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Honda CBR 125R

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Make Model

Honda CBR 125R

Year

2005

Engine

Four stroke single cylinder, SOHC, 2 valve.

Capacity

124.7 cc / 7.6 cu-in
Bore x Stroke 58 x 47.2 mm
Cooling System Liquid cooled
Compression Ratio 11.0:1
Lubrication Wet sump
Engine Oil Semi-Synthetic, 10W/30

Induction

28mm VK-type carburetor

Ignition 

Capacitor Discharge (CDI)
Spark Plug NGK, CR8E
Starting Electric

Max Power

13.6 hp / 10 kW @ 10000 rpm

Max Torque

10.6 Nm / 1.08 kg-m @ 8250 rpm
Clutch Wet, multiple discs, cable operated

Transmission 

6 Speed 
Final Drive Chain
Frame Steel, Double cradle frame

Front Suspension

31mm telescopic fork,
Front Wheel Travel 109 mm / 4.2 in

Rear Suspension

Monoshock damper,
Rear Wheel Travel 120 mm / 4.7 in

Front Brakes

Single 276mm disc 2 piston caliper

Rear Brakes

Single 220mm disc 1 piston caliper

Front Tyre

80/80 –17

Rear Tyre

100/80 –17
Rake 25°
Trail 88 mm / 3.4 in
Dimensions Length 1920 mm / 75.5 in
Width 675 mm / 26.5 in
Height 1070 mm / 42.2 in
Wheelbase 1294 mm / 50.9 in
Seat Height 776 mm / 30.6 in
Ground Clearance 172 mm / 6.8 in

Dry Weight

115 kg / 253.5 lbs
Wet Weight 127 kg / 280.0 lbs

Fuel Capacity 

10 Litres / 2.6 gal

Standing ¼ Mile  

19.9 sec

Top Speed

112.7 km/h / 70 mph
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It may not be the most popular capacity class in USA, but a 125 has a lot to offer someone who wants something that is sharp and light, as Guy Allen discovered...

Make no mistake about it, the CBR125R may look the goods, but it is tiny - which will be terrific news for anyone who wants a bike that is sharp, well-mannered, but super light and easy to handle.

It looks and feels about two-thirds of the size of a CBR600RR - itself no giant - and is considerably slimmer than any 250 we've ridden.

The basic package has been around in Europe for a few years and is well proven - in fact it was Honda's top-selling model in Britain in 2005, thanks to licensing laws which encourage people to start off on something small.

In this country, the introduction of LAMs-style laws which allow people to learn on 650s in several states (with Vic joining in soon), the 125 doesn't make quite as much sense, unless you really want something that's unbelievably light and easy to handle.

At the centre of the machine is a 125cc, two-valve, four-stroke single, that's liquid-cooled and changed over from carburettor to fuel injection for this model year. We don't have a power figure, but its predecessor made a modest 10kW and I wouldn't expect this version to be making a great deal more.

Honda has gone for a relatively straight-forward chassis: twin-spar steel frame, with 31mm convention forks up front and a direct (no link) monoshock on the rear. Braking is a single disc at both ends, with a two-piston caliper working the front and a single on the rear.

Tyre sizes are super-skinny by current standards: 80mm up front and 100 on the rear. That means the replacement cost should be very modest.

On the road the machine is a doddle to ride. Starting is instant, with no choke required, and it quickly settles into a smooth idle. A little warm-up time can pay off, as it needs a few revs to get going. We generally found it needed about 3000 to get rolling adequately, but more like 5000 if you wanted to make a quick get-away. It revs to 11,000 (with max power around 10,000), so there's plenty to work with.

Performance is actually quite lively, though it's far from being a superbike. A two-stroke equivalent, like the Cagiva Mito, would hose it on top end, but this is an easier bike to ride.

The clutch and gearbox package is good, providing easy and slick shifting, even on this very low mile (@300km when we picked it up) example. Gearing ratios mean that it's a toss-up whether you hold sixth or use fifth gear on the freeway - the slightest headwind or slope will soon see you changing back as top speed is in the vicinity of 110km/h -- perhaps a little more in ideal conditions, with a small rider.

Handling, as you might expect, is light and sharp. It's pretty hard to mess up a package that's this light. The suspension is adequate rather than spectacular, providing a decent ride and quite good feedback to the rider. A bumpy road can eventually overwhelm the damping, but we reckon it's fine for what you pay.

The level of grip offered by the tyres is good, but has its limits and you get warning when they start to struggle. In the meantime there's enough of everything there to play boy racers.

Finish is quite good - particularly for the price - and there's space under the pillion pad for small items like a wetsuit of U-lock. Honda also offers a modest range of accessories.

We ended up liking this bike a lot, to the point where spouse Ms M would take it out for a run across the city, rather than the 600 sports or 650 naked test bikes we had in the shed at the same time.

I certainly wouldn't be looking to travel on the thing (though anything's possible...;), but as a runabout with a bit of sporting ability - particularly for someone who wants a compact machine -- it's well worth a look. At the moment, you can get one for $4000 plus ORC, which seems pretty good.

Review

You're seventeen, you're into bikes, you need wheels, you feel the need - the need for speed.

Well I'm sorry to have to tell you that as far as speed is concerned you're pretty much out of luck. The vehicle licensing laws of the good ol' GB & NI mean that until you pass your Category A Standard Motorcycle Test (click here for more details), you're going to be restricted to 125cc and a maximum power output of 14.6bhp, which isn't exactly going to lay black lines on the tarmac. But as you're still going to be restricted to 33bhp for another two years after you pass your test, a lot of us hang on to our 125's until the door opens to unlimited motorcycling - assuming you can afford the insurance!

