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Discussion Starter #1
By "best", I mean best price :) The sprockets have over 15,000 miles on them and the chain about 10,000. I'm satisfied with the stock gearing.

I started searching for the information but got impatient wading through it all.

Thanks!
 
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I just looked up sprockets and X-ring chain prices today. Rocky Mountain MC has good prices with excellent shipping options. You are also going to need a case gasket and it's a good time to replace the oil seals.
 
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Discussion Starter #3
Thanks. You don't happen to have part numbers on those seals do you? The chain I need with the stock gears is a 122 link, correct?
Any thoughts on factory VS aftermarket sprockets?





I just looked up sprockets and X-ring chain prices today. Rocky Mountain MC has good prices with excellent shipping options. You are also going to need a case gasket and it's a good time to replace the oil seals.[/QUOTE]
 

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I'm ordering JT Sprokets


Chain Links
Stock 50 tooth: 122 links
45 tooth: 120 links
55 tooth: 124 links
65 tooth: 130 links
 

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Any thoughts on factory VS aftermarket sprockets?

The stock Yamaha sprockets are very good quality and are both steel. Most aftermarket rear sprockets are aluminum. If the Yamaha sprockets are price competitive, you might want to consider using them.
 

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This thread may help

[video]http://tw200forum.com/forum/technical-help/15193-chain-sprocket-replacement-checklist-procedures-tips.html[/video]
 

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TopPredator, I agree with you on JT sprockets

JT sprockets use a special type of hardened steel which means that after more than 15000 miles the rear sprocket on my bike shows nearly no sign of wear!

I also recommend x-ring chain instead of o-ring chain, the DID 428 VX chain is the chain I'm using and you can get 20 000 miles on that chain if you look after it, no joke.
 

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TopPredator, I agree with you on JT sprockets

JT sprockets use a special type of hardened steel which means that after more than 15000 miles the rear sprocket on my bike shows nearly no sign of wear!

I also recommend x-ring chain instead of o-ring chain, the DID 428 VX chain is the chain I'm using and you can get 20 000 miles on that chain if you look after it, no joke.
JT Sprocket also seem to have a wider range of sizes to choose from. I have only read about how superior the x-ring chain is over others and Im currently running a DID o-ring chain on my 06. I've had it on for two years now with probably 6,000 miles and haven't had to adjust for stretch. 20,000 miles is impressive especially when it's expensive to replace sprockets and chains. The little extra you pay for an x-ring chain is huge when it comes to money and maintenance time. People don't realize other what parts you need when replacing sprockets. I only found out that I needed a rear sprocket bolt kit after I had my bike apart. The nylon nuts are only a one time use because they won't hole tight the second time without lock washers.
 

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I was holding off to buy a chain for my Black Widow project until I decided what sprocket I was going to run. My 06 had a 45 tooth on it when I bought it so I didn't know how a stock 50 gearing would perform. After riding my Black Widow this past weekend with the stock 50 tooth I'm going with the 45 tooth on it as well. The 50 tooth is a 55 MPH bike and the 45 tooth is a 65 MPH bike. The TW still has low enough first and second gears to handle trails and gives you excellent gearing for two lane back roads. It's like having a 6th speed transmission. My 4th gear on the 45 tooth is exactly the same as the 5th gear on the 50 tooth rear sprocket that I'm currently running on the BW. I love the 45 tooth sprocket :)

If you are interested in a 45 tooth JT Amazon has them for $23.
 

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Pro Cycle has everything you need to do a change. Also you can go to a good hardware store and buy stover nuts for your rear sprocket. They won't back off and you can reuse them.
 

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JT X ring chain -- same company that makes the sprockets -- free shipping: JT CHAIN 428X1R-124SL | eBay

You maybe be able to use the chain as is if you slide the wheel all the way back otherwise two links will have to be removed.

I use the same chain for 50 and 55 tooth rear sprocket. I don't know how many links it is. When new I "cut it to fit".

Pro Cycle people are nice and knowledgeable and they deal in good quality parts but you will pay for that, i.e. they are expensive.
 

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I don’t know how ProCycle stays in business since when I price compare their products are always significantly more expensive than most other vendors for the same item especially when shipping costs are factored in. One can usually still buy from another american re-seller yet come out ahead dollar wise. Why the loyalty to ProCycle, do they give some sort of life-time warrantee or other service to justify the price premiums?
 

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Discussion Starter #15
Thanks everyone- I appreciate all the help!
 
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