Measure the O.D. of the idler gear shaft [Figure 70-100-19]. Measure the I.D. of the idler gear bushing [Figure 70-100-19]. If the clearance exceeds the…

Measure the cylinder block bore in the engine block [Figure 70-100-15]. Measure the camshaft journal [Figure 70-100-16]. Calculate the oil clearance. If the clearance exceeds…

Remove the timing gearcase cover. (See Timing Gearcase Cover Removal And Installation on Page 70-100-1.) Remove the snap ring (Item 1) and collar from the…

When the gears are installed, check the backlash of the gears. Install a dial indicator [Figure 70-100-10]. Hold one gear while turning the other gear…

Bend a hook on the end of a 7.87 in. (200 mm) long, 0.050 in. (1.2 mm) diameter hard wire [Figure 70-100-1]. Disconnect the two…

Put the crankshaft on V-blocks. Install a dial indicator on the center journal [Figure 70-90-24]. Turn the crankshaft at a slow rate to obtain the…

Remove the piston and connecting rod assemblies. (See Piston And Connecting Rod Removal And Installation on Page 70-90-1.) Mark and remove the inside screws (Item…

NOTE: The small end bushing is the basis of this check, check the bushing for wear before doing this check. Install the piston pin into…

Use a gauge to check the inside measurement of the cylinder bore [Figure 70-90-13].   Measure the six points as shown in figure [Figure 70-90-14]…

Measure the I.D. of the piston pin bore in both horizontal and vertical directions [Figure 70-90-7]. If the measurement exceeds the allowable limit, replace the…