I have a 2004 GTI which is normally very reliable. I rode it as normal yesterday, flushed it, etc. Went to go riding again today and the ski turns over, but will not pop to start. We changed sparkplugs, used a bit of starting fluid...no luck. There is no obvious damage to the motor, and no fluid leaks. Does anyone have any ideas on a fix or what could be wrong. I definalty want to avoid a pricey trip to the dealership. Thanks a bunch for any help!!