shaft to chain? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 20 (permalink) Old 09-18-2011, 03:19 AM Thread Starter
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shaft to chain?

Is that even possible

2004 Vulcan 750
Mine on Feb 2011
with 14,000mi
now 18,000mi
bone stock and
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post #2 of 20 (permalink) Old 09-18-2011, 09:05 AM
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Go to the 800 vulcan. Those are chain driven.
It would be way too much work to do a change over. That is if it is even possible.

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post #3 of 20 (permalink) Old 09-18-2011, 10:13 AM
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Anything is possible given enough time and money.
Is it worth the trouble and expense? Not to me it isn`t.
If I wanted a chain or belt drive on my motor, that is what I would buy. JM $0.02 W

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
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F&S luggage rack and engine guard
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July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
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post #4 of 20 (permalink) Old 09-18-2011, 01:27 PM
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I do not like chain drive. not at all! at one time I had three bikes, 1 w/chain, 1 w/belt, 1 w/shaft drive. now I have 2 bikes. guess which one I sold? yup, the 1 with chain drive and I will never buy chain drive bike again. no thank you!
so why would you want to change the VN750 from shaft to chain?

if it goes vroom or boom, I LIKE IT!
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post #5 of 20 (permalink) Old 09-18-2011, 01:36 PM
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Shaft to Cahin

I seen this brought up before. I thought that the shaft was supposed to be an improvment. as far as I am conserned it is. Why would anyone want to go back to a chain? I use my bike on finished roads nothing wild maybe there is another side but I can't see it. I guess everyone has a right to believe what they want, but I will stick with the shaft.

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post #6 of 20 (permalink) Old 09-18-2011, 08:05 PM
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There are several advantages to chain drives.... They weigh less, they transmit engine power more efficiently (shafts waste 5-8 hp) You can alter the overall gearing with a chain, and they don't "jack the rear" like a shaft can.

Modern dry film lubes make lubing a chain a painless and less messy operation. As do O ring sealed chains. Removing the rear wheel is easier, and yeah, they are cheaper to repair.

The only thing the shaft has going for it is it requires less maintenance. So, it's great for long distance bikes like touring bikes .... Or lazy owners...

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post #7 of 20 (permalink) Old 09-18-2011, 10:42 PM
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I don't mind shaft drive. It's quiet but performance wise, I'm a fan of chain drive. They don't require all that much attention with the newer lubes available. Only did it once a season on my GS and had no issues. I definitely would not consider the task if converting my V to a chain or belt. Not worth it. I would however, love to see what she'd do on the top end with the regained horsepower. As well as the ability play with ratios. My buddy's 750 Shadow is chain. Although my Vulcan out performs because it can rev higher before popping, his shadow just has a nice feel when yiu accelerate. Don't know how to describe it. More "there" maybe? Direct or whatever. I don't find that the Vulcan jacks as much as other shaft drives I've ridden but there's a definite difference in feel with driveshaft. Just throwing in my two cents for consideration. Peace.

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post #8 of 20 (permalink) Old 09-19-2011, 12:44 AM
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This is all quite informative! Love to learn new stuff on here
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post #9 of 20 (permalink) Old 09-19-2011, 03:15 PM Thread Starter
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the shaft limits customization alot... ie i cant get different rims, i cant extend swing arm, i cant change final drive ratio. I just wanted to see what ya'll had to say on the subject. thanks for every ones input. I am really starting to see a sport bike in my future. ZX-10R, GSXR-1, whatever it may be, it will be a liter or better. Im getting board with the lil 750

2004 Vulcan 750
Mine on Feb 2011
with 14,000mi
now 18,000mi
bone stock and
Lovin it
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post #10 of 20 (permalink) Old 09-19-2011, 07:30 PM
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Quote:
Originally Posted by Knifemaker View Post
There are several advantages to chain drives.... They weigh less, they transmit engine power more efficiently (shafts waste 5-8 hp)
KM, is that 5-8 hp relatively constant for a wide range of engine displacement/power rating? Say for the vn750 up to a 1600 cc engine.

I don`t know if it is true, but I have heard numbers as high as a 30% drop in HP for a shaft drive bike over a chain.
I think the vn750 is rated at 65hp, so a 30% loss at the wheel would be almost 20hp.

What do you think about the 30% loss of power claim?

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/showthread.php?t=9127
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