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Yes. Both forward and reverse. And as it heats up it gets worse.

I have a 2003 410 sd with ZF trans mated to 4126 cats. When the starboard trans is put into gear it takes 5 seconds to finally engage in gear. I have checked trans level, ok, and voltage, also ok. 12 volts to solenoid when put into gear. Sometimes it won't engage at all. Any ideas?

Congrats on the boat! I would also like to know the Cruise Speed and Top speed.

Update: Went to Bahammas for two weeks. Boat ran great, had to change the racors once I was there.

Sorry 3126 motors. Hit the wrong key.

Does anyone with 4126 motors run an additive. My CAT guy says not to unless the boat sits alot, which mine does not. I remember seeing a thread at one time about some sold at Wal-mart that was good.

I am thinking some of the things that were done probably didn't make much of a difference but they are scheduled service items at the 1000 hour service. I have only 585hrs but it won't hurt. My main problem here is I didn't have the boat surveyed before I boughtt it and went off what my diver...

Thanks Dominic. This site you lead me to has been alot of help as have you. I am going to get the laser tach just to ease my mind and I think I seen a picture of your digital tachs you put in on another thread :thumbsup:. Very nice. Since I have another set of props I will try and work them...

No not all the time but I would like to be able to reach it. It may never happen and I most likely won't go crazy trying to reach it but, since I have a spare set of props, I will try and perfect them if I can.

Update: I took the boat out this afternoon and here are the results. 2800 RPM on analog starboard gauge. 2725 RPM on analog port gauge.- Not sure about this but the sync needle is dead center, Top speed 30 MPH Cruise speed at 2375 RPM 22.8 Knots or 26.5 MPH Remove, repitch, prop scan and replace...

Dominic, What are the HP on your motors. Don't you also have a 2003 410?

Couch, Does it run on beer? I haven't tried that yey!

Frank is that per motor, 22GPH?

I had the aftercoolers put back on 6-6. I sea trialed the boat and there was still no difference. Speed was still 26.5 MPH and RPM 2600. Frustrated, I had the boat pulled out of the water yesterday and the tech says my bottom is the cause of the problem. I am having the bottom redone as we...

Yes. The CAT mechanic is thinking the previous owners may have used the wrong type of oil and brought that to my attention about using the CAT oil. Thanks

I have had a couple of leaks when I had my 320 Sundancer. It was the fresh water wash down at the swim platform and another one on the valve behind it that the dock water hooks up to.

I have the bottom cleaned every three weeks but no I have not had it hauled out and inspected. My diver says it is in good shape. The previous owner had the bottom redone in May of 07'. I have checked the trim tabs and they are good. Aftercoolers are coming off tomorrow to be cleaned. We'll...

Yes and again yesterday. I had the fuel polished and the tanks cleaned because I was getting low fuel pressure on the starboard motor. We replaced the racors and fuel filters and now my fuel pressure is above 65 on both motors. I still have the same issue I started with though, only 2650 RPM...

On another note I had a water leak in the weld of my water heater. My wife was at the boat for a week and didn't know that anything was leaking. When I got to the boat there was a short alarm on the Sea Ray Monitor system but I didn't get to it in time to see what it was. I started looking in...

The props that were on it were 22X23 and I was having this problem not only with the RPM but the speed also. Everyone that I have spoke with or read on this site that have the same boat are topping out at 25-26 knots where all I was able to get was 21 knots. I had the props removed and tuned...