Are you looking for untimate stopping power for your Kawasaki KX85, KX100 or KX112 Minimoto?  Here is the MadLabs Radial Mount Big Brake Kit.
 
Fits: 2001 and newer KX85, KX100 and KX112
 
This kit comes with the following parts:
Aluminum front rotor spacers,
Aluminum 90mm radial caliper mount, 
250mm solid front rotor,
All mounting hardware. 
 
*The caliper mounting holes on fork leg needs to be tapped with 10x1.25mm thread size.  And the back side also needs to be grinded for clearance with rotor bolts.
**The inner face of RC390 caliper needs to me modified so that it will clear from the rim!! (Shown in pictures)
 
For 90mm caliper we recommand KTM RC390 front caliper (Part# 90113015000) which you can purchase used from ebay.  Minor modification on caliper is needed in order to clear from the wheel.  
 
**Please note that this kit only fits 73 Moto Parts 12" minimoto mag wheels.  It will not fit spoke wheels of any sizes.