David Humphreys Posted May 27, 2016 Posted May 27, 2016 Hi I am new to this forum I have put a miller slip on exhaust on my XVS 1300 and it sounds great I was told by a mechanic that I had to put a power commander v on the bike because Yamaha run on top end of lean so I have done that . I have downloaded the maps for the commander there is about 14 maps for the make and model and year of my bike, none of which are for the miller slip on , there is vance & hines cobra but to name a few . I have tried most of the maps, most of them make the bike miss at low revs in traffic . is there a map for this miller slip on out there somewhere. and did I need a power commander in the first place ?? any feed back would be great. Regards Dai
Noise Posted May 27, 2016 Posted May 27, 2016 How did the bike run without the power commander fitted?
David Humphreys Posted May 27, 2016 Author Posted May 27, 2016 (edited) hi thanks for replying the bike ran good no missing at all but that was with the stock exhaust on and no commander . Edited May 27, 2016 by David Humphreys added more information
David Humphreys Posted May 27, 2016 Author Posted May 27, 2016 1 hour ago, David Humphreys said: hi thanks for replying the bike ran good no missing at all .
Noise Posted May 28, 2016 Posted May 28, 2016 20 hours ago, David Humphreys said: hi thanks for replying the bike ran good no missing at all but that was with the stock exhaust on and no commander . Take the power commander off and see how she runs. if she runs better then leave it off. If it still runs like a bag of crap ask the bloke who reccomended it to see if he knows/can find a map for that set up.
David Humphreys Posted May 31, 2016 Author Posted May 31, 2016 (edited) Hi many thanks, I have been in touch with dynojet and the closest map to the spec of my bike is M22-049-502 if no change they suggest taking it to a dyno jet tuning centre and make a map to suit ,so I will try 502 map first if no change then I will speak to the mechanic that installed the commander. speaking to other people they seem to think that I didn't need commander because I only changed the end cam and not the complete exhaust system . Edited May 31, 2016 by David Humphreys spelling 1
clarke Posted June 5, 2016 Posted June 5, 2016 I had a Cobra slip-on on my old 1300 and it didn't need a P.C. the only thing I did was the O2 mod but that was to help low gear surging rather than top end. Hope you get sorted.
David Humphreys Posted June 22, 2016 Author Posted June 22, 2016 (edited) On 05 June 2016 at 8:34 PM, clarke said: I had a Cobra slip-on on my old 1300 and it didn't need a P.C. the only thing I did was the O2 mod but that was to help low gear surging rather than top end. Hope you get sorted. hi sorry for the long wait to reply , I email miller in Germany and they said no I don't need one also spoke to Yamaha and they said the same unless I changed the hole complete exhaust system or doing high mileage and flat out speeds so I'll be taking it off tonight. many thanks to all that all that replied to my message . Edited June 22, 2016 by David Humphreys spelling mistake
clarke Posted June 23, 2016 Posted June 23, 2016 It won't harm leaving it on (if set up correctly), though you could remove and sell to get some ££ if you want
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