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| Electrics & Lighting All discussions related to bike electric, lights, bulbs, fuses and wiring. | 
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            XT660R wont run 
            
             I used the bike 60km this morning no problems at all, at 9PM a new front light arrived for my bike, i decided to change it right away, now it wont start.^
             Bike is running: KN filter DNA stage 2 Delkevic exhaust Power commander V Dynojet autotune You can get the bike running but in that case you will need to have about 50% throttle and it will only rev aprox. 4k rev and splutter. I did manage to get one AFR reading on 4k rev and it seemed to be at 10.. https://www.youtube.com/watch?v=yABtPvTYaFY Here is a video of it "starting". Ive tried to reset to the yamaha original map, still wont work. | 
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             Seems like the power commander has died, when i disconnect the PCV the bike starts and runs fine. Talked to OTR and they told me to send the pcv to so that they can check the unit. 
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|  That's very interesting. I don't think I've ever heard of a Power Commander going bad before; the connectors/connections and their optimizer, but never the PC itself. Make sure you report back with what went wrong with it... | 
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              Quote:
              
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