Specification
Desc./Quantity
Piston diameter - selection E
94.945 - 94.955 mm (3.73798 - 3.73837 in)
Cylinder diameter - selection E
95.010 - 95.020 mm (3.74054 - 3.74093 in)
Piston diameter - selection F
94.955 - 94.965 mm (3.73837 - 3.73877 in)
Cylinder diameter - selection F
95.020 - 95.030 mm (3.74093 - 3.74133 in)
PIN - PISTON COUPLING
Specification
Desc./Quantity
Pin diameter
21.998 - 21.994 mm (0.86606 - 0.86590 in)
Pin hole diameter on piston
22.016 - 22.011 mm (0.86677 - 0.86657 in)
Clearance between pin and holes on piston
0.013 - 0.022 mm (0.00051 - 0.00087 in)
Piston rings
On each piston there are:
•
1 top piston ring;
•
1 middle piston ring;
•
1 oil scraper piston ring.
Turn the rings so that the coupling ends are 120 degrees from each other.
CLEARANCE BETWEEN PISTON RINGS AND SEATS ON PISTON
Specification
Desc./Quantity
Top ring
0.030 - 0.065 mm (0.00118 - 0.00256 in)
Middle ring
0.020 - 0.055 mm (0.00079 - 0.00216 in)
Oil scraper ring
0.010 - 0.045 mm (0.00039 - 0.00177 in)
Gap between the end of the piston rings inserted in the cylinder:
•
Top and middle piston ring: 0.40 - 0.65 mm (0.00158 - 0.00255 in)
•
Oil scraper piston ring: 0.30 - 0.60 mm (0.00118 - 0.00236 in).
Characteristics
Stelvio 1200 NTX ABS
CHAR - 20
Revente Interdite - Revendita Vietata - Resaling Forbiden - Wiederverkauf Verboten