February motorhome retail registrations rose 7.3% compared to the same period a year ago while sales for the first two months were up 6.7%. According to the latest report by Statistical Surveys Inc. , Thor Industries Inc. was the motorized sales leader through February with a 27.3% market share, ahead of Forest River Inc. with a 23.2% share and Winnebago Industries Inc. owning a 19.4% share.