I ride an '85 K100. The seat height is on the high side, but it's roughly 1000 cc.
The extra power is greatly appreciated to get me away from people in big Buicks who don't see me. I ride very conservatively as we have two kids and I'm the bread and butter aside from my life insurance policy

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85' 300D No inspection, No registration fees, Cheap insurance
"If my calculations are correct, when this baby hits 88 miles per hour, you're going to see some serious %$&^."