I disagree on the part about C3 belt drive kits blowing more often than a chain drive. My experience is just the opposite. <div><br></div><div>That being said, the belt drive is not worth it as an aftermarket product unless the skidoo has quite a bit more power than stock.</div><div><br></div><div>A C3 belt drive, when configured with solid cogs (not quick change), with a decent diameter (top gear cannot be extremely small) and a relatively low gear ratio is bulletproof but probably not necessary for a stock powered skidoo. </div><div><br></div><div><br></div>