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Discussion Starter #1
Ok fellas, I think we have a winner! Thanks to our friends over at Versys.co.uk (link here: http://www.versys.co.uk/index.php?option=com_smf&Itemid=45&topic=1591.45;topicseen), they have found the OEM kawasaki 16t replacement sprocket that will fit the Versys. It has the rubber damper just like our stocker. Its from the ZX6. Looks like it will be around $30 to $35.

16 tooth front sprocket with damper PN: 13144-0038


WOO HOO!! :D:D:D

P.S. I realize you have to login to see the thread above, sorry 'bout that, but I don't know any way around it, & I wanted to give credit to the proper folks...
 

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ok here is a very simple question . What are we gaining with a 16t sprocket over the stock 15t ?
 

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ok here is a very simple question . What are we gaining with a 16t sprocket over the stock 15t ?
You turn less RPM at highway speeds with a 16T. Should help get a little better gas mileage. :thumb: :thumb:
 

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Discussion Starter #9
Front 16T sprocket with damper (Kawasaki # 13144-0038) is actually a Sunstar # 3A516. It's available in Canada from Motovan (390-7001) for $35.99. Sunstar # 32516 is the non-damper version. OEM rear is also a Sunstar...

Are you saying the Sunstar #3A516 has a rubber damper just like OEM?? Where were you when we were all whining about the non-dampered sprockets? :D
 

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Gear Ratio

Depends on what you are looking for. The jump up one tooth on the countershaft is pretty large. Might be better to go with the 38t rear.

  • 15/43 2.86:1
  • 16/43 2.69:1
  • 15/38 2.53:1
  • 16/38 2.37:1
 

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Depends on what you are looking for. The jump up one tooth on the countershaft is pretty large. Might be better to go with the 38t rear.

  • 15/43 2.86:1
  • 16/43 2.69:1
  • 15/38 2.53:1
  • 16/38 2.37:1

Whoah!! Stock rear is a 46... 15/43 (+7%) is just 0.3% taller than 16/46 (+6.66 %). A 43 tooth rear is more common and easier to find. 15/45 would have the gearing about 2.3% taller, and about 4.6% taller with a 44.
 

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Once you guys are up and running with the new sprockets please let those of us trying to decide know how it worked performance wise.
 

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It works well, even without the rubber shoulder. I think some people said they could hear a bit more noise when running, but if you wear earplugs, it's not likely to be a concern.

The lower rpms (~7%) make a nice difference on higher speed runs, where it seems a lot more relaxed compared to what it was with the original gearing. I think the issues with the speedometer changes have been discussed before, but just in case someone reading this hasn't read the other threads - the speedometer reading does not change, what changes is the accuracy. You typically had a 8-9% error before, the speedometer will now be only 1-2% off the real speed. This means that you will still see 80 (or 82 to be precise) at 6K rpm, but before you were actually traveling at 75 MPH at 6K, now your real speed is 82, as indicated by the speedometer.

Gustavo
 

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Is more throttle needed to get the bike rolling after swapping to 16t sprocket? Does it cause the bike to lug at low rpm? Thanks in advance.
 

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My dealer told me the correct Motovan part number is 390-4516, and refused to order the 390-7001.

Anybody know if 390-4516 is the non-damped part?

I wish dealers just did what they are told. :(
 
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