Editing V4 engine (section)

==Boat use==
Another use of the V4 engine is in [[outboard motors]] for boats. The V4 configuration is popular for outboard marine applications due to its short engine length.

In 1958, both Johnson and Evinrude introduced {{convert|70.7|CID|cc|0|abbr=on}} V4 outboards rated at {{convert|50|hp|kW|0|abbr=on}} and weighing {{convert|200|lb|kg|0|abbr=on}}.<ref>{{cite journal |last1=Hicks |first1=Clifford B. |title=Big News for Boaters: the V4 outboard engine |journal=Popular Mechanics |date=October 1957 |volume=108 |issue=4 |pages=140–142 |url= https://books.google.com/books?id=x-EDAAAAMBAJ&dq=Big+News+for+Boaters+The+V4+outboard+engine&pg=PA140 |access-date=26 February 2021}}</ref> By 1972, the same basic V4 block was producing more than double the horsepower in stock form because of the experience manufacturers gained from racing.<ref>{{cite journal |last1=Roe |first1=Jim |title=New Outboards |journal=Popular Science |date=February 1972 |volume=200 |issue=2 |page=146 |url= https://books.google.com/books?id=IxqcYRVu67sC&dq=V4+outboard+motor&pg=PA146 |access-date=26 February 2021}}</ref> In 1988, Yamaha introduced a {{convert|130|hp|kW|0|abbr=on}} two-stroke V4 to the US market with what was called "precision blend" oil injection.<ref>{{cite journal |last1=Skorupa |first1=Joe |title=Outdoors: Yamaka stirs up the waterways |journal=Popular Mechanics |date=April 1988 |volume=165 |issue=4 |pages=38, 40 |url= https://books.google.com/books?id=ZuQDAAAAMBAJ&dq=V4+outboard+motor&pg=PA38 |access-date=26 February 2021}}</ref> Most of the outboard motors are usually two-stroke engines with a carburetor.