I just bought a 258, the 2004 Yamaha F250 runs well but needs the exhaust system upgrade. The original engine has 500 hours on it, summer time use only.
I may upgrade to either twin Suzuki 150s (5.8L total), single Suzuki 300B (4.4L, dual prop), or a single Honda BF350.
The Honda is a 5.0L...