V6 Project from VN 750 - Page 2 - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #11 of 21 (permalink) Old 04-13-2016, 06:23 AM
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Originally Posted by Daedalos_750 View Post
My madness is modify the engine to give more power: increase it to V6, 2250cc, 200 hp.
My proposal is based on creating a middle crankcase between the two originals. there will be space for new cylinders and pistons.
You know... on second thought ( no longer off the hip ), if you have that sort of fabrication ability at your disposal, just pull the engine off, keep everything from the gearbox back to the rear tire, shaft, etc.. and develop a Wankel. If you need the materials to do your design though, then salvage an old RX-7 Series 5 with a 13B engine ( twin Wankle turbocharged, 1.3L 202280 hp depending on what you salvage and what you do with it after ).

JDM Spec Engines - Mazda 13B-REW Engine


Then if you can swing it, just use the gear box as original parts to make some fireclay molds. Then make duplicates of all the parts inside using a Titanium alloy you'll need to develop to handle the various loads. If you can lean the oval slanted upwards into the frame you might just have enough room over the gearbox for an external belt driven alternator. You're going to need that.
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post #12 of 21 (permalink) Old 04-13-2016, 03:07 PM
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But they already make bikes with 200hp you can just go to a dealer and buy...that engineers have designed from the bottom up.. A 200hp Vulcan sounds like a death machine..(power, but not enough frame, suspension or brakes)
Like the first H2's

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post #13 of 21 (permalink) Old 04-13-2016, 03:21 PM
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I place this in the 'never happening' category.

Prove me wrong. I won't be mad!
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1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350
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post #14 of 21 (permalink) Old 04-13-2016, 03:30 PM
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yea, pics or it didnt happen

I can wait for them

2005 VN750

Sold 11-27-17
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post #15 of 21 (permalink) Old 04-13-2016, 03:50 PM
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V6?

Why? i mean, understand why, those of us that understand machines and motors always want to make things bigger and better. some people here might even have the proper engineering background to understand the torque and stress loads placed on different areas of the frame. i am not a nay sayer mind you. i love the 'Road Dog'. it reminds me of something my grandfather would have built. so cobble together anything you like. create whatever you desire. maybe you will come up with something to enter in to the Dirtbag Challenge. either way, please, for gods sake, keep us all in the loop on your progress! but if you just want a bigger bike with 200+ hp, go buy a Boss Hoss and leave that tiny poor VN750 frame be.

Drew
'03 VN750 a little over 4300 miles
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post #16 of 21 (permalink) Old 04-14-2016, 11:53 PM
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How interesting that the OP never replied to any of the comments left here. Maybe he finally came down. Just one post and bye bye. lol
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and always remember, "Ride until you rot!"
**Really not sure if the Big "C" is back right now
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 #17 of 21 (permalink) Old 04-15-2016, 05:51 PM
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when I am done with my mods, the VN750 will have a top speed of 350kts and will take off vertically. it's gonna be sweet!
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post #18 of 21 (permalink) Old 04-15-2016, 05:56 PM
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Originally Posted by Vulcan2000 View Post
How interesting that the OP never replied to any of the comments left here. Maybe he finally came down. Just one post and bye bye. lol
His last activity is only a few minutes after the first post. Pretty sure he hasn't read anything at all.

1986 VN750 27k miles
1999 EN500 32k
1983 GL650i in pieces. Someday it will ride again.
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post #19 of 21 (permalink) Old 04-15-2016, 07:42 PM
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Originally Posted by kc2dgq View Post
when I am done with my mods, the VN750 will have a top speed of 350kts and will take off vertically. it's gonna be sweet!
That's going to help at intersections and in the snow until you start selling it... omg... you should seriously start... you could EASILY get funding for it from all three branches of the big trio: Lawyers, Doctors, and Insurance Companies.

P.S. And PLEEEEEEEZE remember to add a hydraulic arm to the center stand and remove the spring. thanks in advance.
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post #20 of 21 (permalink) Old 04-16-2016, 12:19 AM
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Quote:
Originally Posted by kc2dgq View Post
when I am done with my mods, the VN750 will have a top speed of 350kts and will take off vertically. it's gonna be sweet!
Hell it don't matter how ya get to the mother ship as long as ya get there.me,I'm getting deemed up as I have an invitation

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