Alpha Generation 1

The Gen 1 drive is actually the first drive in the Alpha series and was standard equipment from 1983 until the release of the Gen 2 in 1990. The Gen 1 also replaces most of the pre-alpha drives from 1977 to 1983.

There are actually 2 versions of the Gen 1 - the R and the MR. This does not matter when purchasing a complete drive or lower unit. All the GEN 1 drives available today are the latest MR version.

In 1996 there was a small change in the available ratios due to new gear designs. So the current available gear ratios are:

• 1.32
• 1.47
• 1.62
• 1.81
• 1.98