So I don't have this so called sence. How do I know when to change gear by using the speedometer?

I need someone to tell me exaclty when to switch from the first to second , and the third and fourth and so on

I need to know the exact speed on the speedometer to switch. And don't tell me to do it when the motor starts to make a loud sound cuz it always is.So I don't have this so called sence. How do I know when to change gear by using the speedometer?
What is redline on your bike? you can shift at any point when the motor will not bog shake or quit. Honestly if you are asking the question you really need to think of an alternate form of transportation%26gt; just because you can keep a bike up right does not mean you should ride there are so many things that you must be aware of at all times. knowing the sound and feel should be a natural thing If you need to look at the spedometer to shift I would park the bike!So I don't have this so called sence. How do I know when to change gear by using the speedometer?
My manual told me... I have a Buell Blast and you are suppose to shift at 15mph, 25, 35,45.

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you can't tell by the speedometer,

but rather the tachometer......

the rpm meter.....
1st to second = about 4 to 6 mph

2nd to 3rd = about 25 to 30

3rd to 4th = about 35 to 40

etc...
It's not the speedometer, it's the engine RPM gauge. I can't tell you exacly what level to change gears at because I learned how to drive a stich by feel.
There is no safe answer to your question. What is the right speed one time isn't going to be right another.



You will just have to learn to hear the motor and gauge from sound and the feel of the bike when to change gear - sorry this isn't the answer you want.



Perhaps - not a motorbike but a car? Then you can have an automatic and your problem is gone.
I should say what really needs to be said here, but I will be nice. There is NO WAY to tell going by the speedometer. I drive a Drag car, and it is so loud, and the helmet keeps me from hearing anything but loud noise. The only answer to this is; buy a Tachometer before you blow the engine and find yourself dead. If you blow the engine and it catches on fire, and you wreck, then what? You can get a tach with a shift light on it, and your problem will be solved. I hope this helps. Good Luck!!!

Part 2.

We know its a motorcycle! You aren't listening to what everyone is telling you. GET A TACH! and you won't have the problem anymore. This is the only way you can know when to shift if you can't hear the motor. You can also get a shift light for a motorcycle too. If you try to depend on the speed, you WILL blow the motor up. This is why they invented tachs and shift lights. Ask a question and argue with the answers. Why ask a question?
You don't say which motorcycle you have, what year or what you're doing. If it's a newer model (say last 10 years or so), it'll have a rev limiter on it. That basically disables some aspect of the engine (spark or fuel I think are the two most common methods) so you can't exceed the redline of the engine and damage it. Even Harleys have them.



So you can really just hold the gas open until it sputters at you and then shift. Eventually you'll figure out the speeds where it makes sense. The folks who rev to redline are the ones that are racing the bike.



On my Harley, which doesn't have a tach, you'd shift at about these speeds: 1%26gt;2 is 15, 2%26gt;3 is 30, 3%26gt;4 is 45 and 4%26gt;5 is 55



On my Hayabusa, which does have a tach, I shift at from 3500 rpm to 4500 rpm fror normal riding. If I were to redline it, I'd be doing about 79mph in first gear before shifting so that doesn't happen often :)



If you're really concerned about it, locate a tach and have it installed.
The shift points would vary by engine size and type. We need more information to help you. A 500cc four stroke will have different shift points than a 750cc or a smaller two stroke motor.

Enter your engine make size and shift points in google and see what links show up. ex. ';750cc Honda Shift Points';
The absolute best place to look it up is in the owner's manual.

There should be a table for upshifts, and another for downshifts.

And that will give a guideline. Start from there, and as you learn to ride, you WILL learn when to shift. You actually tell more by feel and performance than hearing. A tachometer is handy, but not neccessary.
http://www.ehow.com/how_3234_drive-car-w