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2001 DS 650 tachometer issue!!!! helpppp

krivs388

By krivs388
in Can-Am BRP ATV Forum

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krivs388 Apprentice

krivs388

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whats up guys i just got a question about a tach that i just bought. I kno the newer ds 650 bajas come stock with a tach but I bought a tach from autozone today that works with a distrubutorless ignition like every bike. The tach has 4 wires. a ground, power, wire for light, and the green wire which is what detects the rpms. i tried putting it EVERYWHERE on the ignition except any of the wires that come out of the cdi box. Anyone know where I should put that green wire? Or does anyone know where the wire for the factory tach on the ds 650 bajas go? please help i dont want the money I just spent on the tach to be a waste. I mounted the tach and everything :no:

DirtDemon Veteran

DirtDemon

Posted
Posted

If you could, please post the year of your machine so it can be added the the thread title. Did the tach not come with instruction? I would think that the wire would be connected to the negative primary terminal on the coil. Since your CDI system runs the coil straight to a chassis ground, there really is no negative primary on your coil. So the tach is probably not compatable with a CDI ignition. It may run off of the wire that runs from the CDI box to the coil, but I won't guarantee that it will work at all and if it did, the reading would be doubled because of the wasted spark. It may also run off of the signal that is generated by the pulse sensor, but again, I am not completely sure of that, but if it did work, you would still have the double reading. In short, I really don't think it will work. You would be better off getting a factory tach off of one of the Baja models, but I would consult a dealer to make sure it would work on your model.

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krivs388 Apprentice

krivs388

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my bike is a 2001. I ended up getting the tach to work. but turns out the tach only works for 4,6,8 cylinders so when my bike is at about 5000rpms it only shows about 2500 on the tach. I spliced the green wire into the spark plug wire. So Im going to start looking for a tach that works on single or twin cylinder engines. Thanks for the help

krivs388 Apprentice

krivs388

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alright thanks man. I think Im just going to buy the factory tach that comes on the bajas and get that to work. Like I should have did in the first place lol. Thanks again

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