>
* The lines indicate measurement in right angle
69.970~70.020 mm
<70.100 mm>
40 mm
By link(LE)
24.960~24.980 mm
0.020~0.061 mm
36.510~36.610 mm
30.100~30.200 mm
6.500~6.620 mm
36.510~36.610 mm
30.150~30.250 mm
6.500~6.620 mm
<0.03 mm>
DID25SH
104 links
Automatic
12.000~12.018 mm
11.981~11.991 mm
0.009~0.037 mm
0.05~0.09 mm
0.15~0.19 mm
33.9~34.1 mm
2.260 mm
0.9~1.1 mm
0.8~1.2 mm
2-4
SPEC
TTR 230T