So if speed and outright performance isn't an option that's for sale, then you might as well go for style and cool looks.

click for a larger imageFor what seems like an eternity, and probably is, the Honda CG125 has been the mainstay of the Bike Training Schools, and while it's acquired a reputation of being able to handle just about anything a novice rider can throw at it and still come back for more, there aren't too many people out there who'd describe it as a cool good looker that's oozing street cred! If that was your bag and you still wanted the Honda badge on the tank, then the obvious solution was the 2-stroke NSR125, at least up until the end of 2003 it was. However, growing environmental concerns, the implementation of the Euro 1 regulations and not least that fact that just about everyone knew how to de-restrict them, meant that its days were numbered. Just like MotoGP, the 2-stroke was dead and it was time for a 4-stroke replacement. Enter the CBR125R for 2004.

Using the same styling cues as its larger CBR600 and 1000 brothers, the diminutive 125R provides all the looks of a sportsbike but at a much reduced rate of acceleration. You could say it's a sheep in wolf's clothing - and you wouldn't be far wrong. However, it's not all show and no-go, and although the CBR125R is never going to get you surfing on a wave of adrenaline, it does have a reasonable performance for its size, and anyone getting on to two wheels for the first time or moving up from the twist-n-go fraternity, isn't going to be intimidated by either the size or the power delivery of the CBR125R. Although the suspension seems a little on the soft side when you first get onto the seat, it does a very good job of keeping the tyres in contact with the road surface and telling you what they're doing, without pummelling your backside into submission or diving you over the bars when you get nifty with the brakes.



click for a larger imageThere's no suspension adjustment anywhere, front or rear, and I'll be the first to admit that I weigh a little more than the average 17-year old. In spite of this, the ride was good and there was plenty of travel and damping left to soak up the worst that Berkshire's roads could throw at it. And don't be fooled by those tyres that look as though they've been borrowed from a racing bicycle. They have a surprising good level of grip available for you to use, and they aren't going to cost a fortune to replace when you finally wear them down to the canvas. However, they do have a tendency to "tramline" over road irregularities and surface joints, which is probably down to their narrow section. The brakes, while not in the same league as bigger sportsbikes, are more than good enough for the weight and performance of the bike. They don't grab and are smooth and progressive, although you'll need to use both front and rear to get the best stopping distances.

With only 13bhp to propel you along the tarmac, the single-cylinder engine needs to be revved good and hard if you want to make any sort of reasonable progress. Things seem to improve a bit once you get past 7,000 rpm, but with peak power only 3,000 rpm later there's not a big rev range for you to play with. On the plus side, the balancer shaft does a good job of damping the vibes, so your fingers and feet won't go numb and the mirrors give a good clear view at all speeds.

click for a larger imageOn the practical side, there's a reasonable pillion seat with low(ish) pegs and a good big rear grabrail, so two-up travel shouldn't be a problem, although it's not going to do much for the already limited performance. Unlock the pillion seat and there's a small cubbyhole below for the toolkit and handbook, with room for a disc lock or small U-lock. Four bungee points are also provided. The fairing and the lowish screen give some wind and weather protection, although as it didn't rain for the week in August when I had the bike (most unusual), I can't guarantee that the plastic will help to keep you dry. However, it did get dark at the end of each day and I was able to check that the twin-bulb headlamp setup gives a good spread of light on dipped beam and good penetration on main beam.

The cockpit and dials are "old-school analogue" with the large speedo and rev-counter flanked by smaller gauges for fuel and coolant temperature, all with easy to read markings. There's a total miles odometer, but no trip, and lights for main beam, neutral and turn indicators. The knob for the choke is mounted on the top yoke and easy to get at, although it wasn't needed at all during the test, even on the first start of the day. The engine stalled if it was used, but the slow-running was too slow if it wasn't. This meant a little twiddling of the throttle grip for the first couple of minutes until the engine warmed up, but could probably be fixed with a little bit of adjustment.

click for a larger imageWhen I picked up the CBR125R from Honda for this test, I'd spent the previous week hooning around riding sedately on the latest model Fireblade. With over an order of magnitude less power available from the 125, there was a need for a significant and rapid change in riding styles. Forward planning became oh so important, and what had previously been a simple two-second overtaking manoeuvre, now assumed the importance of the D-Day Invasion or Operation Desert Storm! I started to look for White Vans doing 70mph, because they could give me that all important slipstream and allow me to sit at the legal limit even when the motorway ascended a 1 in 300 gradient!

But at the end of the day, whatever I thought of the bike, the CBR125R is not targetted at jaded old journalists who are used to riding super-hyper-mega- sportsbikes. This is a bike that Honda want to sell to the 17-20 year olds, so to find out if Honda have got it right, we really need their input on the matter. Now it so happens that I have a 20-year old student daughter with a full bike licence at home from University, so who better for a second opinion. One quick trip around the block and "Dad - can I have one?" is probably the kind of thing that Honda wants to hear, although with only a student loan for support she's not likely to be in the frame for a purchase just yet.

With a price tag the same as a 125cc scooter, over £1,000 cheaper than the majority of the opposition and with a lower insurance rating, the CBR125R is very competively priced in the market place. Add to that the Honda reputation for engineering and build quality, and they might just have a winner here. Only time will tell.

Source
Motorbikes Today