Horse Power

[bigirishk]

Hi Blue,

Don't know about your jack plate question, but my '83 came new with a Johnson 140 just like the ones you have. Before the engine let go, I went out several times with the original owner (family friend) and I have to tell you that I thought it had plenty of power. 30+ easily. I'm a bit of a speeder, but I didn't really think it was grossly underpowered. I repowered with a used 87 200hp Johnson that sucks fuel and runs mid 40's. I'd probably still be running on the 140 if it hadn't let go. BTW mine is a 25" shaft.

Kevin

Blue, I don't know much, if anything about jack plates ( ain't they a southern thing - where you at anyway?). Won't a jackplate, by raising your motor 5 inches, put more of a torque strain on your transom? Kind of a lever effect. Not such a good thing, especially in your case.

I don't think a carbed 140 hp would be inadequate for your v20, might even be a good idea to take it easy on the old girl. I just think they are crummy motors to begin with, and the ones you have -- let's just say -- I don't see much of a future for them. Face it -- a pair of 15 year old, 25 inch shaft, counterrotating 140's. As Airslot indicated above, you need less length on twins because you are outside the bottom of the V. That tells you that they were pushin a big boat. Sell them, and buy the best 20 inch shaft 150hpyour money will buy - that is what I would do anyway. :)

[Blue_Runner]

Seakindly,

I live in North Carolina.

You have good points. Assuming both of these motors run and have even compression, what would be a good asking price in your opinion?

They have stainless steel props that are in near perfect condition. They look pretty good under the hood, I'd say average for the age.

Hopefully you'll say their worth enough to buy a decent 150hp...

Thanks,
BR

[Airslot]

The splatter job is also known aws cob webbing. Kind of the finsish you would see in a Carolina skiff. Crack should be filled first. good luck.

Airslot

[reelapeelin]

BR...hey man, you made a good point...if 140 is enough and all you gotta do to make it work is weld up a jack plate, GO AHEAD ;D...the GREAT thing about that is , you got a SPARE MOTOR for no more money!!...you sure got nothin' to lose tryin' it...

Hey guys...as a single; will BR's left motor work as good as his right motor?... 8)

I am running a 140 4 stroke Suzuki on my 86 V20 Step lift At 4200 rpm I am crusing at 25MPH .This rig red lines at 5200 RPM WOT gives me close to 38MPH GPS speed Thats fast enough for me, half the time water conditions dont allow me to go beyond 25Mph. I am getting to old to pound down the bay. Capt K

CK, those are nice top end numbers. Another member,Fugazi, has the same motor and he reported that it was a bit sluggish out of the hole. Do you run it with a whaletail (Stingray hydrofoil)?

Blue, the ob mechanic will be able to give you a much better estimate of their worth, after he checks them out, than I could. In NY this year, there seems to have been a lot of twin takeoffs for sale on the used motor market. The counterrotater, if in good shape might be worth more to someone who needs exactly that. You might connect with that guy on ebay.

[Blue_Runner]

I went to pick up a set of new plugs at Grubb Marine in Winston-Salem.

The guy checked the book on the value of the motors.

High Retail was $1800
Low retail was $1600
Trade in was $1400

Minus the fact that they were salt water motors I'd be real tickled to get $2000 for the pair. But, that might be asking too much. Worth a shot though.

BR

SEAKINDLY, I dont have a hydrofoil. Yes, she is a bit slow out fo the hole, but once she is on plane, a nice ride.This is my 3rd. season with this motor and I just turned 450hrs. If the weather holds up I might have 525 hrs on her by seasons end. Capt K

[bigshrimpin]

Capt_K - What's your prop size? I'll bet fugazi would be interested. I think he said that he lost a few MPH when he repowered with the 4stroke suzuki/johnson.