i had to think for a moment.....
this thick thick thick means that ur starter leting u know that hes almost dead(not enough sparks). the last moment to go to the shop and buy new one is now, try with hiting it and starting in the same moment usually it working 1-3 times and its dead 4ever. hope u know where is it cos i wont be able to explain it to you (not good enough in eng)
90% its starter
good luck