Hi Guys!
Need a little help, I recently brought a small 18ft/5.5m speedboat with a Honda 2 Stroke 150hp Auto Lube Outboard, I use this mostly in England UK, it has a 40L/8.8Gallon petrol tank, and I get about 15-18 miles out of it on water. Petrol prices are not cheep over here, so I was...