36 tooth sprocket

If it wasn't a stock sprocket all of my aftermarket have been aluminum and I beat on them for a good while. I mostly street ride and street race thoo. I dont think you will have a problem since they are aluminum alloy anyway so there a bit harder than just regular aluminum.
 
I broke 4 teeth off of an aluminum Vortex 46t, and 8 teeth off of a Vortex aluminum 'Hard Coat' 46t...the stronger one.
Both on my gen2, and I am ham-fisted as a wheelie guy, Busa weight and torque ate those teeth.
With 4 teeth gone, I never felt it, but noticed it looking over the bike.
With 8 teeth gone, in the right spot, there was a noticeable slip quick or jerk.
I knew what it was before I looked.
But, none of this made riding unsafe, and as said, I was hard on the throttle to break the teeth in the first place.
The chain was adjusted properly and in no danger of jumping off, the axle would have to come loose first.
For an LSR guy as you are, and since you're not leaving the line like a quarter mile racer(hard, like bringing wheelies up high), there is no reason you should break aluminum sprocket teeth, even with turbo power.
You'll loose a few grams of unsprung weight with the aluminum, and a few more with 4 less teeth/smaller diameter overall, plus the extra speed the gear allows for.
I would run an aluminum rear sprocket without a second thought.
Their only drawbacks is longevity, for someone like me who rides them hard.
 
Get that chain as tight as you can then hit the Dragstrip, you'll be surprised at the slack at the hit. I've torn up a Vortex too on the B King. Been running the same 630 chain and Sprocket Specialist 46 T aluminum on the GS for almost 20 years and still looks new.

Here in Texas they like to Seed the roads so you pickup a lot of gravel and have broken a few steel teeth too.
 
The only real bad thing about a chain that's too tight(aside from premature wear), is that it limits rear shock travel.
So real bad for street riding, and the balance has to be just right not to effect the drag launch squat at the track.
Front suspension effects the rear and vice versa. Both have effect on the launch.
Just another variable to account for.
 
Definitely overthinking it. First sub 6 sec bike. Uses Vortex for well over 700hp. You’ll be fine.

3763A686-D496-446A-9938-6C19F2FFCCDE.png
 
RacingJake said:
I still think a chain or leg guard would be a good idea.
Click to expand...

The weight loss guys will never willingly go for adding anything.
I would like to see just how much the chain moves up and down, above and below the swingarm, in slow motion.
The chain's range of motion will increase the size of a guard, which would be big enough at that length.
A guard of that size would need titanium or some type of kevlar or cf type material, for high strength and low weight.
It would also need strong mounts to try to overcome the weight and rpm of a broken chain...no small task at those hp, speed, and acceleration levels.
The cost of something like this would be very high as result, along with the guard possibly becoming a projectile.
I get what you're saying too, I wouldn't want the chain coming off of that bike at any speed, or any bike for that matter.
I just don't think there is a practical, affordable, or dependable way to safely guard a chain at that level and application.
 
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