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rev counter

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i've got a thumpstar 120cc........ does any one know how to connect a rev counter on...... i think it connects up to the ignition but im not sure.

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Assuming it's the same as a go-kart taco, hook one wire up to earth, and the other up to your sparky lead.

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I use a mini tach that's available in the US for around 40 dollars on my XR-650L--uses it's own non-replaceable battery (a throwaway unit, supposed to last five years) and it also keeps track of the number of hours run. One wire hookup, too--just wrap a wire around the plug wire a few turns and then push the wire into the tach/hourmeter's groove. Definitely worth the bucks and simple to install. :banghead:

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A place in Maryland called Jack's Small Engines although you can get them from lawn mower shops.

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Note, the update speed on these things isn't exactly snappy. They are made to monitor tractors, where you set one speed and leave it there. I think the update rate is once every half a second, or once a second?

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