1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 218Get this manual
208 Table 10 ENGINE TIGHTENING TORQUES N.m
Coolant outlet housing Coolant pump, Impeller Cooling shroud Air-cooled 431 cc engine (Z 440 and Panther 440 1995-1998) Crankcase bolts 529 cc engine (1990-1991 EI Tigre) 6mm 8mm Fan Cooled 431 cc engine (Z 440 and Panther 440 1995-1998) 6mm 8mm 435.8, 550 and 580 cc engines 6mm 8mm 437.4 cc engine (1996-on ZR 440) Three-cylinder 594 cc engine Cylinder head 529 cc Engine (1990-1991 EI Tigre) Air-cooled 431 cc engine (Z 440 and Panther 440 1995-1998) 435.8 cc engine (except 1993-1995 ZR 440) 435.8 cc engine (1993-1995 ZR 440) 437.4 cc engine (1996-on ZR 440) 496.5 and 599 cc engines 550 and 580 cc engines Three-cylinder 594 cc engine Cylinder base screws or nuts Prowler Cougar 1991-1994 1995-1998 Panther Powder Extreme, Powder Special 440 and Panther 440 (cylhead) ZL 440500 ZR440 EI Tigre (529 cc) M8 M10 EI Tigre (550 cc) EXT 550 EXT 580 1994 1995-1998 ZR580 1993-1994 1995-1997 EXT 600 7-10 8-12