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YX600 (1984-1992)
Инструкция по эксплуатации Страница: 72

Yamaha YX600 (1984-1992) [72/200] Removal

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2 22 Chapter 2 Engine clutch and transmission 12 24a After lapping the valve face should exhibit a uniform unbroken pattern 12 24b and the seat should be the specified width arrow wit a smooth unbroken appearance 12 28a Install the springs with their closely spaced coils downward against the cylinder head 12 28b A small dab of grease will help hold the keepers in place on the valve spring while the valve is released uniform width and unbroken around the entire circumference of the valve face and seat see illustrations 25 Carefully remove the valve from the guide and wipe off all traces of lapping compound Use solvent to clean the valve and wipe the seat area thoroughly with a solvent soaked cloth 26 Repeat the procedure with fine valve lapping compound then repeat the entire procedure for the remaining valves 27 Lay the spring seats in place in the cylinder head then install new valve stem seals on each of the guides Use an appropriate size deep socket to push the seals into place until they are properly seated dor t twist or cock them or they will not seal properly against the valve stems Also don t remove them again or they will be damaged 28 Coat the valve stems and valve face with assembly lube or moly based grease then install one of them into its guide Next install the springs and retainers compress the springs and install the keepers Note Install the springs with the tightly wound coils at the bottom next to the spring seat see illustration When compressing the springs with the valve spring compressor depress them only as far as is absolutely necessary to slip the keepers into place Apply a small amount of grease to the keepers see illustration to help hold them in place as the pressure is released from the springs Make certain that the keepers are securely locked in their retaining grooves 29 Support the cylinder head on blocks so the valves can t contact the workbench top then very gently tap each of the valve stems with a soft faced hammer This will help seat the keepers in their grooves 30 Once all of the valves have been installed in the head check for proper valve sealing by pouring a small amount of solvent into eac the valve ports If the solvent leaks pasI the valve s into combustion chamber area disassemble the valve s and repeat lapping procedure then reinstall the valve s and repeat the che Repeat the procedure until a satisfactory seal is obtained 13 Cylinder block removal inspection and installation Removal Refer to illustrations 13 2 and 13 3 1 Following the procedure given in Section 10 remove the cylin head Make sure the crankshaft is positioned at Top Dead Cen TDC for cylinder no 1 2 Remove the oil hose clamp from the front of the cylinder block equipped Remove the nut from the stud that secures the block to crankcase see illustration 3 Lift the cylinder block straight up to remove it see illustration it s stuck tap around its perimeter with a soft faced hammer D attempt to pry between the block and the crankcase as you will r the sealing surfaces As you lift note the location of the dowel pins careful not to let these drop into the engine 4 Stuff clean shop towels around the pistons and remove gasket and all traces of old gasket material f om the surfaces of cylinder block and the cylinder head

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Какие главы содержит данное руководство по Yamaha FJ600, FZ600, XJ600 и YX600 Radian?

1 год назад