you've got a thru-hub exhaust if you can find exhaust holes within the engine gearcase around the prop shaft. Non thru-hub is strong around the prop hub. Non Thru-hub Exhaust Reattach the fuel hose and gasoline bowl. https://katrinapdug573028.webdesign96.com/30287083/the-2-minute-rule-for-yamaha-4-stroke-outboard-motors-for-sale