Get to know Yamaha’s RX Series: From the RX100 to the King Cobra in 2021
Talking about Yamaha, it is impossible to be separated from the legendary history of the RX King. Yes, the RX series, which is known as a fast, agile motorbike, and has a distinctive sound. Maybe you are only familiar with the RX King Cobra. Naturally, because this motorbike is indeed the most phenomenal.
But actually the RX series has evolved many times since it was first launched in 1977. Interestingly, the distinctive design of this motorbike is still felt until its newest generation. Its compact form has become one of its attractions in the history of the RX King.
This is the very first motorcycle in the RX series family. The Yamaha RX100 launched in 1977. The engine was two-stroke with a cubication of only 100 cc, but was able to give off 11.5 hp with a top speed of 110 km / h, which was fairly fast in its time.
Then, what makes this motorbike legendary, even though it has a 2-stroke engine, its fuel consumption is economical. The claim is that one liter can make 40 km. Actually, before the RX100, there was an RX125 Twin that was sold in 1976.
The next generation, the RX125 is a single cylinder, not a twin – as mentioned in the previous point. The forerunner of the Yamaha RX King has a 2 stroke engine with the original 123 cc cubication, which can give off power up to 13 hp. Like the RX100, the Yamaha RX125 is still equipped with 4 speeds.
3. Yamaha RX-K, released in 1980, the forerunner of the RX King!
This is the motorbike that really became the forerunner of the RX-King, that’s because the Yamaha RX-K is already equipped with a 135 cc engine.
Maximum power of 17.5 hp and can be lauched up to 150 km / hour, becoming a motorbike that was included in the speeding category at its time. In the history of the RX King, this Yamaha RX-K is a CBU from Japan, so it has a light mask, aka a bikini fairing.
Unfortunately, this motorbike did not sell well in the market and only lasted until 1983.
The story is similar to the RX-K which became the RX-King, it turns out that the RX-Special is indeed the development of the RX-S. The engine itself is the same as that used in the RX-S which has a cubic of 115 cc.
5. Yamaha RX-King Cobra with Y1-Y2 engine, the legend who was born in 1983
Finally, what has been waiting for, you could say this is the most legendary Yamaha 2-stroke motorbike.
The two-stroke engine is still made by Japan. This is what makes the Yamaha RX-King Cobra engine with the code Y1-Y2 a target for repairmen and collectors. About the engine specifications, 135 cc with a maximum power of 18.2 hp and a torque of 15.1 Nm at 8,000 RPM. Read More!