Kawasaki GPX250R (1987) [73/248] 14 engine top end

Содержание

4 14 ENGINE TOP END Valve Guide Reamer A Straightedge 1 Valve Guide Reamer 57001 1204 Valve Installation Check to sec that the valve moves smoothly up and down in the guide Check to see that the valve scats properly in the valve seat If it does not repair the valve seat B Thickness Gauge Cylinder Head Warp Service Limit 0 05 mm Cylinder Head Cleaning Before installation below the oil passages clean with compressed air Valve and Springs 1 Valve Stem 2 Spring Seat 3 Oil Seal 4 Inner Spring 5 Outer Spring 6 Valve Spring Retainer 7 Spring Seat 8 Closed End Coil 9 Split Keeper Apply a thin coat of molybdenum disulfide engine assembly grease to the valve stem before valve in stallation oBe sure to install the inner and outer spring seats under the inner and outer springs Install the springs so that the closed coil end is facing toward the valve seat downwards Cylinder Head Warp Lay a straightedge across the lower surface of the head at several different points and measure warp by inserting a thickness gauge between the straightedge and the head If warp exceeds the service limit repair the mating surface Replace the cylinder head if the mating surface is badly damaged A Oil Passage

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