brad460 Posted July 14, 2008 Share Posted July 14, 2008 Does anyone know if you can upgrade the 50 cc engine in the LB50 Chappy to the 80cc engine? My dealer doesn't seem to know either. I've got 78 LB50. I can see that the connecting rod is the same part number between the 50 and the 80, so I'm betting that it's just the bore that's different, but does anyone out there know? Thanks in advance... Link to comment Share on other sites More sharing options...
jumbo327 Posted December 7, 2008 Share Posted December 7, 2008 Does anyone know if you can upgrade the 50 cc engine in the LB50 Chappy to the 80cc engine? My dealer doesn't seem to know either. I've got 78 LB50. I can see that the connecting rod is the same part number between the 50 and the 80, so I'm betting that it's just the bore that's different, but does anyone out there know? Thanks in advance... they make a kit for the 50 its on ebay that pumps it up to 70cc.its made by polini Link to comment Share on other sites More sharing options...
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