Service Manual

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Table of Contents
Twin Cylinder Engine Service Manual
February 2017 - Digital Edition
ENGINE INSPECTION AND RECONDITIONING
Lower End Inspection and Reconditioning (Cont.)
Pistons
1. Clean the pistons; remove carbon, debris from the piston dome and ring lands.
2. Inspect pistons for damage (scuffs, scoring or overheating).
3. Skirt outside diameter measurement:
Measure and compare to specifications (Figure 15).
Skirt Outside Diameter
Standard (Height) 3.620-3.621 in. (76.965-76.975 mm)
Service Limit 3.0219 in. (76.755 mm)
Figure 15