Wacker Neuson WM 90 Repair Manual page 92

Clearance Data and Limits Table
Piston
Outer diameter at skirt in thrust
direction
wc_gr001925
Ring groove-side clearance
wc_gr001926
Piston pin hole
wc_gr001927
Piston pin outside diameter
wc_gr001928
wc_tx000391gb.fm
Item
STD
Oversize
(+0.25)
Oversize
(+0.50)
Top
2nd
Oil Ring
Standard
mm (in.)
50.97–50.99
(2.0067–2.0075)
51.22–51.24
(2.0165–2.0173)
51.47–51.49
(2.0264–2.0272)
0.035–0.080
(0.0014–0.0031)
0.035–0.080
(0.0014–0.0031)
0.010–0.065
(0.0004–0.0026)
10.991–11.009
(0.4327–0.4334)
10.992–11.000
(0.4328–0.4331)
92
WM 90 Repair
Limit
mm (in.)
50.88
(2.0031)
51.13
(2.0123)
51.38
(2.0228
0.15
(0.006)
0.15
(0.006)
0.15
(0.006)
11.035
(0.4344)
6.05
(0.238)