Help Me Understand 30T Front Sprocket Change
Road Master
Joined: Apr 2010
Posts: 862
Likes: 1
From: N Dak
I went with the 49 tooth. I will be installing tomorrow. I hope it gets me where I want to be. I didn't want to get rid of the comp so the front sprocket is not an option. Recal with the Tmax and I should be good to go. I think the 49 is right where a guys wants to be. If you take the comp out and do the 30 tooth I think that might be a little to much. Just my opinion
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Road Captain
Joined: Nov 2009
Posts: 535
Likes: 3
From: Texas
I went with the 49 tooth. I will be installing tomorrow. I hope it gets me where I want to be. I didn't want to get rid of the comp so the front sprocket is not an option. Recal with the Tmax and I should be good to go. I think the 49 is right where a guys wants to be. If you take the comp out and do the 30 tooth I think that might be a little to much. Just my opinion
Road Warrior
Joined: Jun 2007
Posts: 1,788
Likes: 4
From: Here
I'm on the fence on which to do since there seems to be a huge difference in RPM between the 30T engine sprocket and the 49T Ring Gear.
How do these two compare to the 30T Belt pulley as far as performance? Is the 49T ring gear more comparable to the belt pulley and the 30T engine sprocket a step above them both?
This all has really crushed my hopes of a 45$ pulley change lol
How do these two compare to the 30T Belt pulley as far as performance? Is the 49T ring gear more comparable to the belt pulley and the 30T engine sprocket a step above them both?
This all has really crushed my hopes of a 45$ pulley change lol
BTW, if you can ever get a mod done for $45 be sure and let me know.... lol
Road Master
Joined: Apr 2010
Posts: 862
Likes: 1
From: N Dak
I will keep you all posted. I plan to take some pictures as well if the drilling of the basket so everyone can see what it involved. Pretty simple fix with the Tmax, Randy sent me a calculator they use to determine the new number that needs plugged in to make it work. Pretty cut and dry. I am going to do the comp at the same time so the whole deal shouldn't take very long I am hoping.
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Road Captain
Joined: Nov 2009
Posts: 535
Likes: 3
From: Texas
Yeah, the 49T turns a few more RPM than the 30T belt pulley. Baker says 2830 RPM at 75MPH, and I'm turning a little closer to 3000 at 75. The 30T engine sprocket would be slightly higher than that. In fact, Evo lists the 30T to be 3250 at 70. Might be a little much unless I was used to riding a 5 speed.
BTW, if you can ever get a mod done for $45 be sure and let me know.... lol
BTW, if you can ever get a mod done for $45 be sure and let me know.... lol
And man I thought I had the 45$ in the bag till all my research showed that changing the belt is hit and miss
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