I have a 2-stokes NSR250 PGM4 (card ignition) and i just installed new exhaust and using the HRC keycard. I seems not running as good as I using the original keycard and I need some jetting on my bike. I am wondering if there is someone around here who can tune the setting for my bike. Or any recomended shops which good for 2-stokes bikes. I used to goto a shop on anything for my bike but seems they are not that familar on tuning my bike.
Thanks for any advise.