Mutt Razorback 125


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Mutt Razorback 125

There’s a new dog in town… and it’s a vicious bugger Mutt Razorback 125.

Say hello (but don’t get too close) to the Mutt Razorback 125 – the latest offering from the crazed minds of the guys in the Mutt Lab.

Mutt Motorcycles has delivered another thump on the nose to the Motorcycle industry by releasing our snarling Razorback onto the city streets.

Featuring a brand new mono shock frame designed in-house at Mutt, the Mutt Razorback 125 casts a different shadow on our fat bikes. Like all our bikes, this new frame has custom and classic roots. No ugly pressed aluminium – just a good solid tubular frame with a beautifully simple rear loop.

Wide Open Space

Look directly underneath that rear loop, and you will see a whole lot of… nothing – diddly squat. We wanted to keep the area underneath the seat as clean and open as possible, and we’ve achieved it by locating all the electrics and batteries in a neat little package below the seat and adding a narrow aluminium swingarm, which leaves that beautiful wide open space above the back wheel. Oh, and the wheels are of course aluminium rims with stainless spoke. Another nod to our custom bike building history.

Get The Skinny

As with all our 125’s the Razorback is powered by our super-solid four-stroke black number and a Delphi fuel injection system, fed by our custom skinny tank. Oh, the tank? Yep, that’s another new item specific to the Razorback. Have you ever tried to mount an old 70’s tank to your one-off custom build? You have? Then you’ll be familiar with welding on new tabs, removing dents, blowing holes through the tank with your trusty TIG welder and all the other aggro that comes with fitting vintage parts to bikes. Trust us – we’ve done a bunch of them.

With that in mind for a production bike, for the Razorback we designed our own tank, taking influences from the many vintage tanks we have fitted over the last 20 years. We took styling cues from several vintage bikes, but it is all Mutt and has that one-off custom vibe you’ll never get from any other production bikes.

I Can See For Miles

Moving up front, we have our low-rise Mutt Handlebars and a black contoured slimline seat. The Razorback is a tall bike, and with a seat height of 88cm, it gives the rider a great upright riding position and the ability to have a clear view above traffic. It’s an absolute blast to ride – chucking this little fella into corners will bring induce a bug-faced grin to any fizzog.

Inverted forks held by wide yokes help soak up the bumps on the potholed city streets and country tracks, and another 18” aluminium rim with stainless spokes sits up front shod with fat rubber in the Mutt way. The Razorback is finished off with a full stainless steel exhaust system with a fat stubby silencer, and an aluminium bash plate.

Everything else is what you would expect on a Mutt Motorcycle; a smooth 5-speed transmission; rider-friendly controls; mini custom speedometer; stainless steel fasteners throughout; combined braking with braided hoses. It also comes with bags of attitude as standard.

Additional information



Razorback 125

License needed





Gloss Red, Matt Black, Matt Silver


Shepherds Bush

Tyre Size Front

120/80 – 18

Tyre Size Rear

120/80 – 18

Seat height

890 mm

Fuel Tank Capacity

Engine type

Single Cylinder 4-stroke


5 Speed Manual

Engine power

12 hp

Engine size


Displacement CC

125 cc

Engine starter


Ulez compliant



2 year warranty and 1 year breakdown cover

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