J Jake1 Active member Mar 1, 2009 #1 with a vertical 15hp kohler engine how fast would i be able to go without modifying the engine also would there be enough power for hills or not also how many cc's would 15 hp be
with a vertical 15hp kohler engine how fast would i be able to go without modifying the engine also would there be enough power for hills or not also how many cc's would 15 hp be