Original sentence: In Canada though, there are still three models that Yamaha manufactures that are still 2 stroke.Since 1962 Yamaha produced production road racing grand prix motorcycles that any licensed road racer could purchase.The yamaha RX-S 100 introduced in the RX models but with an energy induction in 1980's.Yamaha also broke a multi-year absence from sno-cross in the winter of 2006-07 with their introduction of a factory race team headed by former Arctic Cat racer Robbie Malinoski
Edited sentence: In Canada though, there are still three models that Yamaha manufactures that are still two-stroke.Since 1962, Yamaha produced production road racing grand prix motorcycles that any licensed road racer could purchase.The Yamaha RX-S 100 introduced in the RX models but with an energy induction in 1980s.Yamaha also broke a multi-year absence from sno-cross in the winter of 2006/2007 with their introduction of a factory race team headed by former Arctic Cat racer Robbie Malinoski