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I've been looking around for a 15T front sprocket but haven't had any luck. Is there a good place that you guys get them from? I've only been able to find rear sprockets so far but I'm just wanting to stick with the 50T rear.



also does anyone know the chain length needed for a 15-50 setup?
 

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I've been looking around for a 15T front sprocket but haven't had any luck. Is there a good place that you guys get them from? I've only been able to find rear sprockets so far but I'm just wanting to stick with the 50T rear.


I just had my dealer order one. It took less than a week to get it.



I like the 15/50 combo. I had 15/47, but with my weight & headwinds it was too tall, no torque.



So far (a couple of weeks) 15/50 is working great. Usable first gear, and still has a little torque above 55MPH. It doesn't drop below 60 uphill into the wind anymore.
 

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I just had my dealer order one. It took less than a week to get it.



I like the 15/50 combo. I had 15/47, but with my weight & headwinds it was too tall, no torque.



So far (a couple of weeks) 15/50 is working great. Usable first gear, and still has a little torque above 55MPH. It doesn't drop below 60 uphill into the wind anymore.


crap, I should have asked about them when I was there today getting stuff for my oil change. How much did they cost at the dealer? Also, can you cruise around 60-65 reasonably well with the 15/50? I'm mainly going to use mine for about 10mi on the freeway to get to school and possibly for an hour to go to my dads or up to seattle but those cases would be more rare. I'll also be doing trail riding on occasion.
 

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crap, I should have asked about them when I was there today getting stuff for my oil change. How much did they cost at the dealer? Also, can you cruise around 60-65 reasonably well with the 15/50? I'm mainly going to use mine for about 10mi on the freeway to get to school and possibly for an hour to go to my dads or up to seattle but those cases would be more rare. I'll also be doing trail riding on occasion.


I don't recall the exact price for just the front sprocket. I got the chain & rear sprocket, gasket, etc., all at the same time. I believe the front was under $15. Maybe under $10. I know it wasn't more than a couple of bucks higher than any on-line prices.



With 15/50 I can easily hold between 60~65 on the highway up the overpasses and for the 5~15 miles to get around to the other side of town. On the straights I can get to 70 indicated WOT for short bursts. I weigh around 300#, so a lighter dude should have no problem beating that.

 

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I don't recall the exact price for just the front sprocket. I got the chain & rear sprocket, gasket, etc., all at the same time. I believe the front was under $15. Maybe under $10. I know it wasn't more than a couple of bucks higher than any on-line prices.



With 15/50 I can easily hold between 60~65 on the highway up the overpasses and for the 5~15 miles to get around to the other side of town. On the straights I can get to 70 indicated WOT for short bursts. I weigh around 300#, so a lighter dude should have no problem beating that.


cool, I'll give my dealer a call tomorrow about it. that sprocket setup sounds about perfect for what I want, I weigh about 170lbs now so I should be good.
 

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cool, I'll give my dealer a call tomorrow about it. that sprocket setup sounds about perfect for what I want, I weigh about 170lbs now so I should be good.


I strongly suggest paying a little extra for an O-ring chain as soon as you can. Less worries about maintenance. And mine is SO much quieter than the original chain ever was.



Heh... at 170 you have plenty of engine left for bringing the girlfriend along.

 

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I strongly suggest paying a little extra for an O-ring chain as soon as you can. Less worries about maintenance. And mine is SO much quieter than the original chain ever was.



Heh... at 170 you have plenty of engine left for bringing the girlfriend along.


Yeah I was looking around at O-ring chains and they're kind of expensive. Did you get a DID chain? and what length?



I'd need to find a light girlfriend, or one in general haha.
 

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I called up my local dealer, $11 for the 15T, $26 for the rear 50T, and $78 for an EK X-ring chain. They had a little cheaper O-ring chain but it was more of a house brand for $56. So it'll be $110-130 for the whole swap depending on the chain I go with.
 

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I called up my local dealer, $11 for the 15T, $26 for the rear 50T, and $78 for an EK X-ring chain. They had a little cheaper O-ring chain but it was more of a house brand for $56. So it'll be $110-130 for the whole swap depending on the chain I go with.


Yeah, mine was about $120~135 for those three parts. X-ring sounds good, but not sure if it's $22 better.



I got a 130 link & removed 8.

122 with the 15/50 put my snail adjusters on 2. Stock length swing-arm.

So I'm not sure if setting them to 1 would let a 120 link fit.
 

