10.FINAL REDUCTION/ TRANSMISSION SYSTEM ATV 300/250 Bolts TRANSMISSION CASE COVER REMOVAL Drain transmission gear oil into a clean container. (Refer to the "TRANSMISSION OIL REPLACEMENT" section in the chapter 3) Remove the three and then remove the drive sprocket cover. Drive Sprocket Cover Bolts Remove the two bolts and then remove the washer and drive sprocket. Drive Sprocket Select Arm Remove the bolt and then disconnect the drive shift arm from the shift shaft. Bolt Remove the transmission case cover attaching bolts. Bolts 10-3