does someone know how many horsepower a 420 cc engine is
P Philip Member Joined Oct 16, 2011 Threads 5 Messages 10 Jun 17, 2013 / horsepower #1 does someone know how many horsepower a 420 cc engine is
I ILENGINE Lawn Royalty Joined May 6, 2010 Threads 39 Messages 10,094 Jun 17, 2013 / horsepower #2 Roughly 16 give or take.