How to resize a R6 player? - ADVANCED?

I'm currently making a game where you become an elf. I've done it for R15 but I don't know how to do R6. Link150 (A staff member) got me this far;

script.Parent.Touched:connect(function(hit)
    local character = hit.Parent
    hit.Parent["Left Arm"].Size = Vector3.new(0.52, 0.624, 0.52)
    local joint = Instance.new("Motor6D")
    joint.Parent = hit.Parent.Torso
    joint.Name = "Left Shoulder"
    joint.Part0 = character.Torso
    joint.Part1 = character["Left Arm"]

    hit.Parent["Left Leg"].Size = Vector3.new(0.52, 0.78, 0.52)
    local joint1 = Instance.new("Motor6D")
    joint1.Parent = hit.Parent.Torso
    joint1.Name = "Left Hip"
    joint1.Part0 = character.Torso
    joint1.Part1 = character["Left Leg"]

    hit.Parent.Torso.Size = Vector3.new(1.04, 0.832, 0.52)
    local joint2 = Instance.new("Motor6D")
    joint2.Parent = hit.Parent.Torso
    joint2.Name = "Neck"
    joint2.Part0 = character.Torso
    joint2.Part1 = character.Head

    hit.Parent["Right Arm"].Size = Vector3.new(0.52, 0.624, 0.52)
    local joint3 = Instance.new("Motor6D")
    joint3.Parent = hit.Parent.Torso
    joint3.Name = "Right Shoulder"
    joint3.Part0 = character.Torso
    joint3.Part1 = character["Right Arm"]

    hit.Parent["Right Leg"].Size = Vector3.new(0.52, 0.78, 0.52)
    local joint4 = Instance.new("Motor6D")
    joint4.Parent = hit.Parent.Torso
    joint4.Name = "Right Hip"
    joint4.Part0 = character.Torso
    joint4.Part1 = character["Right Leg"]

end)

But he hasn't been online since. The bug is that all the limbs fall off you and become invisible. Please may you help me!