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If you have 12v at the big red wire terminal on the solenoid and 12V at the yellow red wire terminal when someone turns the key, then its the solenoid or the starter. just to be thorough, make sure you have a good ground (return path) on your negative cable from the battery to the bell housing...

Yep the idle system is clogged if it only runs when the choke is closed because that enriches the mixture. You need to soak the carb in cleaner and blast out all the passages with compressed air, from a compressor, a can of comp air is not powerful enough. And if you attempt this yourself, wear...

OK here is a schematic of the OMC/Volvo thermostat housing for the V6/V8 engines you can see the small bypass housing, that allows water to pass to the exhaust system from the impeller, this functions as kind of a pressure relief when the stat is not open (cold engine) and if it clogs you can...

I would deal with a local machine shop who will be there to provide some warrantee service before I bought a set of unknown quality heads off of ebay. In fact that's what I did when I did my top end overhaul, yes they cost more than what you quoted there ($550) but the important thing is that...

reading this with great interest...it sounds like the pumps get 12V but then go to zero, what would be causing them to lose current? oh for the days when our fuel delivery problems could be solved with this:

You certainly can use Barr Marine for manifolds & elbows but the exhaust pipes that mate the 4" elbow exits with the 3.5" OMC/Volvo Y pipe have to be factory parts. Some aftermarket companies like GLM may have made their own version of this part. Mixing and matching can lead to leaks. If you...

hope you can see what I did in this pic...I put the 2 1/2" bolts in the lower drive mount holes, used the 2 nuts to hold them tight and put the all thread in the hole for the trim rams. Then put a scissor jack on each side under the all thread and one under the 2 1/2" bolts. Just jack slowly and...

If stalls or loses power when you hit the trim button then that's a voltage issue, the trim pump is pulling enough amps to draw down the system voltage. I had a similar problem with my boat years ago with the standard junk battery cables that some boat makers install. You should go through all...

the marine Q jets do not have a j tube like a holley, but have what you have on yours, there is definitely an overflow tube port for mechanical fuel pump applications.

If you can, get a tach dwell meter and check it. Its a simple system. Points, condenser and mechanical spark advance. You should also get an advance timing light and check the total timing advance at the specified RPM.... 1st you rule out any ignition system issues, the move on to the carb. Is...

the problem with rot repair is that the more you look the more you find...I fixed a LOT of rot on my also 1988 boat, did the most of the deck and stringer repair back in 2005, then fixed a spot in front of the gas tank in 2010, now am fixing one vertical piece, under the deck on top of the...

reman cyl heads....

here's some pix....

Here's a new VP style V6 manifold, and what the sealing surface and cooling passages look like...when you take the elbow off you can see how much rust is in both...but do the exhaust flow test first....you may have fixed it just by cleaning out the stat housing and installing a new 160* stat.

This is what came in my Barr kit and what I used, coated with Permatex Aviation on both sides, installed 3 years ago and no leaks.

best advice I can give is to get a factory shop manual it will answer all your questions. Yes remove the small plastic housing, (3 bolts) behind that you will see 2 water ports, and a shaft that drives the impeller, water should come out of one of them when you hook up the muffs.

Here are some pix, you can see the later style comes a bit closer to the 'glass in the rear of the engine compartment, but not a huge difference. http://www.volvopentastore.com/Exhau...view_id.791178 Here's what I used...expensive but fits perfect and no leaks...and you can use easily available...

One of OMC's better ideas, too bad no one copied it! 20 min job, very easy!

Most older F/W boats of that era came with OMC Cobra drives vs the Merc Alpha drives so double check that, they are similar in the fact that they use dog clutch shifting but everything else is different. The engines are basically the same except for the add ons. I would: 1) Change the motor oil...