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Honda 90HP
s/N bbcj-1105359

Anyone here a Honda Tech?

My tilt trim randomly acts like I have a dead battery. It moves very slow and trim motor sounds very slow. It seams like the first...

My whaler is old, just the motor is new. The Mirage was on the original optimax 200.

I removed my new 250's cowl about 20 times and said "how do I get this cowl off WHEN the trap door or latch mechanism fails" about 40 times.

I've been waiting for Don's reply to this post like a...

This is nuts....lol

Where were you 3 weeks ago when I spent $145 on this crappy 710-8M0101603 one nut kit?! lol....

Your link says to still check the two nuts all the time and it says: "The new Prop Double Nut Kit...

You're so right Don.

Thank you for the education on this.

Ok, thanks for the tips. So this isn't an issue for me and I haven't even started this new motor yet because it's still wet and freezing here! Boat is now overpowered so this 250HP v8 should hole...

My serial # is in my signature. New 250hp Merc v8.

I'm a salt water ocean guy and not a speed boat guy. My boat is a 21' Boston Whaler outrage with a top speed of maybe 48MPH.

Should I pull...

DLS. How are you making out with the loose prop nut? Did you solve this issue?

I just installed a brand new Mercury brand hub kit to 60 FT- lbs, the belleville washer is in the correct...

Is your speed data produced by a paddle wheel or....?

I'm not saying to use this oil but ford motorcraft sells 10w-30 synthetic blend oil.

Pretty cool. Thanks.

I think I see it! Thanks.546744

I saw this internet clip of a fresh water boat, with jackplate, and I took this pic from the movie. How is the water pump getting water?
546710

THANKS DON!!! I highly respect and appreciate all that you do. I'll continue to buy any high $ Merc parts from you to show my support.

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If you're saying Mercury's PCM allows the 5 amp, tiny wire gauge, clean power harness to solely power the starter or trim motor, it should blow every single time.

I can't believe Mercury ran a...

"Key off, battery cutoff switch off, 14 pin disconnected at back of motor- clean power fuse did not blow when operating engine mounted trim switch. Trim did not operate of course, but I could hear...

You used the words engine mounted trim twice. I think one of those should say throttle or dash mounted trim switch. Right?

That's not normal and "clean" power's Pos and Neg MUST go from back of motor directly to battery or from J box directly to battery. We've all questioned this but it must be done.

Does your...

I agree. Thanks Don!

My serial number is in my signature.

I'm ready to break in my new Merc 4 stroke 250hp but my boat's fuel tank has Don's optimax fuel concoction with 150:1 merc oil in it.

Will this 150:1 oil in...

Reading Don's post #12, you will have water pressure on the flush. You did that and reported back 0 psi so something is bad.

If you have the gearcase off why not connect a garden hose to the...

I love both answers, priceless!!!

I'm 100% going to move the VVM to the Jbox. THANKS DON!!!