15 Tooth Front Sprocket

FerociousNINJA · September 13th, 2010, 06:38 PM

Can someone confirm this?

Quote:

http://www.2fiddy.com/2008/04/15-tooth-front-sprocket/
It has been confirmed that the front sprockets for the previous and next generation Ninja 250r’s are the same.

Is this a good deal for $16.
http://tinyurl.com/2w9tqsg

dubojr1 · September 13th, 2010, 06:49 PM

Deal... Maybe not. Dennis Kirk sales them all the time for $15.99. Looks like the right sprocket though. I've bought two with no issues.

http://www.denniskirk.com/jsp/produc...&skuId=8098515

FerociousNINJA · September 13th, 2010, 06:52 PM

Thanks for the feedback. These are Dennis Kirk sprockets. Do I need to change the chain or adjust it?

Alex · September 13th, 2010, 10:56 PM

I thought that they were slightly different but would still work? Something to do with shimming that would be necessary to get them completely inline if you used an old-gen one on a new-gen? Or am I misremembering?

More links here.

CZroe · September 14th, 2010, 04:02 AM

Quote:

Originally Posted by Alex

I thought that they were slightly different but would still work? Something to do with shimming that would be necessary to get them completely inline if you used an old-gen one on a new-gen? Or am I misremembering?

More links here.

You remember correctly, but most parts suppliers just list it as a fitting replacement and many people have simply thrown it on there like it was and ridden w/o issues.

That said, it was pretty hard to get the right JT Sprocket just because all the dealers had the old one in their computers for this bike.

FerociousNINJA · September 14th, 2010, 05:21 AM

Quote:

Originally Posted by FerociousNINJA

........ Do I need to change the chain or adjust it?

http://www.kawiforums.com/1193878-post46.html

Quote:

Originally Posted by rockjunkie

Update, I just installed the 15 tooth front sprocket. Getting the nut off was a major PITA, had to put a 2x4 between the wheel and the swingarm and use a breaker bar with a two foot extension to break it loose. But once that was done, swapping the gear was easy. In fact, setting the chain tension took longer than the sprocket change.

I haven't taken in on the freeway yet but in town riding is much more pleasant as I'm not shifting as much, which was my primary reason for the sprocket change. In my opinion, factory gearing is WAY too low for this bike. I may change the rear sprocket as well later.

Thanks for the info from the original poster.

Adjust chain.

Also found more info on that sprocket:
15 tooth frt sprocket
http://www.kawiforums.com/ninja-250r...-sprocket.html

September 13th, 2010, 06:49 PM	#2
dubojr1 ninjette.org certified postwhore Name: Jason Location: Jacksonville, Florida Join Date: May 2010 Motorcycle(s): 09 Ninja 250R SE, 07 Honda CRF230F, 06 Honda CRF150F Posts: A lot.	Deal... Maybe not. Dennis Kirk sales them all the time for $15.99. Looks like the right sprocket though. I've bought two with no issues. http://www.denniskirk.com/jsp/produc...&skuId=8098515 __________________________________________________ 09 250R SE: Paying it forward one post at a time! Don't forget to add yourself to our Member Map

September 13th, 2010, 10:56 PM	#4
Alex ninjette.org dude Name: 1 guess :-) Location: SF Bay Area Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much. Blog Entries: 7	I thought that they were slightly different but would still work? Something to do with shimming that would be necessary to get them completely inline if you used an old-gen one on a new-gen? Or am I misremembering? More links here. __________________________________________________ Montgomery Street Motorcycle Club / cal24.com / crf250l.org / ninjette.org ninjette.org Terms of Service Shopping for motorcycle parts or equipment? Come here first. The friendliest Ninja 250R/300/400 forum on the internet! (especially Unregistered)

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September 13th, 2010, 06:52 PM	#3
FerociousNINJA ninjette.org member Name: Dave Location: DFW, US Join Date: Mar 2010 Motorcycle(s): 2008 Ninja TwoFiddy Posts: 160	Thanks for the feedback. These are Dennis Kirk sprockets. Do I need to change the chain or adjust it?