Yamaha Raptor 125 Full System Installation Instructions

Removal

1. Loosen the Stock Clamp that holds the Stock Silencer and Head Pipe together.

2. Loosen the Silencer Mounting Bolts.

3. Brace the back of the Silencer with one hand and take the bolts the rest of the way out.

4. Pull back and twist until the Silencer is removed.

5. Loosen the Bolts on the Header Port.  Once loosened, suuport the Silencer with one hand.  Remove the Bolts and the Head Pipe.

Installation

1. Be sure the Gasket is placed flush into the Exhaust.(See Figure #1)

2. Slip the HMF Head Pipe into the Exhaust Port while aligning the Flange with the Bolt Holes. 

3. Slide the T-Bolt Clamp over the end of the HMF Silencer and then slide the Silencer onto the Head Pipe.  Some pushing and twisting may be necessary.

4. Mount the Silencer with the Stock Bolts or the supplied hardware and tighten.

Note:  For the Silencer Mounting Bracket, use the Front Grab Bar Mounting Bolt Hole instead of the Original Silencer Mounting Bolt Hole.(See Figure #2)

5. Tighten the Header Bolts onto the Flange and T-Bolt Clamp to secure the Silencer to the Head Pipe.