back in febuary i bought a nitro 4tec on ebay. i had some trouble getting it. well i finally got it and it is in bad shape so im going to fix it up and make it nicer. its the pro .15 edition. i need some help with it. where you put the pull start it just has a little shaft coming out of it so im geussing it needs a back plate? does any one know where to find one i couldnt. thanks.