Yamaha YBR 125 (YBR125) — Naked Bike
Yamaha Press

2007–2017 · Naked Bike · Buyer's Guide

YBR 125 (YBR125)

3.5 / 5 NastyNils Rating · against its class

The Commuter That Never Breaks

The Machine's Character

The YBR 125 is a motorcycle stripped down to what matters: a 124 cc air-cooled single, a five-speed box, chain drive and a steel double-cradle frame. That is the whole recipe, and it is the point. With 10 hp and 7 lb-ft, it was never meant to impress anyone on paper. Its job is to start every morning, return around 90 mpg and cost almost nothing to keep on the road. Most naked bikes chase more power every year. This Yamaha sits at the humble, honest end of the class, a plain tool for getting around that still carries a bit of the brand's easygoing spirit.

On the road it is light and forgiving. At 273 lb wet with a 31.1 in (790 mm) seat, it feels small in traffic, and its narrow 18-inch tires slip through gaps a bigger bike would never try. Reliability is its strongest suit, and simple servicing keeps ownership cheap for years. It suits new riders, city commuters and anyone who wants honest transport without drama. The caveat is plain. Top speed is 60 mph, so highways are off the menu. On a used example, check the exhaust for rot and the fork stanchions for pitting before you hand over any cash.

Hard Numbers

Spec sheets don't ride bikes, but they set the baseline.

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Key specifications
Power 10 hp (7 kW) @ 7,800 rpm
Torque 7 lb-ft (10 Nm) @ 6,000 rpm
Displacement 124 cc125cc Motorcycles →
Engine Single-cylinderMotorcycles With Single-Cylinder Engines →
Cooling Air-cooled
Gearbox 5-speed
Final drive Chain
Fork Telescopic
Front tire 2.75-18
Rear tire 90/90-18
Wheelbase 51.2 in (1300 mm)
Seat height 31.1 in (790 mm)
Wet weight 273 lb (124 kg)Motorcycles Under 300 Pounds Wet →
Fuel capacity 3.2 gal (12 L)
Top speed 60 mph (97 km/h)
Fuel economy 90 mpg (US)Motorcycles That Get 60 MPG or Better →

Equipment check

Chassis

  • Manually Adjustable Rear Suspension Standard
A winding asphalt road descending through the Appalachian Mountains, likely the famous Tail of the Dragon section in Tennessee and North Carolina. Multiple technical right-hand and left-hand curves are visible in this aerial perspective, surrounded by deciduous forest in spring foliage. Clear sunny conditions, well-maintained asphalt with yellow center lines marking the curves.
Mark Stebnicki / Pexels

The Truth on the Street

Over the years I've heard a lot about the YBR 125. It came up in paddock conversations, in chats with owners at club nights, and in the emails and messages riders send me directly. The picture is consistent. People value how little the bike asks of them and how little it costs, while their complaints are about finish quality, basic brakes and a firm limit on performance.

The bike owners stop worrying about

The thing owners say most often is that it just keeps running. Riders describe covering mile after mile with little more than basic maintenance, and that reputation comes up again and again. Right behind it is the cost of living with one. Owners regularly report better fuel economy than they expected, and many call it one of the cheapest bikes they have ever run. Several also say it is cheap to buy used and costs very little to insure and tax, which is why so many of them describe it as a natural first bike.

Soft and easy on city streets

Riders keep describing how light it feels, whether they are working through traffic or pushing it around by hand in a tight garage. Some owners also mention the suspension. They call it soft with generous travel, and they say it soaks up potholes and gives a plush ride on broken urban pavement.

Where owners feel the budget

The complaints come up less often, but they follow a clear pattern. Riders mention the limited power: top speed runs out of steam, and passing other traffic takes planning. A similar number talk about finish quality, pointing to paint that flakes around the headstock. A few owners report exhaust rot, though they are quick to add that replacement parts are cheap. Braking draws occasional criticism as well. Some riders feel the single front disc with its one-piston caliper, paired with a rear drum, gives only limited stopping power.

Known issues

  • Fuel pump failure (injection models)

    fuel system occasional

    On fuel-injected models, the fuel pump can fail, causing starting difficulties or engine stalling. Often replaced under warranty.

  • Exhaust corrosion

    exhaust occasional

    The exhaust system, including header pipes and silencer, is susceptible to rust and rot, often requiring replacement.

  • Fork chrome pitting and seal leaks

    suspension occasional

    Poor quality chrome on fork stanchions leads to pitting and rust, which can damage oil seals and cause leaks.

  • Headlight bulb prone to blowing

    electrics occasional

    The standard headlight bulb can fail prematurely, especially on bumpy roads. Upgrading to a halogen bulb solves the issue.

  • Paint flaking around headstock

    bodywork occasional

    Paint can crack and flake around the frame headstock welds, exposing bare metal and risking corrosion.

The Expert Benchmark

Where this Yamaha YBR 125 pulls ahead of — or falls behind — its rivals on the numbers, and the typical bike in its class on character.

What kind of bike this is — character vs. the class

This bike Class average

The shape of the Yamaha YBR 125 — numbers and character vs. the average Naked Bike

Head-to-head: Yamaha YBR 125 vs. its rivals

The 'Should I Buy It?' Score

Forget spec-sheet bragging. Here's who the YBR 125 is actually built for.

A scenic view of Angeles Crest Highway winding through rugged Southern California canyon terrain. Rocky mountainsides with golden earth tones frame the asphalt road with tight sweeping curves. Double yellow center line visible, sparse vegetation along the shoulders, clear blue sky with white clouds. Daylight, dry conditions. Iconic location for canyon-road enthusiasts.
Josh Sorenson / Pexels

Best motorcycle for Tail of the Dragon?

As a pure technique tool on tight East Coast bends, it teaches clean lines at sane speeds. With a 60 mph top speed, though, the interstate haul to the Dragon rules it out as your only bike.

Made for Tail of the Dragon · Back of the Dragon · Blue Ridge Parkway

Best motorcycle for Angeles Crest?

Straight talk: 10 hp won't satisfy a rider who lives for canyon pace. See it as a cheap, tough runabout for LA traffic, not the bike you point up the Angeles Crest.

Made for Angeles Crest Highway · Coronado Trail Scenic Byway · Big Sur Coast Highway

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