This upgrade kit boosts all Tiller Driven 15hp Mercury outboards (made since 2006) to 20hp. Installation is easy, you simply swap out the carburetor with our 20hp carburetor and the propeller with our higher pitched propeller that takes full advantage of the extra horsepower.
Get the most out of your 15HP Mercury!
This upgrade kit boosts all Tiller Driven 15hp Mercury outboards (made since 2006) to 20hp. Installation is easy, you simply swap out the carburetor with our 20hp carburetor and the propeller with our higher pitched propeller that takes full advantage of the extra horsepower.
Kit includes:
20HP High Performance Carburetor
10" Pitch 14-tooth Spline Propeller
These carburetors are in stock and ship out the same business day if ordered before 3PM Eastern - after 3PM they will ship out next business day. Our flat rate shipping is USPS Priority which is 2-3 business days to most of the U.S. UPS Next Day and Second Day Air is available during checkout if you need it quicker.