We have a 2000 with a Fuji 600 it will start fine but after riding for awhile and shut it off it will not start without sitting for some time. We checked spark and you can see gas going thru the line but the odd thing is the plugs are dry. Yesterday we changed plugs and it fired up, the plugs that were changed looked good btw. But after riding for a short time shut it off and would not start again. Any ideas of what else we could check? Thanks in advance.