Kubota MX5100 - Page 101

1-S9
MX5100, WSM
ENGINE
ENGINE BODY (Continued)
W1117772
Item Factory Specification Allowable Limit
Balancer Shaft Journal 1 to Balancer Shaft
Bearing 1
Balancer Shaft Journal 1
Balancer Shaft Bearing 1
Oil Clearance
O.D.
I.D.
0.0300 to 0.111 mm
0.00119 to 0.00437 in.
43.934 to 43.950 mm
1.7297 to 1.7303 in.
43.980 to 44.045 mm
1.7315 to 1.7340 in.
0.20 mm
0.0079 in.
–
–
Balancer Shaft Journal 2 to Balancer Shaft
Bearing 2
Balancer Shaft Journal 2
Balancer Shaft Bearing 2
Oil Clearance
O.D.
I.D.
0.0300 to 0.111 mm
0.00119 to 0.00437 in.
41.934 to 41.950 mm
1.6509 to 1.6515 in.
41.980 to 42.045 mm
1.6528 to 1.6553 in.
0.20 mm
0.0079 in.
–
–
Balancer Shaft Journal 3 to Balancer Shaft
Bearing 3
Balancer Shaft Journal 3
Balancer Shaft Bearing 3
Oil Clearance
O.D.
I.D.
0.020 to 0.094 mm
0.00079 to 0.0037 in.
21.947 to 21.960 mm
0.86406 to 0.86456 in.
21.980 to 22.041 mm
0.86536 to 0.86775 in.
0.20 mm
0.0079 in.
–
–
Piston Pin Bore I.D. 25.000 to 25.013 mm
0.98426 to 0.98476 in.
25.05 mm
0.9862 in.
Second Ring to Ring Groove Clearance 0.0930 to 0.128 mm
0.00367 to 0.00503 in.
0.20 mm
0.0079 in.
Oil Ring to Ring Groove Clearance 0.020 to 0.060 mm
0.00079 to 0.0023 in.
0.15 mm
0.0059 in.
Top Ring Ring Gap 0.20 to 0.35 mm
0.0079 to 0.013 in.
1.25 mm
0.0492 in.
Second Ring Ring Gap 0.40 to 0.55 mm
0.016 to 0.021 in.
1.25 mm
0.0492 in.
Oil Ring Ring Gap 0.25 to 0.45 mm
0.0099 to 0.017 in.
1.25 mm
0.0492 in.
Connecting Rod Alignment – 0.05 mm
0.002 in.
Piston Pin to Small End Bushing
Piston Pin
Small End Bushing
Oil Clearance
O.D.
I.D.
0.014 to 0.036 mm
0.00056 to 0.0014 in.
25.004 to 25.011 mm
0.98441 to 0.98468 in.
25.025 to 25.040 mm
0.98524 to 0.98582 in.
0.15 mm
0.0059 in.
–
–
Crankshaft Alignment – 0.02 mm
0.0008 in.