6-8 CYLINDER, PISTON AND EXHAU$T VALVE
6-8 CYLINDER, PISTON AND EXHAU$T VALVE
PISTON-TO-CYLINDER CLEARANCE
As a result of the previous measurement. if the piston to cylinder clearance exceeds the following limit, replace both cylinder and piston.
EM Piston to cylinder clearance
Service Limit: 0.12 mm (0.0047 in)
• Remove carbon deposits from the exhaust main valve CD, side valves © and spacers
• Inspect the exhaust main valve, side valve and spacer for wear and scratches.
• Inspect the cam groove of the side valve for wear.
Inspect the return spring @ tor spring tension.
Conrod smali end borÄ™ Service Limit: 19.040 mm (0.750 in)
09900-20605: Dial gauge
• Fit the piston pin and bearing into the conrod smali end and inspect the play.
• Inspect the bearing for smooth movement.