Service Manual

8-20
Table of Contents
Twin Cylinder Engine Service Manual
February 2017 - Digital Edition
ENGINE INSPECTION AND RECONDITIONING
Lower End Inspection and Reconditioning (Cont.)
Connecting Rods
1. Inspect the connecting rods for damage:
-Bent: the rods are identical, compare side-by-side
-Overheated: a good rod should be bright aluminum in color
-Scored: inspect both rod ends for scuffs, pitting or scoring. Light faint scratches at crank journal is normal.
2. Wrist pin end inside diameter, measure and compare specifications (Figure 20).
Connecting Rod Small End ID
Standard 0.6695-0.6699 in.
Service Limit 0.6712 in.
Figure 20