Sprocket advice

[papi_ocho]

My 06 mods kn. Yoshi duals.

Worn out chain at almost 19k.

I hear great things about the effects of changing sprocket sizes.

My style spilt about even 2up, light curves, high speed highway trips.

ZERO drag, circuit course, track rides.


Is it worth keeping it stock or should I play around a bit.

I understand the front sprocket very well.

Smaller gets me higher rpm at any given gear/speed

Bigger gets me the opposite

But I get all kinds of lost when factoring the rear sprocket.

Not too sure what I'm trying to gain. But I am open to all experiences and advise!



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[Fastfrog007]

Bigger rear will get ya more acceleration and less top end. 1 front tooth is equal to 3 rear teeth when changin em out.(pretty sure) Unless you see 170+ on a regular basis, up a tooth or 3 outback is a good way to get some more "whoa" out of her.

 

[pashnit]

Vortex Sprockets | Suzuki Hayabusa GSX 1300R | B King

 

[dadofthree]

Check out this website gearingcommander.com. It's easy to use. I read your style of riding and I would say stay stock, but using the website provided you can figure out what you want. With that said I'll say this. Changing the front sprocket can be a PITA. If I was gonna try something, I would experiment with the rear sprocket because if you don't like it you can easily change it to another. Best of luck.

 

[papi_ocho]

Changing the front sprocket can be a PITA.

I heard that, but it is worn enough to be teamed with worn chain and is skipping teeth.

Time for the entire set up to go.

I'm also trying to do this all in one shoot without changing multiple sprockets.

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[dadofthree]

I heard that, but it is worn enough to be teamed with worn chain and is skipping teeth.

Time for the entire set up to go.

I'm also trying to do this all in one shoot without changing multiple sprockets.

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I understand that. Another good rule is to change both sprockets and chain at the same time.

I'm saying change the front sprocket to stock, go up three teeth in the rear and change the chain. If you don't like it because you no longer have the top end you like it's easy to buy another rear sprocket and change it.

 

[red1100cc]

what ever your choice our sponsors can hook you up.

go +3 rear

 

[Spkrdctr]

Your style of riding is exactly like mine. I am two up in wieght, have long sweeping Florida curves and lots of high speed Florida Freeway driving. I would go up one tooth on the front sprocket. It will make your highway riding about 200 rpm lower. You will not notice it at low speeds with your riding. Good luck with whatever your decide.

 

[Gpmo]

I'm currently considering going back to a stock set up. I'm losing out on some fuel economy and would like it back for the miles I do. Btw I'm -1 +2.

 

[Pecan Pouch]

I am going to have to agree with everyone that said stock front +3 in rear. It is a nice lil upgrade.

 

[papi_ocho]

Can someone explain( in plain english) the effects of increasing/ decreasing the number of teeth of the rear only..



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[dadofthree]

If you increase the number of teeth on the rear you lower the gearing making the bike more aggressive down low but you will not have the top end speed. If you decrease the number of teeth on the rear you raise the gearing and on a stock Busa the bike will be sluggish down low with no affect on the top end. I dropped the rear two teeth on my '06 for a calculated 207 MPH top end. However with a stock bike and my weight the bike just couldn't do it. With more HP and torque you could exceed the 186 MPH limit of the post '00 Busa's.

 

[Black Sheep]

I understand that. Another good rule is to change both sprockets and chain at the same time.

I'm saying change the front sprocket to stock, go up three teeth in the rear and change the chain. If you don't like it because you no longer have the top end you like it's easy to buy another rear sprocket and change it.

I agree with the stock front, plus 3 in the rear. Plenty of rpm's to find up towards the top. Changed my ride for the better!
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[papi_ocho]

With f 0 r+3 will I need to add length to the chain.

If it is an option should I add links?

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[sixpack577]

With f 0 r+3 will I need to add length to the chain.

If it is an option should I add links?

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+3 fits the stock length chain fine. There is plenty of slack and room for adjustement. It'll also shorten the wheelbase by over an inch, nice for curves and wheelies, but no big deal if you don't like either.
Links also must be added in pairs, even numbers.
Gen1 has a 112 link chain. A 114 link chain would keep your wheelbase from shrinking as much, but really isn't needed.

 

[frisbee]

just go down one in front

 

[sixpack577]

-1 front only equals +3 rear on paper. The final drive ratios are very close, but the real world feel is very different. -1 front cannot utilize the available torque as well, and the engine will be faster revving. +3 rear will feel like a big gain in torque and your rpms will only increase around 400. Your overall top speed will drop around 10mph, ballpark, with either.
Gearing commander the website is also just a reference for what speeds a gear ratio combination is capable of. Real world conditions affect that dramatically. Horsepower/torque output of the individual bike, the weight of the rider, the size of the rider(wind resistance), headwind/tailwind, temperature and humidty, elevation, ect.
Know what you want from the bike first. Personally I also prefer the +3 rear by itself. I've had the -1 with and without it too. As well as countless gearing combos on many bikes over the years.
If you want your Busa to feel quicker and faster revving like a 1000cc bike, go -1 front.
If you your Busa to feel like it already does, only more of a monster, go +3 rear.
Both together will still have the 1000cc "feel" to it.