Its been a while since i have been on this website, i just got an email today to reminded me that im joined and it couldnt of come at a better time.
I Recently spent £450 to have a fair bit of work done to my zzr600 e model. Mot, fork seals, front brake cailipers over haul, new back tyre and second hand set of downpipes fitted from ebay. Every since i got it back from the shop it has been running like a pig when i call for power, ( ie, power on then totally loss, then back on again?) I Changed plugs, air filter, ht leads, oil change and it still doent run like it did before i dropped it of at the shop before the work was done. Dose anyone think that the new pipes have come of a restriced zzr and if they are restriced would it cause the symptoms described.