VN900 motor upgrade - possible? - Kawasaki Vulcan Forum : Vulcan Forums
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post #1 of 17 (permalink) Old 03-03-2013, 12:24 PM Thread Starter
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VN900 motor upgrade - possible?

Is this doable?

Need more power, being in this part of world i have many limitations; motorcycles are not much popular around here,so no trading-in and no exchange. I bought this 900LT from US-New Hampshire so selling this here will be a big job to think about another bigger bike! So esiest thing is to modify this one.
I think i wont be satisfied with a exhaust-air intake-fuel processor upgrade. I defenitely need a big bore motor, is it doable on this 900? Else what are the solutions?

appreciate all comments.

regards,
cv
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post #2 of 17 (permalink) Old 03-03-2013, 05:13 PM
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Quote:
I defenitely need a big bore motor, is it doable on this 900? Else what are the solutions?

appreciate all comments.
Other than the big 3, pipes, air and processor, the only option i have seen is a home made turbo. The big 3 on a properly done bike will raise the HP from around 43 hp at the rear wheel to around 60 hp at the rear.

Wont more, ya gonna have to buy a different bike.

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post #3 of 17 (permalink) Old 03-03-2013, 09:08 PM
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+1 to what Whiting said.

The big three will give you a sizeable bump, but there's only so much 903 cc's will do for ya in a V-Twin with single overhead cams. I know you said it'd be difficult, but I usually tell people that if they think the 900 is seriously lacking, then the big three won't likely satisfy them. It's probably best to just cut your losses and move on to a 1700 or even a V2K (a V2K is a great bike to move to from a 900 because the frames and the riding position is very, very similar. A V2K is, pretty much, a VN900 with a hotrod motor).

BUT, if you're the kind of person who likes the 900, but thinks a little bump in power would be nice, then the big three is the way to go. Just be aware that the cost of the big three, combined with what your bike is worth, COULD get you a used V2K here in the states.

That said, I really enjoy my 900, and would honestly rather have a 900 with the big three than a V2K (I like the low weight and nimbleness). The only exception was if there was a full dresser V2K (like a V2K voyager with stereo with handlebar controls, storage, fairing, etc.)

"8 But God demonstrates his own love for us in this: While we were still sinners, Christ died for us."

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post #4 of 17 (permalink) Old 03-03-2013, 10:08 PM
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If you're lusting for that much power, why did you buy the VN 900 to begin with? Yes, the V2K IS a huge jump in power from the 900, I know, I own both. But for nimble handling in a cruiser, the 900 is definitely that. Up in the mountains of east TN/western NC, the V2K will wear you out, right along with the floorboards and bottom pipe.
Your 900 is a fine machine right off the showroom floor.
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post #5 of 17 (permalink) Old 03-04-2013, 08:01 AM Thread Starter
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Which is the best pipe for a 900 which could give you more power. I dont like the looks of a 2 into 1 system, so please tell me about 2 into 2 kinda stuff along with a cobra fuel pro and air intake.

regards,
cv
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post #6 of 17 (permalink) Old 03-04-2013, 09:51 AM
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Whatever options you chose, be sure and dial (dyno tune) the combination in or you will be leaving power and efficiency on the table.
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post #7 of 17 (permalink) Old 03-04-2013, 10:07 AM
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Originally Posted by classicvulcan View Post
Is this doable?

Need more power, being in this part of world i have many limitations; motorcycles are not much popular around here,so no trading-in and no exchange. I bought this 900LT from US-New Hampshire so selling this here will be a big job to think about another bigger bike! So esiest thing is to modify this one.
I think i wont be satisfied with a exhaust-air intake-fuel processor upgrade. I defenitely need a big bore motor, is it doable on this 900? Else what are the solutions?

appreciate all comments.

regards,
cv
What part of the world are you posted? Seems to me that if you go the big three route you'll need a smart tune fuel processor such as the Cobra Powrpro or the PCV with Autotune. Any way you look at it you can expect to pay USD 1500 for a top of the line package.
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post #8 of 17 (permalink) Old 03-04-2013, 10:49 AM
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Originally Posted by Romans5.8 View Post
+1 to what Whiting said.

