I was reading an old ATV Sport magazine from June 2001, where a statement was quoted from the Cannondale factory in reference to the horsepower at the rear wheels. Now mind you this was an early model FX400 (one of the first) using the S500 computer. It was quoted "Cannondale claims the 432cc thumper builds 33 horsepower at the rear wheels of the 360 pound FX400". Wow! My last stock build made 44HP and change on Timbo's Dyno-Jet dyno at the Group Ride. He claims it was the fastest stock Cannondale quad he had seen. TJ's was close (but he had a pipe on it). I routinely see in the 43HP range when I build them. Curious what others are seeing.
They Are Only Getting Faster With Age!
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