vrs

Hi Guys, I've got used to my 02 with 16 tooth front sprocket. I took out an Edwards today 03 and I noticed two things. 1) The gearing seems different (it may be the bike has altered front a rear sprockets) as my 02 does 85 mph at 5000 revs but the 03 was doing 78 at 5000. So the question is...