Yamaha 2004 YP400 Service Manual page 42

Item
Rear brake
Brake type
Operation
Recommended fluid
Brake discs
Diameter × thickness
Minimum thickness
Maximum deflection
Brake pad lining thickness
Master cylinder inside diameter
Caliper cylinder inside diameter
Front suspension
Suspension type
Front fork type
Front fork travel
Spring
Free length
Installed length
Spring rate (K1)
Spring rate (K2)
Spring stroke (K1)
Spring stroke (K2)
Inner tube outer diameter
Inner tube bending limit
Optional spring available
Fork oil
Recommended oil
Quantity (each front fork leg)
Level (from the top of the inner
tube, with the inner tube fully com-
pressed, and without the fork
spring)
CHASSIS SPECIFICATIONS
Standard
Single-disc brake
Left-hand operation
DOT 4
267 × 5 mm (10.51 × 0.20 in)
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8.3 mm (0.33 in)
14.0 mm (0.55 in)
38.1 mm (1.50 in)
Telescopic fork
Coil spring/oil damper
120 mm (4.72 in)
316.7 mm (12.47 in)
296.7 mm (11.68 in)
14.09 N/mm (1.44 kg/mm, 80.45 lb/in)
26.67 N/mm (2.72 kg/mm, 152.28 lb/in)
0 ~ 90 mm (0 ~ 3.5433 in)
90 ~ 120 mm (3.5433 ~ 4.7244 in)
41 mm (1.61 in)
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No
Fork oil 10 W or equivalent
0.298 L (0.262 Imp qt, 0.315 US qt)
88 mm (3.46 in)
2 - 12
SPEC
Limit
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4.5 mm
(0.18 in)
0.15 mm
(0.006 in)
0.8 mm
(0.03 in)
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310.4 mm
(12.22 in)
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0.2 mm
(0.01 in)
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