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Statistically I would think it would be extremely unlikely to have mechanical failures in multiple cylinders based on component wear. Something else is going on IMO. Those pistons look awfully dry for a carbed 2 stroke.

Lime, that's terrible news. Sorry to hear that. What does the damage look like? Did you get a good look at the cooling jackets around the cylinder and head after #5 went kaboom? The only thought that comes to mind is corrosion is preventing cooling on that cylinder. I would think that...

I would need to double check my service manual, but I'm reasonably sure 225 ox66 changes the number of firing cylinders twice between idle and 2200 rpm's. At 1100 not all 6 fire. Our engine consistently ran as yours did before doing all the same maintenance. The engine ran rough enough to...

I too have wondered how "normal" rough running is with the ox66 below roughly 2000 rpm's. My experience has shown this engine to be a fickle beast at idle to about 2k. Things that seem to affect it most are fuel quality and type, along with temp, humidity, and throttle position sensor...

I would be shocked if those pumps are still good. They have a diaphragm inside and the originals from 99 will often tear limiting fuel flow.

What they said and when was the last time the low pressure fuel pumps were changed?

Grady customer service told me all went to rot resistant wood in 1998. I have been on this forum since 2010 and have yet to read of a single boat made after 97 that had rot issues... and I and many hope it stays that way!

Your hull and the voyager are the same. The voyager weighs a bit more, but you are running a 250, so the burn numbers might be close. The 225 and 250 ox66 have the same displacement. Grady claims the voyager with a 225 should get 3 mpg at around 30 mph burning around 11 gph. Our actual is...

We've always had the same issue in Ohio. I think the rationale behind it is wrong, but we live in a world where laws have replaced good judgment to protect and preserve stupid. :bang

Unless something changed, Etecs are broken in on the dyno prior to delivery. No break-in required.

Startron claims that it prevents carbon build up. Is it suitable for a Techron, Seafoam, Ring free alternative?

Dennis, By chance have you ever asked the rep if Startron can replace ring free? Startron claims to prevent carbon build up too. IMO Yamaha seems to have a habit of gouging their customers for some products and using marketing scare tactics to convince customers the additional cost is necessary...

I forgot to mention that the boat prior to this one was a 20 ft. Overnighter. Rarely did we ever have an issue docking because handling was predictable. Other things that have come to mind: -if possible don't let them mount the radio antenna in the walk around. No matter how often you remind...

The 248 and 258 are very similar, so here are my $0.02 on the single ob: - the single is roughly half the maintenance and potential head-ache of twins... especially if you do your own maintenance or if you need to take your boat in for service. - I agree that a single is not a significant safety...