Yamaha ttr230 User Manual

SPEC
Camshaft:
Transmission
External shaft diameter
Shaft clearance - bearing
Cam measures
Intake ”A”
”B”
”C”
Exhaust ”A”
”B”
”C”
<Shaft warping limit>
Cylinder:
Diameter
<Wear threshold>
Measuring point(a)
MAINTENANCE SPECIFICATIONS
ENGINE
MAINTENANCE SPECIFICATIONS
* The lines indicate measurement in right angle
Model
TTR 230T
2-4
Valve, valve seat, valve guide:
Valve clearance (cold) INTAKE
EXHAUST
Valve measures
Intake
Head diameter ”A”
Face width ”B”
Seat width ”C”
Edge thickness “D”
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
Rocker / Rocker shaft:
Internal diameter of the rocker hole
External diameter of the rocker shaft
Clearance between the rocker and rocker shaft
Command chain:
Command chain type
# of links
Chain adjustment method
DID25SH
104 links
Automatic
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>
69.970~70.020 mm
<70.100 mm>
40 mm
Head:
Warping threshold
<0.03 mm>
12.000~12.018 mm
11.981~11.991 mm
0.009~0.037 mm

Yamaha ttr230 Specifications

General

Engine Type	223cc air-cooled SOHC 4-stroke; 2 valves
Bore x Stroke	70.0mm x 58.0mm
Compression Ratio	9.5:1
Ignition	CDI
Transmission	Constant-mesh 6-speed; multiplate wet clutch
Final Drive	Chain
Rear Suspension	Single shock; 8.7-in travel
Front Tire	80/100-21
Rear Tire	100/100-18
Length	81.3 in
Width	31.5 in
Seat Height	34.3 in
Wheelbase	54.5 in
Ground Clearance	11.6 in
Front Suspension	Telescopic fork
Rear Brake	Drum