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25th January 2022
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XL FORUM TEAM MEMBER
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Join Date: Jan 2009
Posts: 220 Sportster/Buell Model: xl883r Sportster/Buell Year: 2003
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Quote:
Originally Posted by gl90hog
Interesting! One thing to try is to add a missing tooth, but that's kind of hard now, since it is not really "missing", but added, right? Just to see if uSquirt will actually trigger with no errors. While playing with various sensors and wheels I found it to be rather... Picky
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I have good, strong signal from the harley sensor and 1018 timing wheel. I'm told that the 12-1 pattern wil work fine and even a 12-2 might be easier starting.
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26th January 2022
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XL FORUM TEAM MEMBER
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Join Date: Jan 2009
Posts: 220 Sportster/Buell Model: xl883r Sportster/Buell Year: 2003
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Quote:
Originally Posted by t120r
Call Hammer Performance. They make their own steel timing cup. I was told getting a custom tooth pattern was not an issue.
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Hammer just called me and said they have so many timing cups on the shelf that they can't see making any for a few months. You'll have to make your own or get one made at the machine shop.
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1st February 2022
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Biker
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Join Date: Mar 2009
Posts: 41 Sportster/Buell Model: XLH 883 Sportster/Buell Year: 2000
Reputation: 10

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Too bad. Back to improvisation
I just received my BMW G650 TB, it looks good, almost new. 45 mm diameter (bigger than CV carb). Idle valve has a stepper motor hence cannot be controlled by microsquirt, but no matter, Buell TB does not have one on the other hand. Single injector is small, I will probably upgrade it, although for low rpm torque might be ok - I shall see
In few days. I will test it with the bike on the dyno, to set the baseline before installing the turbine
For this step I shall use existing Ignition and just tap the coil
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2nd February 2022
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XL FORUM TEAM MEMBER
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Join Date: Jan 2009
Posts: 220 Sportster/Buell Model: xl883r Sportster/Buell Year: 2003
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Quote:
Originally Posted by gl90hog
Idle valve has a stepper motor hence cannot be controlled by microsquirt
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Sure it can. You just need this:
https://www.efisource.com/wp/shop/mi...epper-adapter/
Probably cheaper than adapting/buying an external pwm IAC.
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2nd February 2022
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Biker
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Join Date: Mar 2009
Posts: 41 Sportster/Buell Model: XLH 883 Sportster/Buell Year: 2000
Reputation: 10

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Quote:
Originally Posted by t120r
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True, there is this possibility I knew of - I was meaning not directly being capable of! Not sure it's worth the trouble, I will see
It's not the extra bucks, what I am more interested is where to squeeze all the extra elements + wiring. Already considering buying a new LiIon battery and replace my... newly installed battery, just to have more space to hide electronics
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