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YAMAHA YZ250F(Y) Owner's Service Manual Page 30

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Intake vacuum
Hot starter lever free play
Lubrication system:
Oil filter type
Oil pump type
Tip clearance
Side clearance
Housing and rotor clearance
Cooling:
Radiator core size
Width
Height
Thickness
Radiator cap opening pressure
Radiator capacity (total)
Water pump
Type
CHASSIS
Item
Steering system:
Steering bearing type
Front suspension:
Front fork travel
Fork spring free length
Spring rate, STD
Optional spring
Oil capacity
Oil grade
Inner tube outer diameter
Front fork top end
Rear suspension:
Shock absorber travel
Spring free length
Fitting length
Preload length
<Min.–Max.>
Item
MAINTENANCE SPECIFICATIONS
Standard
29.3–34.7 kPa
(220–260 mmHg,
8.66–9.45 inHg)
3–6 mm (0.12–0.24
in)
Paper type
Trochoid type
0.12 mm or less (0.0047 in or less)
0.09–0.17 mm (0.0035–0.0067 in)
0.03–0.10 mm (0.0012–0.0039 in)
120.2 mm (4.7 in)
240 mm (9.4 in)
22 mm (0.9 in)
110 kPa (1.1 kg/cm
0.58 L (0.51 Imp qt, 0.61 US qt)
Single-suction centrifugal pump
Standard
Taper roller bearing
USA, CDN
300 mm (11.8 in)
454 mm (17.9 in)
K = 4.4 N/mm (0.449 kg/
mm, 25.1 lb/in)
Yes
3
521 cm
(18.3 lmp oz,
17.6 US oz)
Suspension oil "S1"
48 mm (1.89 in)
5 mm (0.20 in)
USA, CDN
131.5 mm (5.18 in)
260 mm (10.24 in)
251 mm (9.88 in)
1.5–13 mm (0.06–0.51
in)
2-8
2
, 15.6 psi)
EUROPE, AUS, NZ, ZA
K = 4.5 N/mm (0.459 kg/
mm, 25.7 lb/in)
EUROPE, AUS, NZ, ZA
248 mm (9.76 in)
Limit
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0.20 mm (0.008
in)
0.24 mm (0.009
in)
0.17 mm
(0.0067 in)
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Limit
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449 mm (17.7
in)
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This manual also for:

2009 yz250f2009 yz250fy

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  • Dave May 30, 2016 02:21:
    Really good really good really goodj