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If Mercury says it's alright, it's alright. I don't think you'll find a higher authority than the manufacturer of the engine on an internet forum.
As far as separators go, it adds another failure...

Is it just oil, or oil AND fuel?
Big difference.
If it's blue, and just oil, then it's probably your oil filler cap. Common problem with these engines.
If it smells like gas, then your floats...

May want to grab your motor by the lower unit and try flexing the transom...
Last year, when I discovered the same issue with mine, I discovered the entire transom was rotted out from water due to...

I saw that one, and like the JBL brand. A buddy of mine ran several of their Crown amplifiers in a bronco once upon a time. Haven't looked them up lately, but I believe they used to belong to the...

I got the hang of the 12 volt wiring there, Chief. As stated in my original post, looking for suggestions for which ones people have experience with.
Brand quality in one market segment sometimes...

Wanting to add something for sound into my Nitro. Don't need high-power amplification, but would like to add two 6.5 coaxes along with a 3" gauge receiver.
Coming from the competition stereo world...

So I went and looked at my current setup. See pic. Do they make a NFB setup for this type system and cables?362263

Thanks for all the replies so far. I haven't got under the dash and looked, yet, so I'm not sure. But I do know it's a teleflex dual cable system.
Really would like to go hydraulic, but don't want...

I have existing teleflex dual cables on my Sprint 286 Pro.
Been considering a NFB helm. Can I use my existing steering cables, or do I have to buy and install new cables?
There's nothing wrong...

Nevermind, figured it all out. The cable was adjusted WAY too far out on the engine side.
Problem solved.

Something wrong here...
Is there not supposed to be a positive idle return stop?
I have searched this thing and there are no threaded holes for an idle return stop.
It won't return to idle, it is...

Just went out and checked that trigger. It moves, but it feels very gritty in there.
I lubed the swivel and connecting rod and worked it back and forth a few times, but still pretty gritty, to the...

Serial# OB291793.
While performing the link and sync procedure per factory service manual, when I sync the carbs, I needed to turn the idle stop screw out to make sure the cam roller and mark on...

Got it figured out guys. Went with a 90-degree pump.
The tsunamis just wouldn't fit.

Good morning everyone.
I've got a Sprint 276 Pro bass boat, and so far, no aerator pumps I've tried fit without breaking.
They're too long (yes, I trimmed the inlet side).
The problem is the...

This may be a long shot.
This 1993 276 pro of mine had the original pump/ aerator and it was shot.
I installed a new tsunami and ensured the two wires ( brown and black) were connected correctly. ...

One more quick question- the only manuals I can find are 1992-newer.
In those, it says to set the TDC on #1 piston, then back off .462" to calibrate the timing mark on the flywheel cover.
Is it...

Thanks Joe!

Trying to locate an FSM for an older 1988 175 Mariner, but no luck. #OB291793
I need to know where to set initial timing and WOT timing.

If anyone could point me in the right direction, I would...

Answering my own question here, but the water pump base wasn't broken. It was actually two pieces, I don't know if it came that way, or the adhesive holding them together from the factory delaminated.

While replacing the water pump, i noticed the lower base flange has broken off, and is stuck in the lower unit.
I have a new base ready to go in, and was curious if anyone has any suggestions for...