Yamaha 2008 Raptor 250, Service Manual

Page: 32 / 311

SPEC
2-9
Item Standard Limit
Balancer
Balancer drive method Gear • • •
Clutch
Friction plate 1 (inside dia.: 104.5 ~
105.5 mm)
Thickness 2.9 ~ 3.1 mm (0.114 ~ 0.122 in) 2.8 mm
(0.110 in)
Quantity 4 • • •
Friction plate 2 (inside dia.: 104.5 ~
105.5 mm)
Thickness 2.9 ~ 3.1 mm (0.114 ~ 0.122 in) 2.8 mm
(0.110 in)
Quantity 2 • • •
Clutch plate
Thickness 1.5 ~ 1.7 mm (0.059 ~ 0.067 in) • • •
Quantity 5 • • •
Max. warpage • • • 0.2 mm
(0.0079 in)
Clutch spring
Free length 47.8 mm (1.88 in) 45.4 mm
(1.79 in)
Quantity 5 • • •
Clutch release method Inner push, cam push • • •
Push rod 2 bending limit • • • 0.1 mm
(0.004 in)
Transmission
Main axle runout limit • • • 0.06 mm
(0.0024 in)
Drive axle runout limit • • • 0.06 mm
(0.0024 in)
Main axle assembly width 102.2 ~ 102.4 mm (4.02 ~ 4.03 in) • • •
Shifter
Shifter type Shift drum and guide bar • • •
Max. shift fork guide bar bending • • • 0.05 mm
(0.002 in)
Air filter oil grade Foam air filter oil or equivalent oil
• • •
ENGINE SPECIFICATIONS