Another 43 T fan - Kawasaki Versys Forum
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post #1 of 104 (permalink) Old 07-13-2009, 03:01 PM Thread Starter
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Another 43 T fan

Finally received my 43 tooth Sunrocket sprocket and installed it. Here is why I love it.

1) No problem letting out the clutch in first. This was one of my concerns, but it is easy and can actually get thru a stop light in first gear now, if I want.
2) It is easier to ride, because the shifts are not so close together.
3) The speedo is right now. Actual rpms to indicated speeds are not that much lower, maybe 500 rpm, but the bike is moving faster.
4) Highways are more fun because you don't have to run at 6000 rpm all the time.
5) Twisties are more fun, 5th for tighties, then 6th in the straights

Recommend this to anyone, no matter your riding style. Should be stock!

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Last edited by Element; 09-15-2009 at 09:52 AM.
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post #2 of 104 (permalink) Old 07-13-2009, 06:43 PM
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Hi Element,

Thanks for your input.
After many had praised the 15/43 sprocket setup, can't wait to do it.
With the present scottoiler, setup should last long and get better fuel mileage.


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post #3 of 104 (permalink) Old 07-13-2009, 07:06 PM
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+10 on the 43...Put mine on 2 weeks ago and its a totally different bike...

If I new what I was doing, I wouldn't still be working
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post #4 of 104 (permalink) Old 07-13-2009, 07:24 PM
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I've had mine on for 14,000 miles


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post #5 of 104 (permalink) Old 07-13-2009, 08:37 PM
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I do a lot of tight twisties and usally run in 2 or 3 gear rpms go up to about 8000 if I really push it. Wondering what effect this sprocket will have on that type of riding? Although that is just for the twisties the rest of the time normal riding.
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post #6 of 104 (permalink) Old 07-14-2009, 12:03 AM
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is running a 43t rear any different than a 16t on the front? i have a 16t but am wondering if the 43t is a better way to go
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post #7 of 104 (permalink) Old 07-14-2009, 12:36 AM
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Thumbs up

007/ The only dif I could think of its a whole bunch easier to install...1/2 tops if you have a real stand...
Jerryes/ IMHO the V runs better in the twisties with the 43...Not so much shifting...Leave it in second and it runs like a raped ape

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post #8 of 104 (permalink) Old 07-14-2009, 12:59 AM
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Originally Posted by tsunamichop007 View Post
is running a 43t rear any different than a 16t on the front? i have a 16t but am wondering if the 43t is a better way to go
16/46 gives you gearing that is 6.6667% taller than with stock 15/46 sprockets. 15/43 is 6.9767% taller than stock. So, 15/43 is about 0.2907% taller than with 16/46 sprockets...
At 4700 rpm (about 65 mph in 6th gear), rpm drops to 4406.25 when switching to 16/46 sprockets at the same actual speed originally achieved with 15/46 sprockets (in any gear), and to 4393.48 rpm with 15/43 sprockets.

Last edited by invader; 07-14-2009 at 01:37 AM.
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post #9 of 104 (permalink) Old 07-14-2009, 01:00 AM
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T43 mean smaller sprocket in the back, correct? Is the original 45, 46?

I think +1 in the front should be better. At least 16 F will have a longer chain life. Changing back to 43t will shorten chain life by quite a bit.
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post #10 of 104 (permalink) Old 07-14-2009, 01:04 AM
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Originally Posted by LAVersys View Post
T43 mean smaller sprocket in the back, correct? Is the original 45, 46?

I think +1 in the front should be better. At least 16 F will have a longer chain life.
43T is 3 teeth smaller than original rear driven 46T sprocket... Actually, I think 15/44 for 4.5455% taller gearing as many prefer (or 15/45 with taller 150/70-17 rear tire for resulting ~5% taller than stock) is better than slightly overkill 15/43 or 16/46.

http://www.kawasakiversys.com/forums...light=sprocket

A front 16T sprocket would last a bit longer than a 15T, but with little difference on chain life. A smaller rear 43T will have negligible effect on sprocket or chain life.

Last edited by invader; 07-14-2009 at 01:20 AM.
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post #11 of 104 (permalink) Old 07-14-2009, 01:05 AM
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This mod sounds great. Has anyone done this mod and been 2up with luggage?

"Only dead fish go with the flow"
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post #12 of 104 (permalink) Old 07-14-2009, 01:24 AM
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I have seen something with front sprocket, rear sprocket ratio thing in Vstrom forum (while I had a vstrom 650 a few years back)

Anyone good with math here?

I kind of like thing stock right now, but this information is good to learn.

Last edited by LAVersys; 07-14-2009 at 01:27 AM.
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post #13 of 104 (permalink) Old 07-14-2009, 06:46 AM
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I installed a Vortex 44T yesterday. A short test run confirmed I made the right decision. Probably can't go wrong with a 43T either.
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post #14 of 104 (permalink) Old 07-14-2009, 07:22 AM
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Does going with the 43t on the rear hurt the low end - 1st gear take off power? I am one of the larger V riders at 6'4" and 280 pounds, so I don't need to loose any low end power. But, the one thing I wish was different was all the shifting and not getting quite as much out of each gear.
Not that I am expecting to get 55mph out of first like my V-Max, but anything a little better than stock would be great. Any one have a good descrition of feel in 1st, 2nd, etc compared to stock?
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post #15 of 104 (permalink) Old 07-14-2009, 08:21 AM Thread Starter
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Originally Posted by rider4C View Post
Does going with the 43t on the rear hurt the low end - 1st gear take off power? I am one of the larger V riders at 6'4" and 280 pounds, so I don't need to loose any low end power. But, the one thing I wish was different was all the shifting and not getting quite as much out of each gear.
Not that I am expecting to get 55mph out of first like my V-Max, but anything a little better than stock would be great. Any one have a good descrition of feel in 1st, 2nd, etc compared to stock?
As I said earlier, first gear take off is easy, no harder than before. It is easier to manuever and should be better for two up and gear because you get more momentum before you have to shift to second. That was sometimes awkward for me, clutching the bike half way thru an intersection. I am not trying to encourage anyone to do this mod, just happy I did it.

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post #16 of 104 (permalink) Old 07-31-2009, 08:10 AM
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+1! The little brown truck came by last night and I put my new sprocket on in about 20 minutes. Riding to work today was definitely different in that it almost felt like I had an overdrive on her...no more searching for that elusive 7th gear. Now I've just got to break the year long habit of cruising at 69 mph indicated in a 55 zone!

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post #17 of 104 (permalink) Old 07-31-2009, 09:22 AM
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O.K. where do we get this 43t set up at? who has the best gear(no pun) for the best price??? Thanks ALL Great stuff here!

if it were easy....everyone would do it!
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post #18 of 104 (permalink) Old 07-31-2009, 09:54 AM
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http://www.motorcycle-superstore.com...ki-Versys.aspx

I notice the Sunstar (most used it seems) is now on backorder but other reputable sights like bike bandit, knee draggers, etc... probably have comparable prices. A steel one will last longer than aluminum.

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post #19 of 104 (permalink) Old 07-31-2009, 10:05 AM Thread Starter
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I ordered my Sunstar from the dealer, it took a month to get it.

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post #20 of 104 (permalink) Old 07-31-2009, 10:15 AM
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I majored in Math in College but I'm not good at it.

Seriously, changing the gearing on your V is probably the best mod you can do to it!
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