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Peak Zed for the shed

(by Guy 'Guido' Allen, September 2023)


Kawasaki
              ZX-12R

Some while back we mentioned laying our scone-grabbers on a shiny one-owner Kawasaki ZX-12R, filling out the rocketship end of the shed that already contained a Honda Blackbird and modified Suzuki Hayabusa.

Now, a few months down the track, we have had a chance to play with it and have a few things to report

Kawasaki ZX-12R

It seems like decades ago, rather than just a few months, that we confessed to handing over some cash for a one-owner year 2000 ZX-12R, bought over the phone from the outskirts of Brisbane. And I'm 1800km (1100 miles) away in Melbourne. The solution was obvious: Ride it home – something that's turned into a bit of a habit over recent years.

While I have nothing against using a professional motorcycle transporter (and often do for various jobs), the whole buy-fly-ride experience adds a welcome dimension. Sure, there's an element of risk to this as it's rare for a used motorcycle to be completely fault-free. Looked at another way, dealing with the issues is part of the experience and fun.

Kawasaki
              ZX-12R

In this case, there was nothing that actually stopped progress, but there was reason to treat the bike with a little mechanical sympathy. The owner, who had bought the machine new and had by now racked up 62,000km on it, admitted the front brakes tended to bind a little when cold. That's really not something you want to hear at the start of a three-day trip.

Also, the front sprocket was grinding something fierce on take-off but settled down once you were rolling. It was worn, but still (just) servicable and I took a punt on it getting me home.

Kawasaki ZX-12R

So guess what happened when I got back to sunny Melbourne? A rebuild with fresh seals and pistons, plus we replaced the front brake master cylinder piston and seals, as that too was suspect thanks to a spongy lever.

Just as an aside, the six-piston Nissin front calipers were a popular fitment for a time, also gracing the front of the Kawasaki ZRX1200R we owned a little while back, plus of course the first-generation Hayabusa.

kawasaki
              zx-12r

Next, the chain and sprockets were given the flick along with the ageing tyres. Plus we changed the Muzzy aftermarket muffler for the huge but pristine original, complete with its 'Titanium' stamping on the outer skin.

Kawasaki
              ZX-12R

Those issues aside, the big Zed was a surprisingly good thing to travel on, helped considerably by the fact it's running subtle risers for the handlebars, adding a couple of centimetres (a little under an inch) to the height. It's just enough to avoid any clearance problems with the fairing but make a significant difference to the rider.

kawasaki zx-12r

With the brakes, driveline and tyres now more or less up to speed, it was time to have a bit of a play with the Zed. This was Kawasaki's king hit in the performance sector back in model year 2000, taking on the Suzuki's Hayabusa with a higher power output claim but hobbled slightly by the industry-agreed 299km/h top speed restriction. There was a fair bit of drama associated with its launch, which you can read about in our backgrounder on the model.

kawasaki
              zx-12r

I recall riding a demo when they were new and remember it being spectacularly fast though it took a little time to get comfortable with it – I seem to recall its manners as a little more edgy than the Hayabusa or Honda Blackbird and just that little bit closer to the sporty end of the scale.

kawasaki zx-12r

Now? It's comprehensively outgunned by any of a number of current sports bikes when it comes to handling, finesse and on-board electronic rider aids, but remains a formidably fast piece of kit. Weirdly, it's very easy to ride as Captain Docile. However the temptation to cut it loose is strong once you let the prodigious engine get into its mid-range stride. Keep in mind we're talking of a powerplant that claimed 189hp (141kW) at full noise.

The powerplant is cold-blooded and appreciates plenty of warm-up time, while the transmission is pretty slick. With 62,000km on the clock when I bought it and a reasonable service record, the engine and transmission feel and act like they've just been been run in.

Steering is light for a heavy motorcycle (around 230kg rolling) and the overall handling is pretty good with full suspension adjustment offered at both ends.

Kawasaki ZX-12R

Something striking about the Zedex is the unusual monocoque frame which means some things aren't where you expect them to be. For example what looks like the fuel tank is a dummy cover and the fuel itself sits more rearward and partly under the rider seat. Oh, and the battery is hidden in a pull-out tray under the frame – something we discovered through necessity.

kawasaki zx-12r

Now for a confession, we changed over the battery and were utterly mystified when we couldn't restart the machine. The engine turned over but combustion was absent. What the hell? Our example is running an aftermarket Power Commander tuning ECU, hidden under the pillion seat and we had forgotten to reattach it's ground lead to the battery. That was a dumb mistake and a reminder to pay more attention when pulling apart even the simplest of things!

Getting to the battery is unusually fiddly, while access for spark plugs and shims is about the same as for the Blackbird and Hayabusa. They're all very ordinary and take a lot of patience.

hayabusa blackbird zx-12r ninja

Of course the whole idea of getting this model was to round out the hero turn-of-the-millennium sports tourer end of the shed. That is: Honda CBR1100XX Super Blackbird, Suzuki GSX1300R Hayabusa and of course the Kawasaki ZX-12R Ninja.

kawasaki zx-12r

Is there a pick between them? In this case the situation is somewhat muddied by the fact the Hayabusa is running a Phil Tainton engine, with something over 220hp (164kW), so we're not comparing standard motorcycles.

The Blackbird is the most 'civilised' of the three – smooth, ultra-capable and nicely finished. It's your pick as distance mount. As for the other two, they both have more inbuilt mongrel and I'd be torn between the two if by some quirk of fate we were transported back to when they were both new.

kawasaki zx-12r

In any case, owning the Zedex all these years (decades!) down the track has given me a new regard for the model. Buying one has proved to be a good decision.

kawasaki zx-12r
 

See our Kawasaki ZX-12R profile
Honda Blackbird profile
Suzuki Hayabusa Gen 1 profile
Plus the Blackbird in the shed
And the Hayabusa in the shed

kawasaki zx-12r

More features here

See the bikes in our shed

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