ENGINE TORQUE SPECIFICATIONS

Fastners ft. lbs mkg.
Connecting Rod Nuts 22-25 3.5
Crankcase Nuts (12mm) 18 2.5
Crankcase Nuts (8mm) 14 2
Cylinder Head Nuts (10mm) 23 3.2
Cylinder Head Nuts (8mm) 18 2.5
Rocker Shaft Nuts 14-18 2.5
Crankshaft to Flywheel Bolt 253 35
Sump Screen Nuts 5 0.7
Oil Drain Plug 25 3.5
Oil Pump Nuts 14 2
Clutch to Flywheel Bolts 18 2.5
Spark Plugs 22-29 4
Generator Pulley Nut 40-47 6.5
Fan Nut 40-47 6.5
Crankshaft Pulley Bolt 29-36 5
Engine to Transmission 22 3

ENGINE DISPLACEMENT TABLE

BORE STROKE ENGINE DISPLACEMENT IN CC's
64 69 74 76 78.4 82
77 1192* 1286** 1378 1415 1460 1527
83 1385 1493+ 1601 1644 1696 1774
85.5 1496 1584++ 1699 1745 1800 1882
87 1521 1641 1759 1806 1863 1949
88 1556 1679 1799 1848 1906 1994
90.5 1646 1776 1903 1955 2016 2110
92 1700 1835 1967 2020 2084 2180
94 1776 1915 2052 2109 2175 2275
* Stock 1200cc, **Stock 1300cc, +Stock 1500cc, ++Stock 1600cc

DECK VOLUME TABLE

Deck Height Piston Size Deck Height in CC's
85.5mm 87mm 88mm 90.5mm 92mm 94mm
.030" 4.36 4.51 4.62 4.88 5.04 5.27
.035" 5.16 5.34 5.47 5.78 5.97 6.24
.040" 5.79 6 6.13 6.49 6.71 7
.045" 6.71 6.54 7.11 7.52 7.77 8.11
.050" 7.28 6.95 7.72 8.16 8.43 8.8
.055" 8.03 8.31 8.51 9 9.3 9.71
.060" 8.72 9.03 9.24 9.77 10.09 10.54
.065" 9.46 9.8 10.03 10.6 10.96 11.44
.070" 10.15 10.51 10.75 11.37 11.76 12.27
.075" 10.9 11.28 11.55 12.21 12.62 13.17
.080" 11.64 12.06 12.34 13.05 13.48 14.08
.085" 12.33 12.77 13.06 13.82 14.28 14.91