Last Updated on September 16, 2022
When did Yamaha start fuel injection? It’s a question that has been on many people’s minds for years. If you have one of Yamaha’s scooters, you may be wondering when the company decided to introduce this technology. There are many reasons for this, and they all start with the YZF-R1 model. Read on to find out more. Then you’ll be able to enjoy a more powerful scooter!
YZF-R1
The Yamaha YZF-R1 has a two-in-one design. Its twin engine delivers low-rpm torque with the high-rpm raw power of an inline four, and Yamaha claims it is the most powerful production motorcycle ever. This motorcycle is not a superbike, however, and the fuel economy will vary based on road conditions, rider maintenance, and the weight of the operator/passenger.
The Yamaha YZF-R1 features a Chip Controlled Intake (CCI) system, which actively controls the length of the intake system based on engine speed. As a result, the power curve is broad. Fuel injection helps reduce emissions and improve performance. Yamaha YZF-R1 fuel injection is a powerful system, with a lightweight Electronic Control Unit (ECU) using a 32-bit processor.
The second-generation motor offers smooth torque delivery and linear 45-degree power curve, taming the bike’s wild nature. This new Yamaha motorcycle has no flat spots, and it pulls hard from 3,000 rpm to peak horsepower. The new R1 is more palatable, too. Yamaha claims it increases power from the bottom to the top. While the first-gen motorcycle was a flop, the new version has much improved handling.
The redesigned chassis and the updated engine make the R1 more comfortable to ride. The fuel tank’s rear angle and leg recesses were redesigned for a more relaxed rider position. The seat was also moved closer to the rear of the tank, increasing stability and reducing body fatigue. The restyled windscreen also improves rider protection. Its top-end power output of 127.8 hp (95 kW) remains at the rear wheel.
The updated YZF-R1 is a more refined version of the classic R1. The new YZF-R1 uses a four-piston radial front caliper with high-friction pads and a fully integrated ABS unit. The updated bodywork creates a sleeker, aerodynamic profile. The updated YZF-R1 also offers a bigger fuel tank.
The Yamaha YZF-R1 fuel injector was similar to a carburetor in function and operation. The CV carburetor slide was controlled by engine vacuum and improved power output compared to the previous model. In addition to improved performance, the new cylinder sleeves and frame also reduced oil consumption. Its new Deltabox frame design also improved the frame’s rigidity by 30% and improved the cooling system.
The engine in the Yamaha R1 is the most advanced in its class, with 182 PS at 12,500 rpm and 115.5 Nm at 10,000 rpm. This technologically advanced powerplant has the ultimate feel and is combined with a new Deltabox chassis that offers ideal rigidity balance. This new engine is the smoothest, most refined engine in the world. It has a unique growl.
The R1 features a D-Mode throttle control system, allowing riders to choose between different maps to suit their riding needs. Standard Mode focuses on linear throttle response and A mode offers a sportier engine response at low-to-mid-rpm. B mode dials down the power response for situations requiring softer power characteristics. The switch gears for these maps are located on the RHS of the switch gear.
The R1 is designed for the Ultimate Cornering Master. Its chassis and ability to put power to the ground determine the overall handling. When the rider wants to turn the throttle, it delivers power at the flick of the wrist. The result is a feeling of being directly connected to the rear wheel. So, if you’re a motorcycle fan, you’ll love the Yamaha R1.
YZF-R7
In 1999, Yamaha started using fuel injection in its high-performance race-focused YZF-R7. The technology was also used on other big displacement models, such as the FJR1300. Yamaha aimed to produce a strong combination of performance and environmental friendliness with this system. But how does fuel injection work? We’ll take a look at a few of the benefits.
The R7’s one-piece crankcase/cylinder design was similar to Honda’s CBR600s and FireBlades, but was entirely new for Yamaha. It used forged pistons and H-section Titanium conrods. It also used fuel injection for the first time. It was also an incredible bike, but its debut year was marred by some mishaps. Yamaha engineers accidentally disabled the secondary injectors in an effort to save weight.
The YZF-R7 was designed for one purpose: to win World Superbike races. While Noriyuki Haga came close to claiming the title in 2000, he failed a drug test during pre-season training and finished second. The next year, Yamaha’s World Superbike team disbanded and the R7 challenge was over. It’s not surprising that the R7’s popularity faded as the company turned to other areas of the motorcycle industry to increase their market share.
The R7 had a reputation for spectacular engine failures, but despite only selling 500 units to the public, it has an impressive history. Nori Haga nearly won the WSB title on an R7, but was docked points for using cough syrup. Despite these problems, a significant portion of the R7s were destroyed by Nitro Nori. After the disaster, many race teams abandoned them.
The YZF-R7 features a CP2 engine with a lightweight frame and well-balanced rigidity. It also features an inverted 41 mm front fork and model-specific rear suspension. Its asymmetrically-linked single-shock provides a balance between ride comfort and supersport performance. While this model is made for touring, it’s also ideal for trackdays.
A test ride on the YZF-R7 has been made by the TFL team. TFL is a team of highly informative motorcyclists who take Yamaha motorcycles for a spin. Alex shares his experience of the new bike’s design and how it performs on the track. The TFL team’s video is an impressive presentation of the model. If you’re thinking about purchasing a Yamaha bike, it’s a good idea to watch this video. You’ll get a better understanding of its benefits and drawbacks.
The YZF-R7 uses high-performance radial tires. The YZF-R7’s tires are Bridgestone BATTLAX HYPERSPORT S22 Es with “Z” ratings. The YZF-R7’s dual 4-pot Brembo calipers bite on the 298 mm front discs. The Yamaha YZF-R7 was Yamaha’s first model to incorporate fuel injection and ABS.
The YZF-R7 is Yamaha’s slimmest superbike and has the highest rider/machine integration of any in the YZF family. Its front fender is vented, while its uprights have a foil shape to shunt the wind outboard. The engine cowl has an M-shaped air intake duct, which capitalizes on pressurized air for increased efficiency.
About The Author
Gauthier Daniau is a freelance problem solver. He first discovered his knack for trouble-shooting when he was still in diapers - and hasn't looked back since. When he's not slaying zombies or internet ninjas, GAUTHIER enjoys working with animals of all shapes and sizes. He's also something of a social media expert and loves to get lost in numbers and figures.