V-Max engine in my vn750. Yes, for real. - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 49 (permalink) Old 07-20-2013, 05:19 PM Thread Starter
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V-Max engine in my vn750. Yes, for real.

I'm gonna put a '00 V-Max engine in my '86 vn750(Because I wanna go real fast).

Any advice, ideas, suggestions, comments?

I'm not sure if it will twist my frame or not, but that is my main concern with this project.

What do you guys think?

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post #2 of 49 (permalink) Old 07-20-2013, 06:06 PM
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this is just my opinion but i think your a dumb ass if you want a faster bike get a crotch rocket

my vn750 can do 135 mph but i rarely hit 100 because there is no need this is a cruiser it is not ment for doing wheelies and out running cops although my bike with an almost stock motor can do just that

but remember never ride faster than your angel can fly

so my opinion is dont mess with it

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post #3 of 49 (permalink) Old 07-20-2013, 06:17 PM
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Are you bob'in it? Sounds like a lot of fabrication. If you're going to totally customize it and have the engine already it might be a fun project, but not a quick one.

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post #4 of 49 (permalink) Old 07-20-2013, 08:17 PM
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Sounds like a lot of work. I do like me some righteous fabrication though....

2003 vn750
1988 Pontiac Trans Am (project/driver)
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post #5 of 49 (permalink) Old 07-20-2013, 09:09 PM
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Originally Posted by stabbert View Post
I'm gonna put a '00 V-Max engine in my '86 vn750(Because I wanna go real fast).

Any advice, ideas, suggestions, comments?

I'm not sure if it will twist my frame or not, but that is my main concern with this project.

What do you guys think?
I think your first comment,"(Because I wanna go real fast)" explains the real problem with this idea. The bike is engineered for the particular motor that is in it already both for speed and handling. Just because you can fit a bigger and faster motor within the frame does not make it a good idea. Someone else said it earlier, "Get a crotch rocket." You state that your main concern is if it will twist your frame. It seems to me you need to do some more thinking on this potential project before you start it. Do you have the fabrication skills to do this and do you know all that is involved before you start? Maybe you should be asking yourself some questions before you start asking the rest of us any. JMHO You do have the right to do anything you really want to do so think and then go for it if you really believe this is the right way to go fast.

and always remember, "Ride until you rot!"
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but having to face the fact that this is a lifetime routine
going forward. Five operations done and it still continues.

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post #6 of 49 (permalink) Old 07-20-2013, 09:21 PM
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I always got some handle bar wiggling at about 100 mph. I think it could really get out of contol at higher speeds.

02 honda sabre 1100
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post #7 of 49 (permalink) Old 07-20-2013, 09:23 PM
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heighthwise ,i don't know that it would fit.
Plus side, you might be getting a better charging system and you'll have a more comfortable foot peg position.
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post #8 of 49 (permalink) Old 07-20-2013, 09:28 PM
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If you're gonna go through this much trouble to make the 750 faster, why not just sell it and get the vmax instead? At least you'd know then the bike frame can handle the power.

I only understand what I don't understand.
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post #9 of 49 (permalink) Old 07-20-2013, 09:30 PM
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It should fit vertical, horizontal will likely be a problem. The 750 is a 45° motor and the vmax is 70°. On the plus side, they're both shaft drive and you might be able to figure out how to put the vmax swingarm on the Vulcan. There are other fun things to figure out too. Fuel injection and valve control, etc... Neat idea though. Keep us updated.

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post #10 of 49 (permalink) Old 07-20-2013, 09:33 PM
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If speed is your thing, get a sport bike. Unless you got a free engine and free vulcan to start with, the costs and work will be ridiculous to build it. If you try it your biggest problem is, the vulcan is a small frame bike, you would have to build a hole new lower section of the frame and cut out the old. Even then, is there room for the engine, comfort etc. Tank is to small, would need a custom one to fit. Drive train and electrical would have to be built from scratch and gutting the originals. Even the swing arm can be in the way resulting in more frame rebuilding. In the end you would have built a completely new frame. Buy Vmax if that is what you want~
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