My personal favorite year of the Generation 2 Transformers is it's second year, 1994.  It includes some of Hasbro's first attempt at "posable" robots that transform into vehicles.  The 'laser rod' and rotor force Transformers rock!
G2 Autobot
Symbol here
The Autobots
of 1994

 

G2 Decepticon
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The Decepticons
of 1994