Honda CBR900RR
From Wikipedia, the free encyclopedia
| Honda CBR900RR | |
| Manufacturer | Honda |
|---|---|
| Also called | Fireblade |
| Production | 1992-2003 |
| Successor | CBR1000RR |
| Class | super bike |
| Related | Honda CBR600RR Honda CBR1000RR Honda CB900F |
| Similar | Suzuki GSXR1000 Yamaha YZF-R1 Kawasaki Ninja ZX-10R Ducati 916 |
The Honda CBR900RR is a large displacement sport bike introduced in 1992 by Honda as the first of the Honda Fireblade models. It was designed by Tadeo Baba.
Contents |
[edit] History
[edit] CBR900RR
The CBR900RR was introduced in 1993 and was fitted with an 893 cc (54.5 cu in) inline-4 engine. When introduced, it set a precedent for light weight in the super bike class. At 453 lb (205 kg) with a full tank of gas, the CBR900RR was just 4 lb (1.8 kg) pounds heavier than Honda's own CBR600F2, and 76 lb (34 kg) lighter than the next-lightest open-class machine at the time, the Yamaha FZR1000. Minor changes to the '94 model included an improved shift drum to cure notchy shifting, and steadier mirrors.
In a move to refine the CBR900RR's handling traits over bumpy pavement, the 1995 model's suspension was upgraded with revised spring and damping rates, and a compression adjuster was added to the front fork. More aggressive bodywork incorporated a "cut reflector" design headlight and fewer of the CBR's unique fairing holes. Slimmer and firmer footpegs were patterned after the RC45 and a shift linkage replaced the original model's backward pedal. A new instrument panel included an electronic speedometer that measured speed from the countershaft sprocket. The only engine change in 1995 was the replacement of the aluminum valve cover with a magnesium piece.
[edit] CBR918RR
1996 brought the first major changes to the CBR900RR. In order to achieve a more optimized balance of rigidity, Honda significantly altered the 1996 CBR's chassis and suspension. The frame and swingarm were fabricated from larger, thinner-walled extrusions for reduced torsional rigidity. The fork and shock internals were re-designed, and the swingarm pivot raised by 5 mm (0.20 in). Revised ergonomics brought the bars 10 mm (0.39 in) higher and swept back five degrees more than earlier models, along with a slimmer gas tank. Engine updates included a bump in displacement to 918 cc (56.0 cu in) via a 1 mm (0.039 in) bore increase, slightly higher compression, a curved radiator, larger muffler, extra clutch plates, smaller alternator, and the addition of a throttle position sensor. With the revised motorcycle came a revised name of CBR918RR. The 1996 model carried over to 1997 unchanged except for the updates to color/graphics offerings.
In 1998, Honda continued subtle refinements in the CBR918RR's chassis. It saw frame stiffness closer to the original model's, revised suspension internals, and 5 mm (0.20 in) less triple clamp offset (an almost universal aftermarket upgrade to previous models). New brake calipers acted on larger front discs, the fairing was re-shaped and raised footpegs subtly changed ergonomics again. Eighty percent of the engine's internals were all-new to reduce weight and minimize friction; other updates included redesigned combustion chambers and porting, aluminum composite cylinders, new pistons, a smaller and lighter clutch pack, revised gearbox ratios, larger radiator, and a new stainless steel exhaust header.
[edit] CBR929RR
A major revision for the open-class Honda resulted in the CBR929RR, aimed squarely at the Yamaha YZF-R1. A completely new 929 cc (56.7 cu in) engine incorporated fuel injection, more oversquare cylinder dimensions, larger valves set at a narrower included angle, lighter internals, and an all-titanium, HTEV-equipped exhaust system. The "pivotless" chassis had the swingarm mounted to the engine cases but incorporated a brace underneath the engine. Updated suspension and brakes included an inverted front fork and huge 330 mm (13 in) front discs; and the 16 in (410 mm) front wheel was replaced for a more common 17 in (430 mm) wheel.
[edit] CBR954RR
In 2002, engine capacity increased to 954 cc (58.2 cu in) which resulted in the CBR954 name. Larger injectors and radiator, re-mapped electronic fuel injection, and a more powerful computer were also added. The bodywork and fairings were reworked for a sleeker, more aerodynamic feel. The frame was strengthened and a more rigid swingarm added and the riding position/pegs were raised to allow for greater lean angles. Dry weight reduced to 168 kg (370 lb).
The CBR954RR would be replaced by an all new CBR1000RR in 2004.
[edit] Specifications
All specifications are manufacturer claimed unless specified.
| 1993-94 | 1995 | 1996-97 | 1998-99 | 2000-01 | 2002-03 | |
|---|---|---|---|---|---|---|
| Model | CBR900RR | CBR900RR | CBR918RR | CBR918RR | CBR929RR | CBR954RR |
| Engine displacement | 893 cc (54.5 cu in) | 893 cc (54.5 cu in) | 918 cc (56.0 cu in) | 918 cc (56.0 cu in) | 929 cc (56.7 cu in) | 954 cc (58.2 cu in) |
| Engine type | inline-4 | |||||
| Stroke | 4 | |||||
| Compression | 11.5:1 | |||||
| Bore x stroke | 75.0 mm (2.95 in) x 54.0 mm (2.13 in) | |||||
| Fuel control | EFI DOHC | |||||
| Cooling system | liquid | |||||
| Gearbox | 6-speed | |||||
| Final drive | chain | |||||
| Dry weight | 369.9 lb (167.8 kg) | |||||
| Seat height | 815 mm (32.1 in) | |||||
| Wheelbase | 1,400 mm (55 in) | |||||
| Front suspension travel | 120 mm (4.7 in) | |||||
| Rear suspension travel | 135 mm (5.3 in) | |||||
| Front tire | 120/70-ZR17 | |||||
| Rear tire | 190/50-ZR17 | |||||
| Front brakes | Dual disc, 330 mm (13 in) | |||||
| Rear brakes | Single disc, 220 mm (8.7 in) | |||||
| Fuel capacity | 21 L (5.5 US gal) with 4 L (1.1 US gal) reserve | |||||
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|---|---|---|---|---|---|---|---|---|---|---|
| Type | 2000s | |||||||||
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| Standard | CB600F/Hornet/599 | |||||||||
| CB900F/Hornet/919 | CB1000R | |||||||||
| Sport | NSR125 | CBR125R | ||||||||
| CBR600F4 | CBR600F4i | |||||||||
| CBR600RR | ||||||||||
| CBR929RR | CBR954RR | CBR1000RR | ||||||||
| RC51 | ||||||||||
| VTR1000F | ||||||||||
| CBR1100XX (North American sales ended 2003) | ||||||||||
| VFR800 Interceptor | ||||||||||
