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    How to install rotary steering system

    I am working on a center console conversion and am having difficulty figuring out how to mount the outboard end of the steering cable in two places. One, how do I secure the cable to the stern of the boat so it pivots the outboard when the wheel is turned? Two, how is the cable attached to...
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    Carb Rebuild Kits

    Just hoping someone can tell me where to find carb rebuild kits for the Tillitson WB carbs on my Chrysler 1972 Chrysler 120
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    Ignition Switch Issues

    Hello all, its been a while since I have posted. I have a 1972 Chrysler 120 and am having difficulty getting my new ignition switch to work. I don't have the old one so I am not sure to hook it up. The replacement part i have is a 6 terminal Sierra ignition switch heres a link to it...
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    Racetrac Gas and Problems With It

    Ok I am hoping to take a survey here for anyone who has used Racetrac gas. Two months ago I filled up my tank, (12 gallons) with 93 octane Racetrac gasoline. Immediately I began having issues related to a fuel issue, but since I had used it without issue for an entire year before I didnt...
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    Low RPM's

    Hmm, well after alot of work my 4.1 165hp L6 is running great, no misses, makes a nice holeshot and idles beautifully. However, I can't seem to figure out why it won't reach WOT rpm. At full throttle she is only turning about 3800 rpms and no higher. I've checked the fuel system and everything...
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    Ignition Timing Question

    My question is regarding my 165 hp Mercruiser L6. My ignition system and fuel system are in a good state of tune. However, I was curious to know if given today's fuel being 10 % ethanol if I should make an adjustment to my 8 degrees btdc. I am not seeing quite the top end power I used to get...
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    I can't believe it

    Ok everyone well after a month-long period of downtime with my boat she is back to running like a bat outa hell. I just wanted to post this thread to let everyone know that once I finally got her started, which was a problem due to some awful fuel, the culprit that was causing my engine not to...
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    Leaking riser Gasket

    Well I found something that I think could be the source of some of my problems. It appears my riser gaskets has failed, is there any way water could be making it back to the cylinders causing my engine to run awful?
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    Rochester 2bbl bogging under load

    I have a 250 c.i.d. L6 mercruiser with a rochester 2bbl carb. My question is why does the boat bog down when I lean on the throttle from a stop? The timing is set at 8 degrees btdc and the dwell is set to .018. The advance mechanism in the distributor is functioning normally as well. I also...
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    165 L6 Electrical problems

    I was hoping someone would have a wiring diagram for a 1972 mercruiser 4.1 L6 250 cid motor with a pre-alpha stern drive. I just spent weeks fixing a fuel system issue and now my engine wont run at all. Fuel is not the problem. However, I think I may be getting some off information from my...
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    Stuck Check Ball, help

    Well I finally discovered my problem, the check ball under the accelerator pump in my two barrel rochester is totally stuck down in its cavity, any advice on how to remove it and clean down in there?
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    No Gas

    Hello everyone, I got my boat put back together and took it out yesterday however, I have a problem. When I started the engine everything ran great but when I went to full throttle it bogged down, after looking at the carb I found out im not getting fuel at full throttle. After about 1/2 way on...
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    165 merc performance modifications

    As brought up in one of my few earlier posts I have a 1972 sea ray with a 250 cid inline 6 cylinder. My cylinder head is off at the machine shop for some hardened exhaust valve seats and a general cleanup with a valve job. I've been looking into the possibility of installing a new cam since I...
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    Engine making "ticking" sound. . .

    I am new to the site and am hoping I can get some good advice for a problem I am having. My boat is a 1972 Sea Ray 18' bowrider with a 165 hp inline mercruiser 6 cylinder and a mercruiser stern drive. I took my boat out for the first time yesterday and after a good run across the lake the engine...
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