GLENDORA, Calif. — After a dominant start to the NHRA Pro Stock Motorcycle season at the Gatornationals, the Harley Davidson motorcycles have been saddled with a weight penalty.
The Harley Davidson 160-cid, 4-valve combination in the Pro Stock Motorcycle category: Pro Stock Motorcycle Minimum Weight Adjustment
Following a review of recent performances in the Pro Stock Motorcycle category, NHRA announced that the minimum weight for the Harley Davidson 160-cid, 4-valve combination will increase 20 pounds, from 640 pounds to 660 pounds.
The adjustment is part of NHRA’s ongoing efforts at maintaining competition and parity within the category. The change becomes effective April 27, 2012, at the O’Reilly Auto Parts NHRA Spring Nationals presented by Super Start Batteries in Houston, which is the next stop on the NHRA Full Throttle Drag Racing Series for Pro Stock Motorcycles.
The minimum weight for NHRA-accepted American pushrod V-Twin 160-cid will remain at 615 pounds, and the Suzuki 107-cid 2-valve will remain at 595 pounds. NHRA will continue to monitor performance and will make adjustments as necessary.