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cool, mine is on the #3 mark right now. I'll probably have the chain set to #2 or #3 on it. The guy recommended the X-ring chain for better longevity since it seals better. it was a lot cheaper than I thought it would be for an X-ring chain. I might order the parts next week if I have the money.



I'm kinda debating on whether I should hold off on getting the sprockets and chain so I can get a trailtech vapor unit since all I have right now is a bicycle speedometer.
 

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Whats on your bike? These come with a 14 / 50 so you must have a different rear sprocket to start, or maybe an off year that they did the 45? I am fairly new to these bikes so I am not 100% familiar with all the factory settings, so I could be wrong.
 

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Whats on your bike? These come with a 14 / 50 so you must have a different rear sprocket to start, or maybe an off year that they did the 45? I am fairly new to these bikes so I am not 100% familiar with all the factory settings, so I could be wrong.


14/50 here in USA. 14/47 in other parts of the world.
 

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All North American TWs came with 14/50 sprockets. If yours is different, someone changed the sprocket. Various other parts of the world saw either 14/50 or 14/45 as OEM. 14/45 was fitted with 120 link chain. 14/50 was fitted with 122 link chain. 122 links will work with 15/50, just slide the axle up a bit.



The OEM chain sucks. Choose a different brand or type of chain.



The stock sprockets are very good quality and reasonably priced. No worry with those.



spudrider posted on the old forum:



http://tw200forum.com/forums/65842/ShowPost.aspx



In the interest of helping other riders, I have compiled the following information regarding the availability of countershaft sprockets for the Yamaha TW200 motorcycle. To the best of my knowledge, countershaft sprockets for the TW200 are available from six different manufacturers. If I have made any errors, or omitted any important information, please do correct me.



PBI is a company located in Oregon. They manufacture the following countershaft sprockets that fit the Yamaha TW200:

12-tooth sprocket, part #50-733-12

13-tooth sprocket, part #50-733-13

14-tooth sprocket, part #50-733-14

15-tooth sprocket, part #50-733-15



I have also seen reports of a 16-tooth sprocket, part #50-733-16. However, this sprocket might not be currently manufactured.



All PBI sprockets should be able to use the Yamaha sprocket bolts and retaining clip without modification.



Parts Unlimited also markets countershaft sprockets for the Yamaha TW200:

13-tooth sprocket, part #K22-2601B

14-tooth sprocket, part # K22-2675

15-tooth sprocket, part # K22-2601C



It has been reported that the Parts Unlimited sprockets require larger bolts, and larger holes must be drilled in the sprocket retaining clip.



JT Sprockets produces one model that fits the TW200:

14-tooth sprocket, part #JTF 1559.14



Sprocket Specialists produces two models that fit the TW200:

14-tooth sprocket, part #566-14

15-tooth sprocket, part #566-15



Be careful to select the correct year of manufacture for your motorcycle when ordering these sprockets. It has been reported by some TW200 owners that these sprockets are a very tight fit on the countershaft.



SunStar Sprockets makes one model that fits the Yamaha TW200:

14-tooth sprocket, part #21314



Finally, Yamaha also markets a sprocket for the TW200:

14-tooth sprocket, part #93823-14149-00



Thank you to all of the previous posters on this forum who have provided me with this information.


Parts Unlimited wholesales the following wheel sprockets:

2210342 REAR SPROCKET YAM 428 42T SUNSTAR SPROCKETS $27.95

JTR184251 SPROCKET, RR 51T JT SPROCKETS $26.95

JTR184254 SPROCKET, RR 54T JT SPROCKETS $29.95

K223602L REAR SPROCKET YAM 428 44T PARTS UNLIMITED $24.95

K223603J REAR SPROCKET YAM 428 50T PARTS UNLIMITED $23.95

K223604H REAR SPROCKET YAM 428 55T PARTS UNLIMITED $26.95

K223695 REAR SPROCKET YAM 428 47T PARTS UNLIMITED $22.95



Virtually every dealer, franchise or independent, I've ever dealt with orders from Parts Unlimited.



Wheel sprockets for the XT125 and XT200 will fit the TW200. The OEM XT125 sprocket is SKU: 15A-25454-10-33 SPROCKET, DRIVEN (54T) YAMAHA BLK. The OEM XT200 sprocket is SKU: 15A-25447-10-00

SPROCKET, DRIVN 47T.
 

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Mine is an '89 and came with a 14/49 setup... I'm switching to 14/47 though.




Edit: After removal and cleaning, mine is determined to be 14/50.

I'm currently in the middle of switching over to 14/47 and and o-ring chain. Sure hope I don't lose too much low end grunt for trail riding...
 
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