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Welcome to the forum!

I don't know the part number, but, why do you need it? Can't you just order a 13T JT sprocket?

Have you removed the old front sprocket yet? It can be quite challenging.
 

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+1 front sprocket removal is the worst stuck nut I've ever had the displeasure of undoing.

Says you're USA, I buy my sprockets from sprocket center. They've mixed up my orders once or twice but they are helpful. I just get a kit with front, rear, and chain all together.

JT steel sprockets are very well respected and good products. My steel JT sprockets last 20,000mi+ on the 300. You won't be disappointed.

But yeah if I was you, I would buy a new front sprocket nut just in case you have to dremel it off like I did. Previous owner had a sketch mechanic impact it on, and the parts were practically welded together...

-Mike
 

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Discussion Starter · #4 ·
Welcome to the forum!

I don't know the part number, but, why do you need it? Can't you just order a 13T JT sprocket?

Have you removed the old front sprocket yet? It can be quite challenging.
I have not, First time messing with gearing, and I found the JT sprockets for it for 14 tooth but can't find the 13tooth, it obviously can't just be any 13T, right?
 

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Discussion Starter · #5 ·
+1 front sprocket removal is the worst stuck nut I've ever had the displeasure of undoing.

Says you're USA, I buy my sprockets from sprocket center. They've mixed up my orders once or twice but they are helpful. I just get a kit with front, rear, and chain all together.

JT steel sprockets are very well respected and good products. My steel JT sprockets last 20,000mi+ on the 300. You won't be disappointed.

But yeah if I was you, I would buy a new front sprocket nut just in case you have to dremel it off like I did. Previous owner had a sketch mechanic impact it on, and the parts were practically welded together...

-Mike
Thanks for the advice! I will have to check out sprocket center and will definitely be investing in that nut!
 

· Super Moderator
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I have not, First time messing with gearing, and I found the JT sprockets for it for 14 tooth but can't find the 13tooth, it obviously can't just be any 13T, right?
Several brands make sprockets for the N300. First decide if you want steel or aluminum (aluminum is lighter but wears much faster), then make sure the sprocket is made for the N300 and it'll be fine.
 

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@StoneStone

You also have to consider the chain 'type' that you have. Stock chain is 520, but the previous owner may have changed it for something lighter.

Bottom line is: if you're changing the whole thing, which is both sprockets and the chain, then you don't care what you currently have. Just figure out if you want the 520 stock type or a different type and get all three components on that type.
But if you're going to get only the front sprocket, then you have to know what type of chain and sprockets you have now, because the new one has to be of the same type.

Do a search on 'motorcycle chain types' and learn about the different types.
 
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