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  1. DonCox

    A little bit about my 2008 YZ250F Electric Conversion

    Mark911, are you going up to the Fully Charged Electric Showdown Austin is putting on. I am pretty sure I can get there, but I should have one if not all 3 of the 3 KX100 electrics I've built up there.
  2. DonCox

    A little bit about my 2008 YZ250F Electric Conversion

    Dain, How is the bike running? I have a XEMX1 gear reduced ME1115 motor with a Sevcon Gen 6 controller 80V 550A. I am using the Domino throttle. I cannot get good or reliable throttle response with this combo. Do you do your own programming, or who do you use. Could you program mine for me...
  3. DonCox

    A little bit about my 2008 YZ250F Electric Conversion

    Have you succeeded in getting the Sevcon dialed in? What throttle are you using. I ask these questions, because I have about the same setup. 2014 YZ250F bike, Sevcon Gen4 S6, ME1115 in an XEMX1 gear reduction, 20S14P Sony VTC6 cells for now. I am using the Domino throttle. I have the programming...
  4. DonCox

    General Brad Lackey on Alta, Stark, and the Future of Dirt Bikes.

    I was reading a post in Racer X, where they interviewed Brad Lackey. One of his closing statements is included here. I will put the link to his whole interview if you would like to see what he has been up to. I had but drank, (and still have the Bottle) a commemorative bottle of Brad's Private...
  5. DonCox

    100V lithium ion battery - Vextrek

    How hot do your batteries get, can you monitor each individual sensors? I use the same cells, but in a none max current application. Mine are 20S8P for a maximum of 360A, but the motor/ controller can only draw 200A, so I don't expect a lot of heat, but I was wondering , do you see any heat...
  6. DonCox

    STARK VARG (Something new is coming!)

    My friend at XEMX1.com has raced his XE4 model converted YZ250F to electric in an enduro race in Florida ( Mondon Hill ). It was 3 x 10 mile laps. He built a battery swap system into the bike, and he swapped the battery each lap . It took 18-21 seconds to do it. The battery is close to the...
  7. DonCox

    KX100 Electric Pit Bike

    You asked about how am I doing my connections. I tried to use a couple of spot welders, but I couldn't get enough penetration because the bus bars I wanted were too thick. So I got some good soldering tools and have used that on all 4 battery pack I have built. The first 3 were with the Sony...
  8. DonCox

    KX100 Electric Pit Bike

    https://liionwholesale.com/pages/search-results-page?q=molicel+inr-21700-p42a These guys are quick and good price. I have bought from them multiply times. Don't take them all, I have another order to put in soon...
  9. DonCox

    A New Power Source -- Segway Hybrid Motorcycle

    I have dreamt of the new power source. I wonder how big one is and how heavy. A Hydrogen power cell. They will be here soon...
  10. DonCox

    Battery construction 5,8kwh 72V

    Sascha, Lets start from a better spot. What kind of performance do you want out of this dirt What level do you ride. These are the starting blocks. Alta built a 260+lbsbike with 40HP (using I think Panasonic cells). When they went to the Sony VTC6 cells they were able to get 50HP. These are...
  11. DonCox

    A YZ conversion kit

    You might check this kit out. XEMX1. A CnCed motor/gearbox, complete to easily bolt into a 2014-2018 YZ250F or 450F donor bike. https://www.ebay.com/itm/313131077504?mkcid=1&mkrid=711-53200-19255-0&siteid=0&customid=link&campid=5338344719&toolid=20001&mkevt=1 They are made in America, and he...
  12. DonCox

    Thinking about getting another e-dirt bike: Which One?

    Robert, I can say right off it takes quite the mechanic, fabricator, crafter to build an Electric bike or vehicle from scratch. Not to try to discourage you there is a lot involved. I have built from scratch, and it takes a lot of time and expense to build that way. What Mark has done, has...
  13. DonCox

    Thinking about getting another e-dirt bike: Which One?

    Makiman, Yes I know the guy at XtremelectricMX quiie well. His name is Mark, and he lives in Florida. I am in Lake havasu City AZ. He has one for sale right now on Ebay. The same model that I have. I have it running , but with a temporary battery ( only 200A) Here is a youtube of it...
  14. DonCox

    New ALTA Alternative -Stark VARG - From Europe

    It is also on Vital MX Moto-Related Forum. Quite a lot of interesting comments... https://www.vitalmx.com/forums/Moto-Related,20/STARK-FUTURE-VARG-An-Electric-Bike-that-is-Faster-and-Lighter-than-a-450,1397258?unread
  15. DonCox

    A little bit about my 2008 YZ250F Electric Conversion

    I have a Sevcon Controller on my dirt bike. I was introduced to A gentleman named Richard George to help me get my system up and communicating. The friend who recommended him has used him numerous times, he is good. He used to work for Sevcon before it became Borg Warner, and he can work with...
  16. DonCox

    A little bit about my 2008 YZ250F Electric Conversion

    Thanks Rashid510. I didn't know there wasn't termination in that adapter. DigiKey was out of stock of that item and $33 plus shipping. Amazon had one for for $8 , and will be here in 2 days. Plus they had information on the product. But thanks for the info. I don't have the DVT software...
  17. DonCox

    A little bit about my 2008 YZ250F Electric Conversion

    The owner came and pick up his KX100. He loved it. It's heading up to No Cal. It will be at Hollister in no time. The picture on the back of the RV is of The Over Forty Club at Hollister, and the bike going home. Here is one of his first rides on it
  18. DonCox

    A little bit about my 2008 YZ250F Electric Conversion

    I just bought the IXXAT tool from Digikey for $343 plus tax and shipping $373 total. I just got it and have not got the DVT software yet . I will report once I test it. I am working on a 2014 YZ with the ME1115 motor in a billet gear box, and Sevcon.
  19. DonCox

    List of aftermarket products for the Alta

    I got this Kickstand for my YZ250F and it is super. If the footpeg mounting bolts on the Alta are the same as the YZ250F 2008 ( my bike) this one is great. I don't know if it will clear the swingarm. it clears on my YZ just fine...
  20. DonCox

    Electric RMZ

    @riverin, On some of my earlier batteries, I did what you did, used the BMS for Charging only, but the last one I used the ANT Smart BMS, and used the BMS for both Charge and Discharge. I used the 300A model from ElectroandCompany and for it's size it does an amazing job. but I don't know...
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