new sprocket question

[xxmiaja]

so some how my key tryed to spin around in the keyway on my axle and broke the hub where the set screw goes in. i want to order a new sprocket but the ones i see do not have a center to it to tighten down on the axle.i also saw some axle hubs that bolt to the sprocket but they have no set screw what should i order i need the set screw to keep sprocket from sliding side to side

 

[Poboy kartman]

I'm sure someone will point you to the right one....you could also just add a collar on each side to keep it from sliding..

 

[OzFab]

That sprocket should never have been anywhere near a go kart, it wasn't designed for high speed or high torque applications...

What you need is something like this & a sprocket to match it...

 

[xxmiaja]

Are you serious...that sprocket came on the go kart but the engine was a small 6.5 HP my engine now is a predator 420 cc 13 HP engine so I need a stronger hub?

 

[OzFab]

Thanks, you just made my point for me...

Yes, you need a stronger hub; you doubled the torque load so, you need to double the strength of the sprocket hub...

 

[xxmiaja]

OK got it..I really appreciate your help I will start looks ng for something stronger now