i'm new to trouble shooting a inconsistant spark issue with PWC and specifically new to a the VR system with such engines. are they not similar to outboard systems?<br /><br />what voltage should i have at the battery during charging...as i'm getting inconsistant and low readings.<br /><br />any ideas to where to begin with intermitant spark?<br />VR?<br />CDI? <br />Coils?<br /><br />thanks all.