bike motors?

Aaron, syrup is used on smooth concrete surfaces. I don't think it would accomplish much on dirt or asphalt. It certainly wouldn't be as effective on those surfaces.
 
Heck, back in the '70's a guy could run a stock RD400 or open 250 in WKA's enduro Unlimited class. Nothing new.
Before there was a open class. Just a bunch of guys wanted to have some fun. Mine was home made frame with a RD350 with Tom Turner pipes TZ ignition. Are Fav track was Elsinore RaceWay. Track went up hill down hill very smooth place. Guy on grader was artist with dirt.
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The UAS Grand Nationals are Friday and Saturday at Dumplin Valley in Tennessee
You will see all kind of different engine packages
 
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