Connecting Rod Big End Axial Clearance; Connecting Rod Big End Oil Clearance; Crankpin Od - Honda HRX217K6HYA Manual

HRX217HYA • HRX217HZA CAM PULLEY/CRANKSHAFT/ PISTON/CYLINDER
CRANKPIN O.D.
Measure the crankpin O.D. of the crankshaft.
STANDARD: 27.970 – 27.980 mm (1.1012 – 1.1016 in)
SERVICE LIMIT: 27.920 mm (1.0992 in)
If the measurement is less than the service limit, replace the
crankshaft.

CONNECTING ROD BIG END AXIAL CLEARANCE

Measure the clearance between the connecting rod big end and
crankshaft using a feeler gauge.
STANDARD: 0.10 – 0.50 mm (0.004 – 0.020 in)
SERVICE LIMIT: 0.80 mm (0.031 in)
If the measurement is more than the service limit, replace the
connecting rod and recheck the clearance.
If the clearance is still more than the service limit with the new
connecting rod, replace the crankshaft.

CONNECTING ROD BIG END OIL CLEARANCE

[1]
Clean all oil from the crank pin and connecting rod big end surface.
®
Place a piece of Plastigauge on the crank pin axially, install the
connecting rod and the connecting rod cap.
Apply engine oil to the connecting rod bolt [1] threads and seating
surface.
Tighten the connecting rod bolts to the specified torque.
TORQUE: 12 N•m (9 ft-lb)
• Do not rotate the crankshaft while the Plastigauge is in place.
Remove the connecting rod cap and measure the Plastigauge [1]
using a Plastigauge scale [2].
[2]
STANDARD: 0.040 – 0.063 mm (0.0016 – 0.0025 in)
SERVICE LIMIT: 0.120 mm (0.0047 in)
If the clearance is more than the service limit, inspect the following:
– Connecting rod big end I.D. (page 10-18)
[1]
– Crank pin O.D. (page 10-19)
Replace any part that measures beyond the service limit.
10-19