motor

So I have a 2075GL with a Yamaha F75 4 stroke.   I have the opertunity to purchase a Yamaha 115 Hp 4 stroke of the same year.   I would go larger but the boat nameplate states max. motor of 115 hp.  Will the extra 40 hp make a significant difference in speed and turning power?  My boys have been...

I just bought a new 22sslx in April with a Mercury 4 stroke 115 hp engine. We love our boat and for the first 20 hours no problem. on the advise of our local mechanic we changed the oil at 20 hours and am glad we did. when we pulled the drain plug for the engine oil about 2 cups of water gushed...