| Luckily they did it as part of the sale as I didnt want the bike as it was! I think its to do with when they come on - with the later ones its one injector til you need both, whereas earlier is 2 inj all the time (I await to be stand corrected)
having never ridden another sps, not sure whether mine feels different or not and if the reason it was originally so jerky was because there was a fault somewhere. I think this is probably the case coz it wouldnt cruise at any speed in any gear up to 90! and roundabouts, forget it, the throttle was an on/off switch with no progression.
mine still feels like a missile to me - I must get someone who has had one before try it to tell me the difference....any offers??? | 
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