Kawasaki S2 (1972-1973) [100/129] Drive chain

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10 DRIVE CHAIN 1 Construction Operation The drive chain transmits engine power to the rear wheel and together with the front and rear sprockets performs secondary reduction Chain SuctioiT is illustrated below Wear curs between the pin and bushing and bushing and rota due to chain movement and tension and causes the chain to lengthen Chain slack is also produced from wear of the roller surfaces again me sprockets If chain play becomes great enough it can cause the chain to snap or come off the sprocket so this play should be checked and adjustment made at regular intervals And along with chain adjustment wheel alignment be taken into consideration Misalignment w I cause the chain to snap or slip off the sprock and cause abnormal chain and sprocket wear reducing power transmission efficiency Table 47 Chain Specifications No of Links Type SI SIA 102 EK525SH G SIB sic KH250 A5 108 EK525SH G KH25O B1 S2 S2A 98 Model S3 S3A KH400 A3 104 102 104 EK53OSH G EK530SH G EK530SH G European model 2 Inspection Adjustment a Lack of lubrication will greatly hasten chain wear as will dirt sticking to the chain and grinding against it Wash the chain in gasoline or solvent and lubricate it just enough to ensure smooth operation but do not use so much oil as to co eel dkt or to be flung off as the chain turns b With the motorcycle in its normal standing position on the front and rear wheels check chain play at the center of the chain as illustrated Hay must be more dun 3 8 10 mm and should never be allowed to exceed 1 1 2 40 mm Adjust the chain using the chain adjusters if i s out of tolerance Standard adjustment is 3 4 20 mm See Fig 347 c To adjust the chain first loosen the rear torque link mounting nut the axle nut axle deeve nut and chain adjuster lock nuts Also loosen he rear brake adjusting nut if necessary Tighteni he chain by screwing in the chain adjuster bol Ixioscn the chain by backing out the bolls and kicking the rear wheel forward Check thei adjustment as explained in the previous paragraph b TO keep the wheels properly aligned make sure the right and left sides are adjusted evenly so both chain adjusters point to the same mark on the swing arm

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