Yamaha F200B, Service Manual

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Power unit technical data
Power unit
Cylinder head assembly
Item Unit
Model
F200BET FL200BET F250GET FL250GET
Cylinder
Minimum compression
pressure (*1)
kPa
(kgf/cm
2
,
psi)
630.0 (6.30, 91.4)
Engine oil
Oil pressure (*2)
At 60 °C (140 °F) with SL
10W-30 engine oil and at
650 r/min kPa
(kgf/cm
2
,
psi)
507.3 (5.073, 73.6)
At 62 °C (144 °F) with SL
10W-30 engine oil and at
3000 r/min kPa
(kgf/cm
2
,
psi)
700.6 (7.006, 101.6)
Timing belt
Installation height mm (in) 2.0 (0.08)
Replacement engine oil quantity
(at periodic maintenance)
Without oil filter replacement
L (US qt,
Imp qt)
4.5 (4.76, 3.96)
With oil filter replacement
L (US qt,
Imp qt)
4.7 (4.97, 4.14)
(*1) Measuring conditions: Ambient temperature 20 °C (68 °F), wide open throttle, with spark plugs
removed from all cylinders. The figures are for reference only.
(*2) For details of the checking method, see “Checking the oil pressure” (7-1). The figures are for
reference only.
Item Unit
Model
F200BET FL200BET F250GET FL250GET
Cylinder head
Warpage limit mm (in) 0.10 (0.0039)
Journal inside diameter mm (in) 25.000–25.021 (0.9843–0.9851)
Valve stem
Diameter
Intake mm (in) 5.477–5.492 (0.2156–0.2162)
Exhaust mm (in) 5.464–5.479 (0.2151–0.2157)
Runout
Intake and exhaust mm (in) 0.010 (0.0004)
Valve guide
Inside diameter
Intake and exhaust mm (in) 5.504–5.522 (0.2167–0.2174)
Valve guide clearance
Intake mm (in) 0.012–0.045 (0.0005–0.0018)
Exhaust mm (in) 0.025–0.058 (0.0010–0.0023)
Installation height mm (in) 12.500–12.900 (0.4921–0.5079)
Electrical system technical data / Fuel system technical data / Power unit technical data