It would be great on a vintage minibike or scooter as a 4-cycle version is far heavier and frankly-not as fun. I ran some starting fluid into it and it ran briefly-so I assume this engine is ready to go, short of it being mounted to something.
Heres the engine specs below. 4 HP TECUMSEH TWO CYCLE ENGINE 4 HP 2 Cycle TECUMSEH AH600 horizontal mount engine. Includes air cleaner and muffler. 5/8" dia x 0.9".4 bolt mount on 2-19/32" x 1-1/2". Centers with 1.25 dia. Bolt holes tapped to 5/16-18.
9-1/2" x 11" x 11. The item "TECUMSEH TWO STROKE ENGINE AH600-1678p 4hp IN USED AS-IS CONDITION" is in sale since Saturday, September 11, 2021. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers, Parts & Accessories\Lawn Mower Parts". The seller is "hemifalcon" and is located in Union Grove, Wisconsin. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay, Russian federation.