Yamaha® Apex Installation

Yamaha® Apex Installation
Many snowmobile tunnel extensions can be installed right at home! Our team at Tracks USA aims to be your resource for all things snowmobile tracks, so read below for a breakdown of how to install your Yamaha® Apex extensions. Then, if you have any remaining questions, you can give us a call or visit us in Lake Lillian, MN.

Tunnel Preparation:
1. Remove seat, bumper, snow flap and plastic around exhaust so your sled appears as in photos below:

Attaching Tunnel Extension:
1. You will find numerous pilot holes located around you tunnel extension. These holes all need to be filled with the rivets found in your hardware package. If you do not chose to utilize all the mounting locations, your tunnel extension could loosen or become weak over time and usage.

2. The tunnel extension will telescope over the top of your existing tunnel with the front outside / outer edge of the tunnel extension butting up against the curled lip on your running board. This is shown in pictures below.

Fascia / Seat / Bumper Re-installation:
1. Attach snow flap using four (4) black rivets included in hardware package.

2. Install bumper using holes pre drilled in tunnel extension and hardware found already in bumper.

3. Plastic filler piece that goes between dual exhaust will need to be trimmed along sides as well as on top to accommodate the wider tunnel extension. Make several small cuts so as to not create any large gaps. On 136” tunnel extensions, you will need to make a hole on each side for the new bumper to telescope into. Please view photos below for these steps.
Tracks USA
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