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Honda CB750/900/1100F SuperSport Website: SuperSport Forums


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nathanhouse
Silver CB900F
Silver CB900F



Joined: Oct 05, 2008
Posts: 1499
Location: Dover, NH

PostPosted: Fri Sep 14, 2018 5:14 pm Reply with quote Back to top

Ok, so I understand the difference between the two and three wire sensors. Three wire has power, two wire does not and is excited solely by the rotation of the engine.
Is there a benefit of one or the other esp. when using the ignitech ignition setup? I'm planning on using the two wire sensors on both unless there is a compelling argument to use the three. What do you think?
 
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Captain
CB1100F
CB1100F



Joined: Jan 02, 2009
Posts: 2270
Location: New Zealand

PostPosted: Fri Sep 14, 2018 6:48 pm Reply with quote Back to top

Unless you have a permanent magnet as an exciter (you don't if you are coping my set-up) then you require a 3 wire (powered) sensor.

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nathanhouse
Silver CB900F
Silver CB900F



Joined: Oct 05, 2008
Posts: 1499
Location: Dover, NH

PostPosted: Fri Sep 14, 2018 6:53 pm Reply with quote Back to top

So I understood part of the 2vs3 wire sensors but not all. Thank you Brent for filling me in!
 
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Shawn_Mc
CB1100F
CB1100F



Joined: Jul 30, 2012
Posts: 2813
Location: Anaheim Hills, Ca.

PostPosted: Sat Sep 15, 2018 6:12 pm Reply with quote Back to top

nathanhouse wrote:
So I understood part of the 2vs3 wire sensors but not all. Thank you Brent for filling me in!


Most of the 3 wire sensors are "Hall Effect" sensors that put out a digital signal. They read +12 or 0 or whatever the reference voltage is. A two wire sensor is going to produce a rising A/C voltage. How the signal is interpreted by the ignition is the only difference. It's said that the Hall effect sensors are more accurate, but that really depends on how well the signal is being read by the ignition itself.

There are also 4 and 5 wire Hall effect sensors too.

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F-crazy
Black CB750F
Black CB750F



Joined: Feb 09, 2011
Posts: 980
Location: Milwaukee

PostPosted: Wed Sep 19, 2018 6:24 pm Reply with quote Back to top

I general I prefer Hall effect to VR sensors as the VR produce more electrical noise. It might never cause a problem on an ignition only bike but can definitely cause problems on an efi equipped engines

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