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Speed Full Automatic
Speed Full Automatic
Should you feel the automatic transmission in a 150cc scooter shift?


I recently bought a 150cc scooter for my girlfriend, but it is getting no speed (about 30mph on flat paved road full throttle, and she is a small girl) I have noticed that there is no feeling of shifting, nor any pause in throttle as if it is changing gears. I am curious if this is normal for such a small engine/auto tranny combo, or if there is a possibility that the transmission is just not shifting.

If it was used there is a possibility that there are a couple of problems in the CVT. 1. the rear pulley has gotten locked into place and doesn't move to shift, or 2. The rollers in the front pulley have gotten flat spotted. 3. Worn belt...
Truthfully if it is a used scooter I would say buy another rear pulley assembly and a new set of rollers for the front pulley, along with a new belt preferably kevelar belt... The CVT isn't that hard to work with, it just takes an air wrench and taking some time to keep the parts clean. Also get you some graphite and slightly lube the new rollers with it by applying it to the each roller in your fingers, then you can do the sleeve or boss the same way, also applying some to the brass bushing inside the front pulley...
The rear assembly is a little tricky to disassemble, and really the only parts sold for it is the clutch and the tension spring that shifts the rear pulley. What tends to wear the most in the rear pulley is the pulley half slides back and forth to shift. The rear pulley half is put together with sliders, it has 3 grooves machined out in the wall of the pulley housing. Those 3 grooves are kept in place by pins, it slides inward and outwards via these 3 pins. Under acceleration the pulley grooves put much tension on the 3 pins and they start to wear an ever so slight notch out in the grooves. Thus when you try to take off or get to a shifting point, the rear pulley starts getting locked into one position in your gear range. It is like trying to ride a 10 speed with the shifter cable broken.
There is no way to fix this problem with the rear pulley. If you machined the grooves, you would have to have bigger pins, and also the pins bend slightly under torque also so there would be the second problem...
Here is a link that will help, the basics are the same, your rollers maylook differant though. If you have any other questions email me, I have worked on many of scooters. http://www.flexistentialist.org/blog/archives/2003/10/27/cvt-basics-constant-variable-transmissions



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Understanding the Mechanics of Speed Reading

The human mind is an extraordinarily force that we only use a very small portion of.  In this book, "Speed Reading in only One Hour" I will demonstrate how to tap some of that unused power and use it for your own success in high school, college, and life.

Your brain can understand from 10,000 to 50,000 bits of data per minute; one bit equates to one word. Although this information comes from old statistics (1980's),. based on recently developed speed reading technology, and strides in various types of learning technology, you can achieve phenomenal reading speeds.

The average high school graduate, when tested, reads about 250 words per minute. The college student reads at about 300 words per minute. But, no matter what your beginning reading speed, don't worry, it is only the beginning. Imagine what an advantage you will have to be able to read over 100% faster than you had before; the possibilities are limitless.

We receive information through our five physical senses, (touching, tasting, hearing, smelling, and seeing) and through those senses we make decisions. We make choices and judgments from various factors that the physical senses bring into play. The five physical senses (sight, smell, hearing, taste, touch) are preprogrammed for automatic response.

We learn in many way, not only from physical senses, but through other forms of thought. Most thinking is conscious in nature.  Senses, on the other hand, work automatically. An example of an automatic response might be: when a hungry teenager smells pizza, he or she begins salivating. Or was that Pavlov's dog? Actually, it's the same! What's taking place is that the sense of smell (called olfactory senses) has automatically brought up a thought, "PIZZA", to the brain and mind. The thought may be unconscious.

Sensing food is a physical expression of your sense smell and possibly taste. It is a mental sensation (unconsciously or consciously) through your thought processes. And finally, there seems to be a physical sensation by eating, swallowing, and smiling. To summarize the PIZZA concept here: Mind is where the "action" is -- and your body is where your "reaction" is.

Your brain and the mind has awesome untapped potential; I'll teach you how to tap into that potential by using the course Speed Reading in One Hour, available at speedread.org . I'll show you how you can be a total success in your college life and beyond.

About the Author

Dr. Jay Polmar, is the founder of Speedread.org, and Speedread America. He's outspoken and a powerful advocate for freedoms, freedom of speech, freedom of love, freedom of rights. He's written 40 books at www.speedread.org, www.speedreadcomplete.com, and for other writers since 1977.

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