Seen an upward trend for 80's open class motocross dirt bikes as well. Clean examples are hitting $5k and higher. The Suzuki RM465 & 500's seem to be at the top of the list due to low production numbers. Not the fastest 500cc bike, but possibly the best engineered rear suspension of all time, even by todays standard. Lot of die hard, big bore two stroke fans out there, including myself.
... View more