Astron II Differences

From Mitsipedia

A pictorial of the differences between the original and revised Astron II.

Combustion Chambers
Original Astron II combustion chamber
Second Generation Astron II combustion chambers
Original Astron II pistons
Second Generation Astron II pistons
Rocker Assemblies
Second Generation Astron II rocker assembly
Balance-Shaft Adjustment
Lower counter-balance shaft chain guide on early Astron II engines
Counter-balance shaft chain tensioner fitted to late Astron II engines (from late 1990)