Most of the people know that they are 2 types of Outboard motor engine such as 2 stroke and 4 stroke outboard engines. Although these two posses same function to propel the boat, there are major difference between them of working mechanism and also have its own set of advantage and disadvantage of their own. But nowadays boat owners are willing to buy boat with 4 stroke outboard engine instead the 2 stroke one due to rising pollution concern. For more details, visit www.outboardclinic.com/outboard-machine-shop/