Yamaha YZF-R1 - 2004 Specifications and Reviews
The 2004 Yamaha YZF-R1 is a cutting-edge superbike designed for experienced riders seeking extreme performance and track capability. Its 998cc inline-four engine delivers 180 horsepower with sharp handling and aggressive styling, establishing it as one of the most powerful and technologically advanced sportbikes of its generation. Best known for revolutionary five-valve technology and race-derived engineering, the R1 dominated supersport racing and redefined liter-bike performance standards.
General information | |
| Category | Sport |
| Year | 2004 |
| Model | Yamaha YZF-R1 |
Engine and Transmission Specifications | |
| Transmission typefinal drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Fuel control | DOHC |
| Valves per cylinder | 5 |
| Fuel system | Injection |
| Bore x stroke | 77.0 x 53.6 mm (3.0 x 2.1 inches) |
| Compression | 12.3:1 |
| Torque | 110.10 |
| Power | 180.00 |
| Stroke | 4 |
| Engine type | In-line four |
| Capacity: | 998.00 ccm (60.90 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1,395 mm (54.9 inches) |
| Ground clearance | 135 mm (5.3 inches) |
| Overall width | 720 mm (28.3 inches) |
| Overall length | 2,065 mm (81.3 inches) |
| Overall height | 1,105 mm (43.5 inches) |
| Seat height | 835 mm (32.9 inches) If adjustable, lowest setting. |
| Dry weight | 172.0 kg (379.2 pounds) |
Yamaha YZF-R1 dimensions and frame | |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc |
| Front brakes diameter | 320 mm (12.6 inches) |
| Front brakes | Double disc |
| Rear tyre dimensions | 190/50-ZR17 |
| Front tyre dimensions | 120/70-ZR17 |
| Rear suspension travel | 135 mm (5.3 inches) |
| Rear suspension | Swingarm (Link suspension) |
| Front suspension travel | 120 mm (4.7 inches) |
| Front suspension | Telescopic fork, diameter 43mm |
Speed and acceleration | |
| Power/weight ratio | 1.0465 HP/kg |
Other specs | |
| Color options | Lava red, Mistral grey, Yamaha blue |
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⚠ Safety Recalls (2)
ON CERTAIN MOTORCYCLES, AN IMPROPERLY DESIGNED THROTTLE POSITION SENSOR COULD CAUSE AN INTERMITTENTLY UNSTABLE IDLE WHEN THE ENGINE IS AT IDLING SPEED WHEN THE MOTORCYCLE IS STOPPED OR DURING LOW-SPEED OPERATIONS. THE ENGINE COULD STALL AS A RESULT.
Risk: IF THE ENGINE STALLS AFTER THE OPERATOR DISENGAGES THE CLUTCH IN A LOW GEAR WHILE RIDING, THE REAR TIRE MIGHT SLIP MOMENTARILY IF THE OPERATOR ABRUPTLY RE-ENGAGES THE CLUTCH. THIS COULD RESULT IN A CRASH WITH INJURY OR DEATH.
Remedy: DEALERS WILL REPLACE THE THROTTLE POSITION SENSOR FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 16, 2006. OWNERS MAY CONTACT YAMAHA AT 1-888-88-YAMAHA.
CERTAIN CRG FRONT BRAKE LEVERS, MODEL RB-511 DESIGNED FOR USE ON 2004-2006 YAMAHA YZF-R1 MOTORCYCLES, AND 2005-2006 YAMAHA YZF-R6 MOTORCYCLES. MODEL RB-512 IS DESIGNED FOR USE ON 2003-2006 DUCATI 749 AND 999 MOTORCYCLES, AND ON 2004-2006 APRILIA MILLE R MOTORCYCLES. DUE TO A MISALIGNMENT OF THE PIVOT BORE, THE BRAKE LEVER COULD BECOME SEIZED IN THE BRAKE ENGAGED POSITION, THEREBY PREVENTING THE FRONT BRAKE FROM DISENGAGING.
Risk: A NON-RELEASE CONDITION COULD CAUSE DRAG ON THE FRONT BRAKE SYSTEM, WHICH COULD POSSIBLY RESULT IN A VEHICLE CRASH.
Remedy: CRG WILL NOTIFY OWNERS AND REPLACE THE ROCKER FOR THE FRONT LEVER FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING MAY 2006. OWNERS MAY CONCACT CRG AT 831-763-7811.
Source: NHTSA. View all Yamaha recalls →
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