Kawasaki S2 (1972-1973) [41/129] Crankshaft

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b Breather Hole Inspect and clean this in the same manner as for the oil passages If this hole becomes clogged oil pressure will build up and cause oil to leak from between the crankcase and the left cover 3 Assembly Assembly is the reverse of disassembly NOTE 1 To avert any possible oil leakage clean the crankcase gasket surfaces thoroughly with gasoline wipe them dry and apply an even layer of Kawasaki Bond sealer on he lower crankcase gasket surface 2 When replacing the mounting nuts starting from the center of the crankcase and working to the outside ends tighten the nuts with a torque wrench to this tightness Table 15 11 CRANKSHAFT The intermittent force of exploding gaso hammers on the pistons and the resultant up a down motion of the pistons is received by crankshaft and changed into shaft rotation D to the powerful force involved crankshaft play runout will cause damage to the crankca bearings etc and will produce noise vibrat and result in a loss of power It is therefore critical importance to overall engine life to m necessary repairs as early as possible However crankshaft assembly demands prec measurement of rotational balance big clearance the exact mounting angle of e connecting rod and the force by which the pre fitted crank pins are being compressed It follo that for crankshaft repair and assembly hydraulic press and other specialized equipm plus high a degree of technical skill is necessary This manual deals only with comm crankshaft troubles and the manner in which various checks are performed If any parts are of tolerance or if inspection indicates tliat re is necessary it is recommended that the cra shaft be replaced as an assembly Nut Size Torque 8 mm 9 0 25 0 ft lbs 2 6 3 5 kg M 1 Disassembly 6 mm 11 5 16 0 ft lbs 1 6 2 2 kg M Lightly tap boll ends of the crankshaft with mallet and remove it from the upper crankcase

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