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Info about Switch on back of tach

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Midlife crisis Nartispuddlejumper, Bureau of Toxicity

2,282 posts · joined May 2003 ·

#658018
Howdy

I am putting in an after market tacho so I can check whether the factory one is reading wrong .
it is all wired up and working but there is a switch on the back

On the left side it reads
4-4
2-2
then on the right side it reads
4-6
2-3

When it is on the right side at idle it reads 550rpm
on the left side it reads 950
anyone have an idea which side to put it on?

Going by the sound of the engine I would think the right side but this is me and I am not right that often 🤪

Marc
If you can't laugh at yourself you can't laugh at anyone else! Because life is to short not to LAUGH

sinecure Want another... :(

1,031 posts · joined Mar 2006 ·

#658044
What type (brand) tach? The numbers usually indicate the cycle and cylinders (4 for 4 stroke, 2 for 2 stroke/rotary). I would guess 4-4 is 4 stroke, 4 cylinder.
A POSSE AD ESSE.

I live in my own little world, but it's okay, they know me here.

Midlife crisis Nartispuddlejumper, Bureau of Toxicity

2,282 posts · joined May 2003 ·

#658055
Howdy Mick

It is a kmart brand.

Marc
If you can't laugh at yourself you can't laugh at anyone else! Because life is to short not to LAUGH