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Many of us have venerable Onan diesel gennys...big,heavy,noisey, long lived. I've noticed several factory new Cummins Onan marine diesel gennys on EBAY Motors over this past winter....a 13.5KW right now for about $9K for example. Anybody looked seriously at brand new Onans?? Who has selected...

Over the weekend I installed a rebuilt Raritan Crown XCM 12 (volt) base unit...the macerator and water pump base unit that fastens to the china bowl. My prior one, purchased NEW, lasted nine years....It got me wondering: anybody keep track of the lives of their Crowns?? On this one, the...

BOAT IS SOLD AS OF 5/25/20091972 single aft stateroom model with queen and double, rebuilt 8V71TI's and rebuilt 12KW Onan, propane cooking, heat; Webasto diesel hot water heating system, located New Rochelle, NY; extensive equipment updates since I have owned her. Excellent mechanically as I...

Last year I bought a Reliabilt N90 injector on EBAY..paid about $30 I think...Figured at that price having a spare on board would be a good idea. I mentioned this to my marina mechanic boss and he told me (a) rebuilt injectors have a shelf life, (b) not all N90 injectors are necessarily set up...

Over the past few weeks I've noticed several Snap on tools/Kent Moore DD tune up kits on EBAY motors...include a variety of timing pins and throttle delay gauges... I have no idea what a complete kit should contain nor what a good retail price might be, nor if one brand is preferable over...

After seeing a "water resistant" 660 HP Caterpillar ECU loaded with salt water from a raw water hose leak in the twin engine partner, I've often wondered what knowledgeable owners have done to protect them. Of course the engine was inoperable at the time. Seems like ECU's ( and electronic...

I "discovered" another good use for infrared thermometers (which I may have posted previously) but it's worth a repeat:They measure liquid water temps just great...not just solid materials. Thermostats are one of those mechanically operating parts which may be difficult to determine proper...

S&P predicts the price of oil will dip to $73.50 in 2008 as supplies increase.

Just had a discussion with a friend who is interested in buying a new outboard in the 15 to 25 HP range and wanted to know how much more efficient four cycles are. What's the MPG improvement? So if you know, I could pass along that advice. And while we are at it, what are the other pros and...

I had anxiety when I could not read/post/talk boats...doesn't the administrator know this is more important than life and death??? Had to talk to the wife.....it was horrible....

I'd appreciate some insights into differences between the 50 ft Hatteras motoryacht and the newer 53 ft design and how the 53 developed/changed through the production years. Were there different models in the 1970's? When did the 53 series start...about 1968 or 1969? Is there a summary...

(1) In freezing weather, bring your compasses inside to avoid stressing the bellows. Most compasses fail in the spring after freezing weather stresses the flexible bellows and oil begins to leak. (2) To spruce up that old traditional black compass, polish the black surface with black PASTE...

Two general questions: (1) Does anyone use or have experience with bypass lube oil filters? And what's your experience? These are about 1 micron (very small) filters which take a small amount of lube oil around the full flow filters and really keep the oil clean. Instead of changing oil, most...

If I counted correctly, this is my 1,000th post! While I have been boating all my life and even grew up on the water in a houseboat, I have learned more from this technical forum than any other source. Many thanks to all of you for sharing your knowledge and enthusiasm for Hatteras. Sunday...

During the work I described (on a post a few days ago) on my Onan, I noticed a shutdown wire I had knocked off the overheat detector on the exhaust elbow. I was unable to trace the wire as it disappears under the genny and the wire showed OPEN via an ohmeter....The genny ran no matter what I...

I've made in a primary goal to keep my 1972 12KW Onan running perfectly and have posted several times in the past about different efforts. I'm going to prove my mechanic wrong that "they always smoke at start". Here's another bit of detail for Onan kooks like myself. Last fall and then again...

So after a childhood friend of the "admiral" and her husband bought a waterfront home in Fairfield Harbor (on the Neuse River) we are getting ready to move, likely to the New Bern/Neuse river area. My 48 YF is for sale but in the current market I'll likely end up bringing it down to the Neuse...

In reading and thinking about the adjacent thread of Brian's on engine efficiency: Has anybody correlated internal turbo exhaust temps (via pyrometer) with an infrared gun reading of the exhaust risers (with turbo blankets removed)? (For example, does a 550 degree pyro reading of actual exhaust...

I've noticed mussels growing in the lower half of my exhausts. Scraping off the fiberglass tubes through the stern about 30" or so in is not that bad, and painting them is feasible, but reaching further to the hoses is pretty awkward. Anybody have ideas about removing these mussels growing...

I posted last winter about my starboard 8V71TI running 8 to 10 ten degrees warmer than my port engine...it was hardly noticeable when cruising cold Maine waters, but more so in warmer Nantucket and RI sounds in summer. Thanks to all who listed possible culprits in past posts: Engine...