13. REAR WHEEL/SWING ARM/ HYDRAULIC BRAKE Mongoose/KXR 90/50 REAR AXLE REMOVAL Remove the rear wheel hub of the both rear wheels. (See page 13-5). Remove the collars on the rear axle right and left side. Collars Drive Chain Relax the drive chain. (Refer to the "DRIVE CHAIN SLACK ADJUSTMENT" section in chapter 3.) Remove driven sprocket. Driven Sprocket Remove the rear axle from right side. Bolts Rear Axle Bolts Remove the two bolts and caliper and then remove brake disk. Brake Disk Caliper 13-6