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05-10-21, 10:16 PM | #1 |
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Join Date: Sep 2021
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Gen 2 2008 secondary throttle position sensor adjustment
Hey everyone, so im in the middle of checking/adjusting the secondary throttle position sensor. Reason being is that I accidentally adjusted it thinking it was the main throttle position sensor. I put it back roughly to where I thought it was and never got any type of check engine code. But figured why not see what the voltages were with the plates fully opened and closed. So fully open it was reading around 4.67v. Closed was almost 0.7v. From an online manual I found based on a 2007 model it states fully closed should be 0.6v and fully open 4.5v. Ive set fully open to 4.5v and fully closed is almost right at 0.6v. Ive also read some forum posts that state fully open should be more than approximately 4.38v. So it safe to say anywhere between 4.38v and 4.5v is acceptable? Here's a few pictures of the manual info ive found. Want to be certain before putting the bike back together.
Also has anyone personally removed their secondary throttle plates? Ive read some conflicting info about some having bikes run better without them and others say don't touch them. Thanks! |
06-10-21, 08:15 AM | #2 | |
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Re: Gen 2 2008 secondary throttle position sensor adjustment
Quote:
The secondary valves intervene to reduce this effect. Can't help you with the voltages though.
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2016 SV650AL7 2023 GSX-8S |
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06-10-21, 12:22 PM | #3 | |
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Re: Gen 2 2008 secondary throttle position sensor adjustment
Quote:
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06-10-21, 07:13 PM | #4 |
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Re: Gen 2 2008 secondary throttle position sensor adjustment
I've never removed mine, but read plenty of posts from those that have. In a lot of those cases, they end up reinstalling them for general smooth running and better manners on the road.
On a track bike there's probably a benefit in removing the STV plates because you don't care about small throttle openings and you don't want the ECU interfering when you demand WFO throttle. |
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