03R6 Front Sprocket count?

**BlueDevil** · Mon Nov 17th, 2003, 07:53 AM

I am currently running a stock sized front sprocket. I am looking to pick up some alt sizes to use next season. What tooth count is the stock front on this bike? Thanks

D

**Anonymous** · Mon Nov 17th, 2003, 08:12 AM

It should be in your manual. Under specifications, it's the secondary or final drive ration - they give 2 numbers, like 45/15 (just an example) where the smaller number represents the front sprocket tooth count). You can also find this on the Yamaha website. For the 03, stock gearing is actually 48/16.

**NineTwoFour** · Mon Nov 17th, 2003, 08:13 AM

I am pretty sure that stock gearing is 16/48.

**BlueDevil** · Mon Nov 17th, 2003, 08:20 AM

Perfect. Dont have the manual and I knew I could get a fast reply here. Thanks guys.

**Anonymous** · Mon Nov 17th, 2003, 09:14 AM

Originally Posted by BlueDevil

Perfect. Dont have the manual and I knew I could get a fast reply here. Thanks guys.

I thought you had the service manual? It should be in there too.

**BlueDevil** · Mon Nov 17th, 2003, 09:25 AM

Originally Posted by Spiderman

Originally Posted by BlueDevil

Perfect. Dont have the manual and I knew I could get a fast reply here. Thanks guys.

I thought you had the service manual? It should be in there too.

Ahhh ok. Just dont have the owners manual. But yes I do have the Service manual. Didnt think it would have sprocket size in there......

**Anonymous** · Mon Nov 17th, 2003, 11:30 AM

Your service manual has everything and more! I think that book should come with every bike IMO, they are sooo useful to own.

**Ripper** · Sun Nov 23rd, 2003, 11:48 PM

I know this is a bit late but, I'm pretty sure the stock gearing is the same on the new ones as it is on the 99' to 02' models. Here's a handy guide, to help you know what kind of performance changes you'll get befor you buy.

http://www.yzfr6.net/sprocket_speed.php

**BlueDevil** · Mon Nov 24th, 2003, 06:29 AM

Interesting. Thanks for the calculator. Looks like it doesnt change a ton but about 6mph up high (4th Gear)

What are you all using for gear ratios on each track? 600's anyway?

**Ripper** · Mon Nov 24th, 2003, 10:51 AM

I only have one set up,,

16 in front
50 in the back, wearing a 520 X ring

I've only been out to SCR and CDR, but Seems to work well for now, next season, I'll invest in more gearing changes

**BlueDevil** · Mon Nov 24th, 2003, 11:19 AM

Im at 16/51 at this point. (Thats what came on the bike.) Also using a 520 chain.

Thinking of at least getting a few changes in the ole gear box for different tracks.

**Ripper** · Mon Nov 24th, 2003, 03:02 PM

Mine came with a 16/48

Damn winter hasn't even started yet, and I can't wait to get back on the track!!!

**BlueDevil** · Mon Nov 24th, 2003, 03:14 PM

Originally Posted by ripper

:

Damn winter hasn't even started yet, and I can't wait to get back on the track!!!

Me too me too.

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