tachometer hookup

[gearhead65]

Does anyone know if there is a place on the bike where I can tap off to get a tachometer signal from?

[mattb]

That depends on whether the tach is purely mechanical or not (I presume you meant an electrical signal)! Is there any electrical wiring going to your tach?

[gearhead65]

Yes, electrical. I am not very familiar with motorcycles, but with cars I am pretty proficient. On a car the tach signal is usually taken from the coil or from a pin on the computer of a newer model car. Is there a coil on the motorcycle I can tap this signal from?

I have never dealt with a mechanical tachometer, so I really wouldn't know how that would hook up. I imagine it would be a lot more complicated though.

[mydlyfkryzis]

Yes, there's a coil.

However, you need to make sure the Tach is compatible with your bike. Some bikes are 1 spark per 2 revolutions, some are 2 sparks. they are usually referred to as single fire or dual fire.

My Honda NH 750 has 2 coils. for 4 cylinders. 2 plugs get a spark at the same time. So I have a dual fire system.

If you have a 2 cylinder, with 1 coil, then you are dual fire. If you have 2 independent coild, one for each cylinder, you have single fire.