question to u WHAT YEAR DID THEY GO LIQUID COOLED ON DIRT BIKES,MY FRIEND DIED AND HIS PARENTS GAVE ME HIS BIKE, I KNOW ITS LIQUID COOLED THATS IT, DISK FRONT AND LOOKS LIKE DRUM OR SOMETHING ON REAR,ITS NOT ALL TOGETHER, AND I DONĀ“T KNOW HOW TO READ VIN WHICH NUMBER ON URS IS THE YEAR SO I CAN FIGURE THIS OUT, I STARTED IT,IT HAS NO EXASUST PERIOD, NOTHIN AT ENGINE EITHER,JUST STARTTED IT TO MAKE SURE NOT FROZE UP, AND NEEDS GEAR SHIFTER, SO THATS WHY I NEED TO FIGURE OUT YEAR AND ALL