Yamaha Raptor 90 YFM90RA 2011 Service Manual page 29

Item
Compressed pressure
installed)
Tilt limit
Direction of winding
(top view)
Piston
Piston to cylinder clearance
Piston size "D"
D
Measuring point "H"
Piston off-set
Piston off-set direction
Piston pin bore inside diameter
Piston pin outside diameter
ENGINE SPECIFICATIONS
IN 73.87 ~ 90.06 N at 25.45 mm
7.52 ~ 9.18 kg,
16.59 ~ 20.24 lb at 1.00 in)
EX 73.87 ~ 90.06 N at 25.45 mm
7.52 ~ 9.18 kg,
16.59 ~ 20.24 lb at 1.00 in)
IN
EX
IN Counterclockwise
EX Counterclockwise
0.010 ~ 0.040 mm
(0.0004 ~ 0.0016 in)
46.970 ~ 46.990 mm
(1.8492 ~ 1.8500 in)
H
5.0 mm (0.20 in)
0.5 mm (0.02 in)
Intake side
13.002 ~ 13.008 mm
(0.5119 ~ 0.5121 in)
12.996 ~ 13.000 mm
(0.5117 ~ 0.5118 in)
2 - 7
SPEC
Standard Limit
----
----
2.0 °/1.2 mm
( 2.0
°/0.05 in)
2.0°/1.2 mm
( 2.0
°/0.05 in)
----
----
0.10 mm
(0.0039 in)
----
----
13.040 mm
(0.5134 in)
12.960 mm
(0.5102 in)