I have a '09 800 Switchback 136" with updates. The sled ran awesome last year! The updates were done in October and since the 1st time out I've had issues with poor throttle response and needing to replace sparkplugs often. I took it back to the dealer last week and the latest flash was...
I have a '09 Switchback 800 136in with 475 miles. I haven't had any problems with it until the dealer did the updates! I just rode 100 miles yesturday and had to change the plugs 3X!!!:rant: