Pro Stock Motorcycle Pro Stock Motorcycle Pro Stock Motorcycle, formerly known as Pro Stock Bike, is a motorcycle drag racing class that is the two-wheeled equivalent of Pro Stock. It has been a feature of NHRA drag racing since the 1980s when it was added to the professional class structure and has since spread around the globe. The first points championship season was the 1987 NHRA season. The class has for years been dominated by inline-4 cylinder Suzuki based bikes but in recent years Harley-Davidson based V-twin machines have become more competitive due to favorable rule changes (160 c.i. Harleys vs. 107 c.i
Tempo (motorcycle manufacturer) version of the fan cooled 49 cc engine producing 4,3 hp. Sold as the Comet, this small motorcycle had a longer seat allowing two persons to ride. Similar versions of the Panter was sold asTrigger and Sprint, sporting a 5,2 hp full effect version of the wind cooled engine and somewhat different styling. Some other examples: 1931-1934 98cc Sachs Tank shifter and pedals. First motorcycle produced by Øglænd. 1951-59 98, 125, 150 or 175cc Sachs From 1953 with 2 seats. 1937-49 98, 125 or 150cc Villers engines. Engine models used were 9D, 9DF, 10D, 10DF, 12D, and 30C . 1959-66