top speed

I have just recently purchased a 2006 Bennington 2875 5.7 Volvo Penta. Love the boat but have a few questions. My gauges are not ready correctly is this something that can be fixed with computer re-flash or are these not computer operated? Second question what kind of top end are you guys...

I purchased a new 20 ft' Bennington a month ago and am new to boating. It is a 20 foot model with a 70HP Yamaha. My question relates to top speed. I expected that it wouldn't be very quick, but mine really seems slower than others. At 5800 to 5900 rpm it is only going 17 mph. That is just about...

Thank you in advance for your recommendations I'm new to Bennington and boat owning in general for that matter.  I have a 2275GFS with a 115 Yamaha and express tube with strakes.  I also have the added weight of Sea Legs.    I love the boat, but the top speed is really getting me down.  I went...