sentences:  In the 1970s, Stengl turned his attention to bobsleigh, winning a bronze in the four-man event at the 1975 FIBT World Championships in Cervinia, Italy.Stengl was also active in motorcycle racing, participating in many events from the late 1960s until his death.He died in a motorcycle accident during the 1992 Isle of Man TT while competing in the Senior TT category.