Yamaha YP400T Service Manual page 41

Item
Automatic centrifugal clutch
Clutch shoe thickness
Clutch shoe spring free length
Clutch housing inside diameter
Compression spring free length
Weight outside diameter
Clutch-in revolution
Clutch-stall revolution
V-belt
V-belt width
Transmission
Primary reduction system
Primary reduction ratio
Secondary reduction system
Secondary reduction ratio
Clutch type
Transmission type
Operation
Single speed automatic
Air filter
Air filter element
Air filter oil grade
Fuel pump
Pump type
Model (manufacturer)
Output pressure
Throttle body
Manufacturer
ID mark
Throttle cable free play (at the flange
of the throttle grip)
ENGINE SPECIFICATIONS
Standard
4.0 mm (0.16 in)
34.7 mm (1.37 in)
160 mm (6.30 in)
103.5 mm (4.075 in)
25 mm (0.98 in)
1,700 ~ 2,300 r/min
4,000 ~ 5,000 r/min
30 mm (1.18 in)
Helical gear
31/14 (2.214)
Helical gear
42/16 (2.625)
Dry, centrifugal automatic
V-belt automatic
Centrifugal automatic type
2.380 ~ 0.892:1
Oil-coated paper element
Foam air-filter oil or SAE10W30SE
Electrical
5RU (AISAN)
2
250 kPa (2.5 kg/cm , 35.6 psi)
AISAN
5RU4 10
3 ~ 5 mm (0.12 ~ 0.20 in)
2 - 9
SPEC
Limit
2.5 mm
(0.10 in)
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160.5 mm
(6.32 in)
91 mm
(3.58 in)
24.5 mm
(0.96 in)
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27 mm
(1.06 in)
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