Tachometer

thomas kelcey /

has any put a tachometer on a tomos moped if so how do I in stall one?

Re: Tachometer

They are generally digital. And either tie into the coil output or are inductive and pick up off the plug wire.

Re: Tachometer

Downhill Harvey (OFMC) /

I bought this one. Black to ground, red attaches to the headlight circuit. It comes with a mount, wire extensions, and plug-in connectors. It was too easy to instal. Unfortunately, I now know that a stock Derbi with a stock pipe won't rev over 6k :(

(edited)

Re: Tachometer

thomas kelcey /

are all of them as esay to install?

Re: Tachometer

Downhill Harvey (OFMC) /

Basically, but most have an illumination bulb, hence the 12v specification. I don't know why you couldn't put a 6v bulb in it and have it lighted too.

Re: Tachometer

Considering that the ignition and lighting are two separate circuits, it should work. That derbi one though is being actuated by the lighting coil and could possibly be damaged by incorrect voltage.

Re: Tachometer

Downhill Harvey (OFMC) /

That's how the factory wires it up, now where's that wiring diagram.

Re: Tachometer

Downhill Harvey (OFMC) /

DPC Ryan Wrote:

-------------------------------------------------------

> That derbi one

> though is being actuated by the lighting coil and

> could possibly be damaged by incorrect voltage.

I did fry it once. Soldered the wires back together, and so far, so good.

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