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Hi All, Looking for some help / opinions related to an spin on oil filter on my Capitol Gear set up. I have a couple of 8v92 735 HP with the HY-2500'S and the issue is I blew the o-ring out of the oil filter while under way and needless to say it made o bit of a mess. My first impression was I...

Hi Guys, Looking to replace the belts on my 8V92 so any tips and sources for the belts? Im in Michigan so local sources would be great. Thanks, Lenz

Heloo All, I have a couple 8v92TI's that have "AMOT" 12V Actuated shut off dampers on the air intakes and one of them isn't functioning properly, the solenoid isn't pulling the pin back that allows for the spring to close damper to close when energized. I've attached a pic and am wondering if...

Hi All, Ive got a couple of 1988 Detroit 8V92's in my 48' Viking convertible and am starting to change my own oil and do general maintenance myself to insure things are actually done...My question is draining the motors went fine, fairly siomple with the oil change pump however Im trying to...

Hi All, Im looking at a 1986 Hatteras 36 Sedan, freshwater boat with 454's, 1100 hours and has been stored indoors during winters. Boat appears to be in great shape inside, outside and underneath but my concern is it was during the AMF years so Im looking for feedback on this particular vintage...

1977 Cummins 903 and 1972 Detroit 8v53N Diesels (1500 hrs on both), Which is the better of the two? or are they about the same when it comes to quality and performance? Parts availability? Which would last longer? (weekend cruising 8-10 knots) I had a gentlemen looking at my boat the other day...

Other than what my manuals show for winterizing my 8V53N's is there any other tips, trick or secrets I should be aware of? Basically I'll be draining the heat exchangers, strainers etc. correct? First time doing it myself, usually left it in the water year round. Also, should my 1972 43DC be...

I want to remove my prop shafts on my 1972 DC so I can replace the strut brgs (cutless) and check the shafts for straightness. Do I need to drop the rudders to do this? Also, is there some type of bronze bearing in the stuffing boxes that needs to be checked for wear other than the packing...

On my 43 DC I don't really have good access to the bilge, I want to give it a good cleaning. I was thinking of putting in about 2 gallons of bleach and about 20-30 gallons of water and letting is sit for awhile then pumping it out. Will this Kill any mold/fungus that might be down there? Does...

How much fuel does a 7.5 onan Genny typically burn per hour? I'll be running the air and fridge etc. Thanks LENZ

Moving out of state for a while and don't want to sell my boat. So I was thinking of leasing it for the summer. anybody ever do this? What would be a good monthly rate on a 43 DC be? If anybody is interested please PM me. The boat is kept in a covered well on Lake St.Clair in MI. Just a...

I just got bought out of my company (good thing) I just took a job in salt lake city Utah and my question is, What is the great salt lake like? is anybody familiar with this lake? Could I put my 43 DC on it?? Would that lake destroy my Hatt?? LENZ 43 DC

Getting ready to remove my valve covers on my 8V53N's. I going to repaint covers and replace the gaskets. My question is: Is there any tips or tricks when installing them? should I use silicone on both sides of the gasket? or use a non-hardening silicone? My thoughts were to use a hardening...

Just had my Onan 7.5 kw MDJE generator rebuilt about a month or two ago, Today was the first time I took out the boat after rebuild. Generator ran fine at the dock for about 30 minutes, then I put both cruise-aire units on (heat) generator ran for about 15 minutes then stopped. I tried to start...

Here's a couple of pics of "WHY NOT" to over tighten packing. This is a pump shaft from a vertical turbine, pumps clean water, runs at 1180 RPM's. The shaft is made of 416ss 1.687 dia. it is wore down to .800. We sold the pump 3 years ago and the customer didn't want us to do the start-up (he...

I have master craft ski boat with a 351 ford motor with a 3 blade bronze prop (straight drive). I have a few friends with similar boats and they all changed over to Stainless steel props, salesmen say they have a lot less flex then the bronze prop and you'll get better performance. My question...

I have a pair of 8v-53n's and I just got done changing the oil. I was told by the last mechanic they took about 5 gallons ea. So I add 5 gallons to the starboard engine, ran it for a couple of minutes, let sit for a 1/2 hour or so, check the level and it's rite at the low level on the dipstick...

Just had a complete overhaul of my Onan 7.5 KW genny rebuilt (working great) My question is, How many hours would be consider a good break in period? Should I change the oil after the break in? I have a manual but I can't find the darn thing! Thanks in advance Lenz

I leave my Hatt in the water year round (inside storage with radiant heat) My questions is; They keep the bldg around 55 degrees, Do I need to winterize anything? I didn't last year with no problems (knock on wood) I do go out and work on the boat at least once a week and will heat the boat up...

Just had my 1972 7.5 kw Onan generator rebuilt (1972 vintage) diesel, It still smokes just like it did before the rebuild (about 5-10 seconds) during cold start-ups. Is this normal? Will it smoke less after the valves and rings seat a bit more? Also, the oil looked pretty dirty after only a few...