JS sprocket

[Mrhyde24]

Where can I find a 3/4inch bore, #40 9T jackshaft sprocket?

 

[DaRussian]

what are your ratios. Does it have to be 9 tooth?

EDIT: can you change your other sprockets?

 

[Mrhyde24]

Im having a heck of a time removing everything anything besides the jackshaft that I already have off. I have a 60T on the axle, Im looking to add low end for the 420cc predator that I am putting in. Already have a 40 series on the way.

 

[DaRussian]

what is your wheel diameter? maybe you can get two different sprockets because im having a heck of a time trying to find your part. Maybe a to tooth would work?

---------- Post added at 07:02 PM ---------- Previous post was at 07:00 PM ----------

this is the closest i found to 9 tooth.
http://www.ebay.com/itm/11T-Tooth-4...ash=item2c72fd0886:g:vfQAAOSwU9xUURRE&vxp=mtr

That puts you at a 5.45 to 1 gear ratio. Is it close enough?

 

[chancer]

I believe 10 tooth is the smallest possible. Due to physics.

 

[mckutzy]

Howabout some pics of your setup...

 

[Mrhyde24]

Well the rear end is all taken apart, no motor, no nothing, the swing arm and is off in its current state. Im shooting to get it back together with proper gearing. Trying to get tires off then work my way to the sprocket. Tire height is 17" and wheel is 8".
Thanks

 

[ezcome-ezgo]

Largest bore size available for a 9T #40 sprocket is 5/8". Physics, h/t Chancer.

 

[Mrhyde24]

How does that ratio sound to you guys? Will I have better low end torque? Will I be burning clutches/belts?

 

[landuse]

If you have a 6:1 ratio with a 40 series TC and 17" tyres, I think you are on the borderline. I would go with this and see how it works out for you. You can adjust things after if you don't like it

 

[Mrhyde24]

What would be my adjustment from this point I wonder