hey, just last fall i was riding my cr 80 and i had full antifreeze and i was only riding for like 10 mins. and then i shut off my bike for like 1 min. then i tried starting it back up but wouldnt,but i did manage to get it started and when i did it was smoking like crazy so i shut it off, then i checked the antifreeze and it was completely empty!!!if some1 knows what is wrong please email me at dirtbikedude133@msn.com thanks, Jeff
Sounds like the muffler bearing seized. You should bring it to a mechanic to have it replaced...
maybe your water pump seal broke and all the antifreeze got sucked into your crankcase. Drain your crankcase and see if the oil looks suspicious. Otherwise.. you might need to adjust the power band on your bike. Take it to your local dealer and ask them to tighten up the powerband.
Like yah mon, like that could be it 'fur sure' like Dude ::)
It was built that way.