Just bought 03wr450f. It backfired on first time kick starting it. Then the kick starter would not disengage from engine. I looked down and kick starter shaft and it looked bent. Opened side case and took kick starter away out and the shaft is cracked. Also looked at the case the kick starter shaft comes out and it is cracked too. I found a used case on eBay and it is in the mail. What kick start away should I put in. Book calls for 5ta-15601-10-00. Where should I buy this:-) Also I want new plastic and new factory stickers. Where is a good place to buy on line?