Yamaha F225F Service Manual page 43

Item
Valve stem
Diameter
Intake
Exhaust
Runout
Intake and exhaust
Valve guide
Inside diameter
Intake and exhaust
Valve guide clearance
Intake
Exhaust
Installation height
Item
Valve lifter
Outside diameter
Valve lifter clearance
Camshaft
Cam lobe height
Intake
Exhaust
Cam lobe width
Intake and exhaust
Journal diameter
Runout
Cylinder head
Warpage limit
Journal inside diameter
Valve spring
Free length
Tilt limit
Valve
Clearance
Intake
Exhaust
Seat contact width
Intake
Exhaust
Margin thickness
Intake
Exhaust
Unit
F225FET
mm (in) 5.477–5.492 (0.2156–0.2162)
mm (in) 5.464–5.479 (0.2151–0.2157)
mm (in)
mm (in) 5.504–5.522 (0.2167–0.2174)
mm (in) 0.012–0.045 (0.0005–0.0018)
mm (in) 0.025–0.058 (0.0010–0.0023)
mm (in) 11.300–11.700 (0.4449–0.4606)
Unit
F300BET
mm (in) 30.970–30.980 (1.2193–1.2197)
mm (in) 0.020–0.055 (0.0008–0.0022)
mm (in) 46.661–46.761 (1.8370–1.8410)
mm (in) 46.960–47.060 (1.8488–1.8528)
mm (in) 35.950–36.050 (1.4154–1.4193)
mm (in) 24.960–24.980 (0.9827–0.9835)
mm (in)
mm (in)
mm (in) 25.000–25.021 (0.9843–0.9851)
mm (in)
mm (in)
mm (in) 0.205 ± 0.035 (0.0081 ± 0.0014)
mm (in) 0.345 ± 0.035 (0.0136 ± 0.0014)
mm (in) 1.100–1.400 (0.0433–0.0551)
mm (in) 1.400–1.700 (0.0551–0.0669)
mm (in) 0.750–1.150 (0.0295–0.0453)
mm (in) 0.900–1.300 (0.0354–0.0512)
Power unit technical data
Model
FL225FET F250DET
0.01 (0.0004)
Model
FL300BET
0.030 (0.0012)
0.10 (0.0039)
48.1 (1.89)
1.7 (0.07)
FL250DET
0
1
2
3
4
5
6
7
8
9
10
A
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