Why is the Yamaha R1 sound different?
Honda’s flat-type crankshaft gives an exhaust sound that is Suzuki GSX-R-like; it makes that ripping-bedsheet sound so many of us find thrilling. The crossplane that Yamaha is using on its R1—and which Suzuki has adapted on its MotoGP bike—adds a second, deeper sound, which also has charm.
What engine is in a Yamaha R1?
998cc
2020 Yamaha YZF-R1 Specifications
| ENGINE | |
|---|---|
| Engine | 998cc, liquid-cooled inline 4 cylinder DOHC; 16 valves |
| Power | 198 hp |
| Bore x Stroke | 79.0mm x 50.9mm |
| Compression Ratio | 13.0:1 |
How fast can a R1 go?
Yamaha YZF-R1 Acceleration Review
| 15-19 Yamaha YZF-R1 Acceleration | |
|---|---|
| Speed | Time |
| SS/KM | 17.91/183 mph |
| SS/Mile | 25.11/188 mph |
| Top Speed | 191 mph |
What does a crossplane crankshaft do?
The crossplane or cross-plane is a crankshaft design for piston engines with a 90° angle (phase in crank rotation) between the crank throws. The crossplane crankshaft is the most popular configuration used in V8 road cars.
Is the 2004 Yamaha R1 a good bike?
The 2004 Yamaha R1 has lush paintwork, beautiful alloy cycle parts and is very well put together. Apart from the odd clutch niggle (it has a tall first gear) the Yamaha R1 has an excellent reputation for long life and can do seriously high miles, not that many owners care to rack them up.
What kind of clutch does a Yamaha R1 have?
The Yamaha R1 SP version has a slipper clutch and another 3bhp if you really, really need it. The 2004 Yamaha R1 has lush paintwork, beautiful alloy cycle parts and is very well put together.
What’s the power to weight ratio of a Yamaha R1?
The 2004 R1 was the first motorcycle to claim a 1:1 power to weight ratio. By tilting the cylinders forwards 40°, Yamaha also found room to run a new frame over the top of the motor, creating a straight line from the headstock to the swingarm pivot point for a 200% increase in rigidity.
When did the Yamaha R1 engine get changed?
A major change came in 2009, when the engine was changed for a crossplane crank design to create more grunt lower down the range. This version also got a new chassis and styling and had detail changes including six-stage traction control in 2012.