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Hi guys.....I have to winterize my “new to us” 2003 Marlin 30 with a Kohler gen-set. I’m not sure how to go about doing it. I was told most gen-sets are winterized by taking the intake hose off the sea cock, putting it in a jug of antifreeze and let the generator suck it out until the exhaust...

My wife wants to replace the standard Jabsco raw water toilet in our Marlin 30 with a freshwater toilet. I was looking at the Raritan Fresh Head because it says it’s a direct replacement for the Jabsco. I’m not sure I can do the install and hose replacement myself because of mobility issues. So...

Hi guys I need to replace all my sanitary hoses because they really smell. I’m guessing the access for the holding tank is under the aft birth. But I don’t know, can anyone fill me in? Thanks

My fellow GW owners In December we bought a 2003 Marlin 30 so we had a boat big enough to spend nights at the marina and go on overnight cruises. We had no prior experience with a marine head, holding tank or pressurized water system. My wife gets really upset with the odor from the marine head...

Hi guys Bought a 2003 Marlin 30 this winter and it’s been great. But the next to last time out my starboard engine wouldn’t trim all the way down or start. I switched the battery selector to both and I was off and running. But the last time out with the AC battery charger on for 3 days the...

Hi guys We added a 2003 Marlin 30 to our GW fleet. The generator starts and runs, but it’s not flowing any cooling water. I was told to check the strainer and replace the impeller. I found the strainer but I can’t reach it very well. I can’t find the water pump so it must be under the electric...

Our new to us 2003 Marlin 30 has a clog in the fresh water system. It happened at a Chesapeake Bay Grady White Club Weekend Cruise. All the members I asked said it’s a clogged strainer, which makes sense because it happened all of a sudden when all this black crud cane out of the sink faucet...

We just bought a 2003 Marlin 30 and it’s my first big boat with twin engines. Backing in and getting out of the slip for our Freedom 225 has always been a chore......especially getting out in the narrow channel between docks. Of course my wife ramps up the stress level making it more difficult...

The 2003 Marlin 30 we just bought has 2 cabin lights out. They are little tiny DC light bulbs and I don’t know if I should just pull them out, twist them or here is some secret I don’t know. The manual says G4 bulbs, but I can’t really find any information on them. Anybody out there know what...

We have a Freedom 225 in the driveway, but in December Glam-Ma (wife) told our grand daughter we would have a boat big enough to sleep on by summer. That’s so they can spend the weekends at the marina to use the pool. She wanted an Express 33 because of the big cabin, but we couldn’t find a good...

I was searching for a used Express 330 or Marlin 30. In my search I learned about industry known moisture and hull delamination problems with wide beam Grady’s. I learned about it from a local boat builder, repair shop owner and my surveyor. They all said it had to do with inadequate...

Hi guys I have a Freedom 225 in the driveway but my wife made me buy a 2003 Marlin 30 so we can weekend at the marina. I need to get a new GPS/sonar unit, but I have no idea where to mount a transom transducer. With twin engines and trim tab planes the only place looks like between the garboard...

All the bumpers for my Freedon 225 are 6” but I just added a 2003 Marlin 30 to my fleet. Something tells me I need some bigger bumpers for a bigger boat. What size bumpers do I need for the Marlin? Thanks

Hi guys I’m buying a 2003 Marlin 30 so we can spend weekends at the marina and have the grandkids overnight. It doesn’t have a TV, but I’ll need to add one. Not sure where or how the factory mounts them. I was thinking about the kind of HD wall mount used in RV applications because they an lock...

The survey turned out well this time and soon I’ll be the owner of a pre owned Marlin 30. I never had a boat this big before with Air conditioner, shore power, fridge, stove, generator......etc. Does all this stuff run on DC power? If you are plugged into Shore power is there an inverter or...

So far I’m 0-2 trying to buy a late model Marlin 30. Each time delamination of the balsa hull core was detected. The surveyor and repair shop I was referred to on my last attempt both said it’s a common problem with Grady White wide beam boats. The repair shop owner told me to buy a moisture...

We’ve been in the market for a 2003-2005 Marlin 30, but I can’t seem to find one that doesn’t have wet hull core issues. A survey showed what I thought was the perfect boat at the right price had a severely delamined hull core that killed the deal. So I was advised to get a moisture meter and...

Hi guys I’m close to another Marlin 30 and hope the survey goes well. One of the reasons we’re going for a 30 is to spend the weekends at the marina and have the grandkids over so they can use the pool. The wife feels a 30 is too small for that and it would take an Express 33. But I think it’s...

I’ll admit to some extra pounds on me, but the helm seats in the 2003 Marlin 30 I’m looking at are very tight and uncomfortable. The seating position seems high as well. I had the same issue with the 2003 Express 33 we took a shot at. Anyone else experience the same?

Looking at used GW Marlin 300’s and Express 330’s. I just paid $1k for a marine survey on a nice looking Marlin 30 nay to learn the balsa hull cores were badly delaminated and what wasn’t already delaminated pegged the moisture meter. The surveyor and the repair shop I went to for a repair...