The story of yamaha SPARK 135 a.k.a Jupiter MX 135 LC Tafridefreez’s Blog

4 Июн 2015 | Author: | Комментарии к записи The story of yamaha SPARK 135 a.k.a Jupiter MX 135 LC Tafridefreez’s Blog отключены
Yamaha HV-01

Mr. Kiyotaka Uemura (exterior

Kiyotaka Uemura

One of the biggest factors in whether or not a machine is one that you want for your own is the design. Mr. Kiyotaka Uemura of GK who was in charge of exterior design “Basically, I went after the that looked coolest to He goes on to say, “I would say in specific terms that it is a design with an aggressive

I tried some innovative while also staying the bounds of what a moped is. I to express the excitement and tension of it to the very edge of that

Project Leader Kuromoto with a laugh, Kiyo-san can be a stubborn man, once he a design is good it is hard to his mind. Then he adds: that is probably what a professional designer. Kiyo-san had a lot of information about the preferences in the the T135 was being designed and after that he followed his own instincts. In the end, a good is a universal thing that national borders.”

“It’s not like I won’t anything no matter what. And the is not to push my original design no matter what,” says with a smile. “There are when we have to change the for functional reasons. But working on project was especially easy when I’d sit down to talk out with the engineers we found we all working in basically the same

We often hear of function and spoken of as conflicting factors in design, but Uemura insists is not necessarily the case. “In places function takes precedence, it can be an appealing element if it is well says Uemura. “I believe if you are really attentive to the overall and all the details, the design as a whole and the I want to say through it will not be if function is allowed to take over design in a few places.”

Mr. Toshimasa Miyabe (chassis

Toshimasa Miyabe

Traditionally, we call “Yamaha Handling” is handling stability that it easy for anyone to enjoy with full assurance and the kind of handling that faithfully to the will of the rider. of course the T135 is part of tradition. So the T135 had a lot to live up to in the of chassis design and lot of effort into building a chassis for model that met Yamaha’s standards.

The adoption of liquid meant that the layout had to resulting components like the and this was a first for a Yamaha What’s more, it had to be done compromising the “Yamaha Handling.” set the bar very high for Mr. Toshimasa chassis design project working on the T135.

“In order to a frame that gets a level of rigidity while all the various functions a frame the easiest thing is to make it and rugged,” says Mr. Miyabe. if you are a Yamaha frame designer, you to build the lightest, slimmest you can. Personally, I have a strong inclination to make as light as possible.”A light is one of the essential elements of a light-handling

That’s why the passion for lightness is in the of every Yamaha engineer.

It was on the project that Mr. Miyabe was the position of Project Chief for the time. There were a lot of decisions for him to make, like the position and the shape of the frame.

And were some high to clear in areas like weight and production cost. was also the tough final to be cleared on the test track. that seemed to work in computer simulations were down by Kamimura and his test

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In the early stages of the project was especially true.

“Sometimes the demands from the team seemed almost to satisfy,” recalls Miyabe. we never wanted to say something be done. It is tough demands ignite the passion of a design to tackle problems that at seem impossible.”

Mr. Tatsuya (engine design)


The power unit mounted on the is a completely new liquid-cooled 4-… single-cylinder engine. It is the first engine ever mounted on a moped. Tatsuya Masuda, who the engine design project says, “We wanted an engine would run strongly at high rpm in the and be easy to use in slower mid- to range riding in the city.” He on to say, “We also wanted it to be an that ran quietly and was very

And to do this we spent an especially amount of time and energy out that most important for determining the character of an engine: its x ….” The T135 adopts a cooling system and an array of technologies like Yamaha’s cylinder and forged piston. But it was bore x … that much of Masuda’s efforts. It was this spec that he to give the engine a truly character.

“If you get this basic spec you can do a lot of things later to fine-tune the says Mr. Masuda. It was around of last year after a of road tests in Thailand Masuda was finally convinced had the right bore x … Project Leader Kuromoto back on that time: I saw Masuda in the hotel lobby those test were there were tears in his

He had gone to Thailand with the himself to see how close it was to the image he had working toward and I guess he was pleased. That’s how difficult the he had been given with the engine was: to get both to mid-speed ease of use and good at high speeds.”

“I was confident that I had chosen the spec,” says Masuda, I guess I still had some going into the tests, and it until the results were in I was 100% sure we had the right engine to build on. ”Laughing, he on to say, “It was such a relief I just couldn’t hold the tears. Crying like was something I didn’t even do my first child was born.”

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