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XS360 (1976-1982)
Инструкция по эксплуатации Страница: 18

Yamaha XS360 (1976-1982) [18/34] Yamaha xs360 400

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Yamaha XS360 400 Removing the shift fork shaft circlip Checking the crankshaft for run out Removing the shift drum cam plate circlip After installing the shift forks 1 4 be sure that the transmission shaft bearing set rings are in them so that they can be installed in their place original locations 3 Remove the shift fork shaft circlips and Check all parts for damage due to overheat push out the shafts with grommets ing or lack of lubricant 4 Move the shift drum as far as possible to NOTE Gears should always be replaced in one side then remove the cam plate circlip pairs and the cam plate Remove the shift drum 3 Check that the gear shift fork fingers are not chipped worn or bent If any dam INSPECTION age is noted replace the shift fork in ques NOTE Do not disassemble the gear set tion unless inspection shows that replacement 4 Check that each shift fork moves freely of individual gears is necessary Gear shaft on its shaft If sticking or binding is noted circlips are not reusable and must be re determine the cause Check the shafts for a placed with new ones whenever the gear bent condition Replace any shafts which are set is taken apart even slightly bent If the gear set is disassembled carefully 5 Check the shift fork guide pins for lay out each piece in the order it is removed wear Also inspect the corresponding grooves to facilitate reassembly in the shift drum 1 Flush the transmission shaft bearings with clean motor oil and check operation ASSEMBLY Bearing rotation must be smooth effortless 1 Assemble the gear sets onto their and quiet There must be no play between shafts Use new circlips the inner and outer bearing races If damage 2 Install the shift drum fitting the cam is noted replace the bearings as a set plate on the drum as illustrated 2 Check the gear teeth for damage wear 3 Install the shift forks shafts and grom or pitting Pay close attention to the very mets base of the teeth Gears are surfacehardened 4 Be sure that the bearing locater rings and if this hardened layer is damaged what is are in place in the crankcase left will not last long Check the engaging 5 Use new oil seals Install the output dogs and or dog slots on each gear for chip shaft oil seal on the shaft before installation ping or wear Check that splined gears are a 6 Install the transmission shafts engaging good fit on their shaft neither too loose nor the shift fork fingers with the proper gears as too tight and that the splines on the shafts this is done Assembly is facilitated by ensur and on the gears are in good condition ing that the transmission is in neutral Check that gears with plain bores can rotate 7 Install the shift drum cam stopper plate freely but are not too loose on their shafts and the change lever guide Use a non permanent thread locking compound on these screws Install the cam plate on the shift drum as shown 1280 Crankshaft REMOVAL The crankshaft can be lifted out after the cases have been split INSPECTION 1 Mount the crank in a set of v blocks and measure run out with a dial gauge If run out Crankshaft bearing insert number locations Crankshaft bearing Insert number locations on the crank flywheels Checking big end axial play 2 Check the crankshaft bearing inserts in the crankshaft for scoring or obvious signs of wear and replace the inserts if the surfaces are not in good condition The inserts must be free of any defects or they should be re placed 3 Crankshaft bearings are replaced as a set and the correct color insert should be selected Replace bearing inserts with others of the same color If the color of the old bear ing is no longer visible refer to the following chart Note the crankcase number which is stamped on the case and the crank journal number inscribed on the crank flywheel Compare the two numbers to select the proper bearing insert

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