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What is the normal water pressure on a 8.1S Horizon? I see zero pressure at idle. 2psi at 1500RPM and 4-5 at 3300 RPM. Do I need to change the rubber impeller in the pump? The Smartcraft alarm has started ringing occasionally and puts the engine into Guardian mode. Thanks for any insight you...

I have a 340DA here in Freeport. I run back and forth to both Miami and Fort Lauderdale a few time per year. The 330 should handle about the same. I don't like to go out with anything over 20Kts or 4 foot waves. The boat can handle it but the passengers get nervous and sick. Have crossed the...

Down in the bilge between the engines, I am getting surface cracks and flaking-off of the gelcoat. This is in an area that usually has 1-2 inches of water. Do I need to get this repaired or is it regular wear and tear? Has anybody else had the same issue?

Hi, Can anyone recommend a good quality boat alarm?

On a recent trip of 86 nautical miles, on very calm water, no wind, 4 people on board, she burned 143 gallons of gas. That works out to almost 1.7 gallons per mile! We ran at 3250 RPM that gave us 19.5 Knots. 8.1S Horizons. Hull recently painted, Propspeed on the shafts and props, new spark...

Hi, I just had my port side engine taken apart due to water ingestion by corroded exhaust manifolds. My mechanic changed the manifolds, had the heads machined, replaced all the gaskets, etc, etc. She starts perfectly and sounds fine. Concern i have is that both the oil pressure and water...

Hi, How long should the ignition wires last on my 340DA. My mechanic thinks it is time to change them all. Any experience out there with this model? Thanks

Well, this is a lousy start to the season. Just had my port engine lockup due to water getting in through the aluminum exhaust manifolds. What a mess. I only have 410 hours on these 8.1S engines. When we opened the head, there was 1/2 inch of salt water sitting on top of the pistons. Holes right...

Guys, I have twin 8.1S Horizons. My starbord engine busted the starter bendix shaft. We have since replaced the starter but also did a compression test to see what caused it. We have one cylinder with 90 PSI, five at 150 PSI, one at 185 PSI and one at 125 PSI. Engine runs but runs bad. It has...

Hi, The PVC bar sink on the aft deck of my 2005 340DA has cracked. Does anybody know where to get an exact replacement? Thanks

Guys, The gear on the end of my starter busted off the shaft. Do I need to buy a new starter assembly or can the gear be purchased separetly? The shaft is perfect. The C-ring at the end of the shaft is OK too. Horizon 8.1s Thanks from the Bahamas. Happy boating to all.

Any ideas on how to get at the port engine port side spark plugs on a 340 2005 Dancer with 8.1 Horizons? I just changed the other 12 without any problems but how in the heck do you get access to the last four?

Has anybody ever tried to buy parts for a Norcold DE-0040 regrigerator? What a pain. I have called over a dozen of the service agencies listed on the Norcold website and not even one of them has parts. I need the DC power supply. Guess what? It sells for $386.00 ! The fridge new sells for...

Hey guys, I have a 2005 340 Sundancer with 8.1S Mercrusiers and V-drives. I have had the boat for a little over a year and have always been concerned with the gas mileage. We just did a run of 110 miles @ 3100 rpm on a calm day. She used 180 gallons of gas. Can anybody tell me if this is normal...