Boosted Board 1st Generation Pulley Bearings Replacement

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Introduction

Good bearings are essential for smooth ride. This guide will help you take out and replace the pulley bearings on the rear wheels of your Boosted Board. You can choose to replace the bearings with new ones, or just clean the existing bearings.

What you need

Step 1 Rear Wheels

Boosted Board 1st Generation Pulley Bearings Replacement, Rear Wheels: step 1, image 1 of 2

Boosted Board 1st Generation Pulley Bearings Replacement, Rear Wheels: step 1, image 2 of 2

Loosen the two 16.74 mm motor mount hex nut screws with a 9/64" Allen wrench.
Do Not Remove the Screws.

Step 2

Compress the motor mount back towards the wheel.
While keeping the motor mount compressed, tighten one of the hex nuts that you loosened in the previous step.
The motor mounts are spring tensioned so it is necessary compress them to loosen the belts.

Step 3

Remove the axel nut with a 1/2" socket wrench

Step 4

Boosted Board 1st Generation Pulley Bearings Replacement: step 4, image 3 of 3

Rotate and pull counterclockwise until the wheel comes off the axle completely.
The front washer will come off with the wheel.
Remove the back washer from the axle.
Replacing the wheel requires the bearings to be switched into the new wheel.

Step 5 Pulley Bearings

Boosted Board 1st Generation Pulley Bearings Replacement, Pulley Bearings: step 5, image 1 of 2

Boosted Board 1st Generation Pulley Bearings Replacement, Pulley Bearings: step 5, image 2 of 2

Use one finger to pull out the pulley bearing.
A good technique is to go around in a circle and lift from underneath the bearing in a carving motion.

Step 6

Boosted Board 1st Generation Pulley Bearings Replacement: step 6, image 3 of 3

Place the new pulley bearing inside the gear hole and use two fingers to push down evenly until it slides into place.
The bearing should be flush with the gear