I TOOK MINE OFF FOR THE WEIGHT, BUT AFTER I ROLLED IT & TRYING TO START IT PLAYED ME OUT, I RE-INSTALLED IT. I FOUND THE MBT 0200 BATTERY THAT IS AROUND 5lbs OR SO FROM THE YAMAHA GUYS, MOUNTAIN PERFORMANCE. IT DROPPED ALMOST10lbs OFF THE STOCK BATTERY. NOT AS MUCH CRANKING POWER BUT IT DOES START NO PROBLEM.