This is the electric motor inside your servo that actuates your 4wd/2wd/diff locker. When the servo goes out on these bikes, it's more than likely the small electric motor. Simply pull the servo off the front differential, open it up and you will see the small motor inside. I pulled the complete diff out in the instructions due to having to change a seal but you can do this with it still in the bike.
If you have a skid plate on you will have to remove it to access the bottom bolt on the servo. I also recommend having the bike in 2wd to ease in installing the servo back on the diff.
Remove the 3 bolts that hold the servo on the diff. Gear oil is going to pour out unless you drain it first.
Soory last pic 5
Once removed installation is the opposite. Just be sure not to turn anything inside the casing once you open it. The small worm gear on the motor doesn't matter just don't turn anything else.
Install back on the bike fill with gear oil and enjoy your 4wd and the money you saved.
pic 1
pic 2
Once the servo is removed from the diff. Remove the six T-25 tamper resistant tq screws that hold the servo together.
Once you get the screws out, carefully pry the servo apart taking extra care not to turn the gears inside.
Once apart it will look like this.
pic 3
You can see the two screws that hold the little motor in.
pic 4
Remove those two screws and carefully pry up on the motor and remove it and the small gear attached to the end of it.
Picture of the motor removed.
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