89 TransAlp Manual Crankshaft Transmission 5

CRANKSHAFT/TRANSMISSION

CRANKSHAFT/TRANSMISSION

Mark the disassembled connecting rods and bearing caps to ensure reinstallation in their original positions.

CRANKSHAFT RUNOUT INSPECTION

Support the crankshaft center as shown and set a dial indica-tor on the center main bearing journal. Rotate the crankshaft two revolutions and read the runout.

SERVICE LIMIT: 0.05 mm (0.002 in)

NOTĘ

• The crankshaft cannot be repaired. Replace it if the journals or crankpins are burnt, cracked, or if the runout is beyond the service limit.

CRANKPIN BEARING

OIL CLEARANCE INSPECTION

Inspect the crankpin bearings for unusual wear or damage. Wipe all oil off the crankpin bearings and crankpins.

Put a piece of plastigauge on each crankpin.

NOTĘ

• Do not put the plastigauge over the oil hole in the crankpin.

Install the bearing caps and connecting rods to the correct crankpins and tighten the bearing cap nuts to the specified torque.

T0RQUE: 34 N-m (3.4 kg-m, 25 ft-lb)

NOTĘ

• Do not rotate the crankshaft and connecting rods during in-stallation.

(1) CONNECTING ROD

(2) BEARING CAP

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