The big three will give you a sizeable bump, but there's only so much 903 cc's will do for ya in a V-Twin with single overhead cams. I know you said it'd be difficult, but I usually tell people that if they think the 900 is seriously lacking, then the big three won't likely satisfy them. It's probably best to just cut your losses and move on to a 1700 or even a V2K (a V2K is a great bike to move to from a 900 because the frames and the riding position is very, very similar. A V2K is, pretty much, a VN900 with a hotrod motor).

BUT, if you're the kind of person who likes the 900, but thinks a little bump in power would be nice, then the big three is the way to go. Just be aware that the cost of the big three, combined with what your bike is worth, COULD get you a used V2K here in the states.

That said, I really enjoy my 900, and would honestly rather have a 900 with the big three than a V2K (I like the low weight and nimbleness). The only exception was if there was a full dresser V2K (like a V2K voyager with stereo with handlebar controls, storage, fairing, etc.)
Romans speaks of the truth. The V2K is the 9's overgrown and over fed sibling. Even the sissy bars and such will interchanged between them.

Quote:
Originally Posted by mark edward marchiafava View Post
If you're lusting for that much power, why did you buy the VN 900 to begin with? Yes, the V2K IS a huge jump in power from the 900, I know, I own both. But for nimble handling in a cruiser, the 900 is definitely that. Up in the mountains of east TN/western NC, the V2K will wear you out, right along with the floorboards and bottom pipe.
Your 900 is a fine machine right off the showroom floor.
This is also very true. I soon found my self being one of the guys toward the back at times because you can only lean so far until you start scrubbing. I have even bottomed out my frame in a curve while hitting a bump.

Don't get me wrong. I love the bike and I would not get rid of it for anything, and has probably been my favorite bike. But those are 2 major short comings of the bike.

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post #9 of 17 (permalink) Old 03-04-2013, 11:07 AM
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i had a vulcan 800, very nice bike but i was never impressed with the power from it
i did not realize until now the second v twin the 1700 voyager power wize not too impressive not like a honda 750-4, yahama 850 tripple, even the 1200 goldwing i
just sold, 4 cyl, is alot faster than the v twin,
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post #10 of 17 (permalink) Old 03-04-2013, 11:14 AM
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Quote:
Originally Posted by Byron View Post
i had a vulcan 800, very nice bike but i was never impressed with the power from it
i did not realize until now the second v twin the 1700 voyager power wize not too impressive not like a honda 750-4, yahama 850 tripple, even the 1200 goldwing i
just sold, 4 cyl, is alot faster than the v twin,
You ought to check out the V2K. CC's don't tell the whole story. The 1700 Vulcan is designed to be a smooth, efficient, and reliable V-Twin engine for touring platform bikes (even the 'classic' variation has touring accouterments like air suspension).

However, generally, a 4 cylinder motor WILL provide more power than a two cylinder motor, generally, of similar displacement. Remember it's a four stroke engine. Four stroke engines only actually make power every fourth stroke. That means that every other stroke (if you combine them then even them out) makes power on a V-Twin, whereas every stroke makes power on a 4 cylinder motor in at least one piston. There are some other advantages to 4 cylinder motorcycle engines as well.

But, I didn't buy it for raw power. I like the throatiness, the torque, and the ease of maintenance a V-Twin offers. One of my favorite things to do with any V-Twin is to lay into a corner, and snap the throttle coming out of the corner and really feel all of that torque pull you out of the corner.

"8 But God demonstrates his own love for us in this: While we were still sinners, Christ died for us."

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iPod Connector Kit, Kuryakyn Highway Pegs, Mustang Touring Seat, Marvella's Hitch, Kuryakyn Trailer Wiring Kit, Haul-Master Tag-a-Long Cargo Trailer

2011 Honda Shadow Aero 750 (Wife's)

Memphis shades quick-release windshield, OEM Solo Seat, Mustang Fender Bib, Chrome Solo Luggage Rack

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