Yamaha XT225C, Service Manual

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SPEC
ENGINE SPECIFICATIONS
Item Standard Limit
Engine
Engine type Air-cooled, 4-stroke, SOHC ----
Displacement 223 cm
3
----
Cylinder arrangement Forward inclined single cylinder ----
Bore
×
stroke 70
×
58 mm (2.76
×
2.28 in) ----
Compression ratio 9.5 : 1 ----
Engine idling speed 1,300 ~ 1,500 r/min ----
Standard compression pressure
(at sea level) 1,200 kPa
(12.0 kgf/cm
2
, 174 psi) at 1,000 r/min
----
Camshaft
Drive system Chain drive (left) ----
Camshaft cap inside diameter 25.000 ~ 25.021 mm (0.9843 ~ 0.9851 in) ----
Camshaft journal diameter 24.960 ~ 24.980 mm (0.9827 ~ 0.9835 in) ----
Camshaft-journal-to-camshaft-cap
clearance 0.020 ~ 0.061 mm (0.0008 ~ 0.0024 in) ----
Intake camshaft lobe dimensions
Measurement A 36.51 ~ 36.61 mm (1.437 ~ 1.441 in) 36.41 mm
(1.43 in)
Measurement B 30.1 ~ 30.2 mm (1.185 ~ 1.189 in) 30.0 mm
(1.18 in)
Measurement C 6.50 ~ 6.62 mm (0.256 ~ 0.261 in) ----
Exhaust camshaft lobe dimensions
Measurement A 36.51 ~ 36.61 mm (1.437 ~ 1.441 in) 36.41 mm
(1.43 in)
Measurement B 30.15 ~ 30.25 mm (1.187 ~ 1.191 in) 30.05 mm
(1.18 in)
Measurement C 6.50 ~ 6.62 mm (0.256 ~ 0.261 in) ----
C
A
B
C
A
B
ENGINE SPECIFICATIONS