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Just had compression checked while getting some other service done. 2002 with 820 hours. One engine had numbers between 170-180 on all cylinders. Other engine had numbers between 175-185 on all cylinders. My mechanic says those numbers are okay. Anyone here beg to differ?

2nd cruise of the season. At cruise speed, about 3400 RPM, my starboard engine intermittently drops 200-300 RPM for about 10-15 seconds, then recovers. Does this very 2-3 minutes. Fuel flow and other indications stay steady, but definite noticeable power loss. Thoughts? I’m leaning towards...

I have 8.1s and suspect one or more dirty injectors. Engine runs okay, but plugs are fouling, oil analysis shows fuel in the oil, and it smells like it's running rich. I'll remove the injectors. I'm looking for a shop that can service them. Local to the Chesapeake Bay would be great, but I...

Does anyone know how the arch/spoiler is secured to hull? Mine looks like it's shifted a bit and I'd like to realign it. I'm assuming there are thru bolts from the arch to the hull? Would they be behind the vinyl pad/bumper?

My son is looking to buy a boat in RI. We live in Maryland. I've never done a long distance purchase. Can anyone provide advice on finding a surveyor? Engine mechanic? Should I find a broker to represent my son, or just work with the selling broker? TIA, Rob

Anyone what material is sandwiched in the transom of a 2002 340 DA? I just discovered a small leak around the trim tab actuator and wondering how much problem I might be dealing with. Planning to haul out on 10 June.

I'm getting hot water in both my hot and cold water lines and faucets when the heater is active. I can't find any kind of reverse flow prevention valve, but my heater IS fitted with a temperature regulator that is supposed to mix cold water with hot and then send it to the red lines. My...

When changing my filters I typically get a few ounces of fuel spillage. Enough that I can catch it with a small container and shop towels. But on my most recent change on my port motor, the fuel practically gushed continuously until I could get the new filter spun on. Engine switch was...

Decided to re-bed my trim tabs. In the process I found that my starboard trim tab will not raise once it's lowered. Since both cylinders had slight leaks, I replaced both. Unfortunately, that didn't resolve the problem with the starboard side. I can hear the hydraulic pump activate for...

I suspect I have a leak in my black water holding tank. I’d like to remove and inspect, but it looks like it may not be possible to remove the tank from the engine compartment without removal or partial disassembly of the port engine. Anyone have experience with this on a 2002 340 DA with...

Does anyone one know what size packing cord I need for the rudder glands on my 2002 340DA? I see ads with diameters from 1/8" up to 5/8" This will be one of my winter projects...

Hello all, Today I embarked on the project to replace the coolant circulating pump on my 8.1L mercruiser (port side). It's in a 2002 340 Sundancer. Of course, to remove the pump, I had to remove the coolant crossover and the heat exchanger. Now that I have easy access, I'm thinking I might...

2002 340DA Went to the boat today and turned on my freshwater breaker. Pump began running continuously and did not stop. I didn't find any leaks, and my tank level did not drop at all. I'm guessing I have a pressure switch/sensor stuck? Can it be repaired/replaced? Or am I looking at whole...

2002 340 DA At idle, and up to 1200 RPM, I hear a air hissing/suction noise at 1-3 second intervals. Loud enough to be heard with the hatch closed, very noticeable with the hatch open. The “breathing” rate increases from idle up to about 1200 RPM and then goes away. Becomes less noticeable as...

Hello all, I've looked on Flounder Pounder, phew, their website is hard to search. I've been unsuccessful in finding a couple of items. 1. On the cabin entry Hatch, there is a small catch to hold the door in the open position. Mine is missing, anyone have an idea? 2. Behind the galley sink...

Hello all, I'm new to big block inboards and learning a lot, many thanks for all of the advice and information here. While working on my sea water pump recently, I found that my "air fittings" are a separate component, while on some setups, the air fittings are an integral part of the pump...

Burned thru the exhaust hose on the starboard riser, starboard engine today. Pics below. It appears to be an actual burn through, not just age-related failure. Engine temperature was normal. Any thoughts on how/what would cause it? 2002 340 Dancer. 8.1s engines. ~ 700 hours

Burned thru the exhaust hose on the starboard riser, starboard engine today. Pics below. It appears to be an actual burn through, not just age-related failure. Engine temperature was normal. Any thoughts on how/what would cause it? 2002 340 Dancer. 8.1s engines. ~ 700 hours

Hello All ! New member and recent purchaser of “new to me” 2002 Sea Ray 340 Sundancer. My wife and I hit the water paddling hard during our first 3 days. Signed the contract Thursday, Captain’s Training all day Friday, Cleaning and minor repairs Saturday. Phew! We are slipped at Mears Point...