The XJS 600 Diversion was Yamaha’s entry-level roadster that many youngsters loved. Easy, cheap, uncomplicated, a little tight in power but ready for all services without fuss, this handyman was not lacking in hard work and did it without ever complaining. But the anti-pollution standards, the fashion, the seniority, brought him to slowly die out at the beginning of the 21st century, digging a void in the Yamaha range, that the Fazer, more technical and of the higher range, could not. fill.
But the good surprise has arrived. 2009 sees the birth of a new small road in 600 cm3: the XJ6 Diversion. And as good news never comes on its own, this basic bike is lined with a naked version, ideal for driving schools and young drivers..
Like their aïonly, these two versions are technically extremely close. The main and almost unique difference between the two versions is the diversion’s fork crown. Angular without being sharp, it gives a little sporty side, and above all a judicious protection. The road accessible to everyone, and especially to young people, that’s his thing.
With all the technology that modern sports cars are throwing at us, we would have almost forgotten the simple solutions. Not the XJ6 Diversion. Like her grandmother XJS, she adopts a more tranquil design than technological showcases. Here, no variable intake, perimeter Deltabox, traction control, radial brake calipers or MotoGP type inverted fork…. No, here, we use what it takes to drive, not to strike the pendulum, and if this 600 does not have the chassis of a hypersport (radical and unliveable on the open road), it enjoys a higher price. accessible than the Fazer (very close to that of its competitors) and with a much higher road capacity.
Arsouiller? The XJ6 Diversion will appreciate moderately. The pleasure of riding? She smiles again. The technical solutions implemented here confirm this trend. The bike uses a classic tubular diamond-type steel frame, less expensive than an aluminum perimeter like that of the FZ6. These 31.8mm diameter tubes are 2.3mm thick create a simple frame that almost completely disappears under the cabinet. The exhaust is also very discreet, hiding under the engine and behind the boot. The wheelbase, like the hunting angle, reveals wise and reassuring values. A new fork, new aluminum rims and a new swingarm are part of the game. The latter does not look like much, but that’s not what we ask him.
The brake discs are slightly thinner than those of the FZ6. They are associated with conventional 2-piston calipers, optionally coupled with ABS (+ 400 euros).
Ah, I see some pouting in the background…. Are you bothering about the normal 41mm fork? Doesn’t that throw enough? You prefer a reverse like on a 600 GSX-R, with a sharp chassis…. Yeah, but that’s not the philosophy of the machine; and the gex costs 4,000 euros more.
For the engine, there is no question of using the XJS as a fire, an antique air-cooled engine. The new Diversion uses a modern, clean and compact 4-cylinder. Coming from the FZ6, and originally derived from the R6, this boiler is somewhat modified and suitable for versatile and available use. Engine response, torque, and mapping are optimized for low and mid-range, those most commonly used on this type of machine. Let’s hope that this new moulbif has more character than the old 600 8 valve air cooled, supple and nice but without relief. Cylinder head, camshafts, injection, clutch and gearbox selection are reviewed. Enough to make it a more than friendly urban machine, hoping that it will make us forget the harsh gear passages of the old XJ 600.
The XJ had disappeared…. and is reborn under an equivocal name. Same philosophy but more modern, more enticing, it comes at the right time to sinter with the new Kawasaki ER-6f, Suzuki Bandit 650 and the recently renewed Honda CBF 600.
The main engine characteristics:
• Liquid-cooled 600cc inline four-cylinder four-valve ACT twin
• Redesigned intake and exhaust
• New high compression cylinder head
• Narrower intake ducts
• Redesigned cam profile
• High torque at low and medium speeds
• One-piece cylinder and upper housing
• Bore x stroke 65.5 mm x 44.5 mm
• Forged aluminum pistons
• Multi-jet injector system
• 4-2-1 exhaust with central silencer located under the frame
• 3-way catalytic converter and lambda sensor on the exhaust
• New clutch
• Redesigned selection mechanism
• New diamond-type frame made of steel tubes
• Optimized lateral stiffness
• 1440 mm wheelbase
• Protective half fairing
• 26-degree caster angle and 103.5mm caster increase maneuverability
• Slim and compact hexagonal fuel tank
• New compact swingarm
• 41mm diameter conventional fork
• Monocross rear suspension
• 298mm front discs and 245mm diameter rear disc, 4.5mm thick.
• 120/70-ZR17 front tire and 160/60-ZR17 rear tire
• Low resistance 520 chain (530 for the FZ6)
• New cast aluminum rims
• New timeless style emphasizing the refocusing of the masses
• Linear actuated ABS available as an option
• New dashboard
• Adjustable handlebar position
What you must remember
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XJ6 600 Diversion 2010
Model marketed in
about 200 km / h
The technical aspect
Yamaha XJ6 600 Diversion 2011
- Tank: 17.3 liters
- Width: 770 mm
- Height: 1210 mm
- Wheelbase: 1440 mm
- Operating weight: 211 / with ABS 216 kg
- Train before
- Secondary chain transmission
- Rear axle
(65.5 x 44.5 mm)
at 10,000 rpm
at 8,500 rpm