CASE - DB: Technical Specifications
Technical Specifications
NOTE: Parts shown are BARE-Co parts - original part numbers are shown for reference only.
Application
Crankshaft
Journal Sizes
Torque Settings
Valve Clearance
Main Bearings
Con Rod
Bearings
Cylinder
Head
Main Bearings
Con Rod
Bearings
Inlet
Exhaust

990 Implematic
3 5/8" (92.1mm) bore

2.4990"
to
2.4995"
2.2480"
to
2.2485"
90 ft lb
140 ft lb
50 ft lb
0.015"
0.012"

770 [3 cylinder 3 15/16" (100mm) bore] Piston length = 4.4" (112mm)

2.3730"
to
2.3735"
120 ft lb
0.010"
0.010"

780, 880 (3 cylinder)
885

1190, 1194

100 ft lb

990 Selectomatic
995, 1200, 1210, 1212

90 ft lb
140 ft lb

1290, 1294, 1390, 1394

100 ft lb
160 ft lb

1410, 1412, 1490, 1494

2.6240"
to
2.6245"
2.4980"
to
2.4985"
160 ft lb
outer

inner
220 ft lb

1690
1690
Turbo
1594, 1694

2.749"
to
2.750"
2.3728"
to
2.3732"
160 ft lb
Technical Specifications