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The model change for the biggest displacement air-cooled naked model marketed in Japan Release of the new Yamaha "XJR1300"

Oct. 10, 2006

On November 30, 2006, Yamaha Motor Co., Ltd. (YMC) will release on the Japanese market a new model change of the Yamaha "XJR1300," the biggest displacement air-cooled naked (no cowling) model marketed in Japan, powered by an air-cooled 4-stroke, DOHC, in-line-4 engine that adopts a fuel injection (FI) system for the first time along with other changes.
With the key words "a deeper and wider Sporty models" for this model change, new technologies are adopted in all parts of the machine, from the engine to component changes in the chassis. The main features are optimization of the intake system in order to increase torque primarily in the low- and mid-speed ranges, adoption of a fuel injection system which contributes to great response and environmental friendliness, adoption of a 4-into-2-into-1 type exhaust pipe, adoption of a deluxe-model Ohlins rear suspension (specialized settings), etc. The combined effect of these changes gives the new XJR1300 an even sportier ride in a wide range of the use conditions.

Yamaha "XJR1300"


Yamaha "XJR1300"

Release date:

Nov. 30, 2006


Dark Purplish Blue Metallic L (blue)
Dark Gray Metallic B (gunmetal gray)

Projected sales:

1,000 units (annual, domestic)

Main changes and benefits

1) 10% increase in max. torque with adoption of fuel injection
To achieve outstanding drivability an FI (fuel injection) system is adopted. The intake valve operating characteristics were also optimized and the combined effect of these changes have produced a roughly 10% increase in max. torque, from the existing 98 N•m to 108 N•m, while reducing the rpm at which max. torque is achieved from 6,500 rpm to 6,000 rpm to give this model a stronger torque character over a broader range from low speeds on up. (*Figures for lead-free premium gasoline specification)

2) 4-2-1 exhaust pipe and 3-way catalytic converter with oxygen sensor feedback
A 4-into-2-into-1 exhaust pipe with a fresh new shape has been adopted in order to bring out excellent torque characteristics. Furthermore, it is outfitted with a 3-way catalytic converter (a device that simultaneously oxidizes and breaks down CO, HC and NOx in the exhaust), and in order to help the catalyzer function more effectively, an oxygen sensor is used to detect the level of oxygen remaining in the exhaust and constantly feed back that information to enable appropriate adjustment of fuel supply to achieve both outstanding power output and environment-friendly performance (clears Japan's emissions regulation for 2007).

3) Deluxe Ohlins rear suspension with special settings
A rear suspension built by Swedish maker Ohlins is adopted. This specialized unit is based on Ohlins' deluxe model* twin-shock suspension and has been given special settings in order to bring out a more linear, direct handling feeling. (*As of Oct. 2006)

4) Other changes
Other changes include (1) new settings for the front suspension, (2) the front and rear radial tires with special specifications, (3) a new-design sheet, (4) new-design side covers, (5) new handlebar position, (6) LED taillights with a fresh look and (7) quality-look internal illumination for the meter panel, etc.

Yamaha "XJR1300" Technical Specifications

Overall length x width x height 2,175mm x 765mm x 1,115mm
Seat height 795mm
Wheelbase 1,500mm
Dry weight 222kg
Engine type Air-cooled, 4-stroke, DOHC, 4-valve
Cylinder arrangement In-line 4-cylinder
Displacement 1,250cc
Bore x Stroke 79.0mm x 63.8mm
Compression ratio 9.7 : 1
Maximum power 74kW (100PS) / 8,000r/min
Maximum torque 108N•m (11.0kgf•m) / 6,000r/min
Starting system Electric
Fuel tank capacity 21 liters
Fuel supply system Electronic fuel injection
Tire size (Front / Rear) 120/70ZR-17M/C 58W / 180/55ZR-17M/C 73W

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