2-9
Racing Kit
Connecting Rod Bolt Tightening
• Replace the crankpin bolts with new ones when tightening.
• Tighten the connecting rod bolts using the Plastic Region Tightening Method.
1. Apply oil to the connecting rod bolt threads and seating surfaces.
2. Install and tighten the connecting rod bolts alternately, then tighten them to
the specified torque.
Torque: 20 N•m (2.0 kgf•m, 14 lbf•ft)
3. Further tighten the main journal bolts 45 degrees in numerical order.
4. Further tighten the main journal bolts 45 degrees in numerical order again
(total 90 degrees).
Main Journal Bolt Tightening
• Replace the main journal bolts with new ones after every fourth tightening.
• Tighten the main journal bolts using the Plastic Region Tightening Method.
1. Apply oil to the main journal bolt threads and seating surfaces. It is not nec-
essary to apply oil to new bolts.
2. Install and tighten the main journal bolts to the specified torque in the order
in the illustration below.
Torque: 15 N•m (1.5 kgf•m, 11 lbf•ft)
3. Further tighten the main journal bolts 60 degrees in numerical order.
4. Further tighten the main journal bolts 60 degrees in numerical order again
(total 120 degrees).
