hello,i have been given an old 18 tohatsu 2stroke.it will not start due to no spark,however i am not sure how to test the coil resistances because i do not know what year or model it is.the motor is grey ,tiller handle,2 cylinder,manual choke,has TACC on the carb and has 00888 stamped on the block.can anyone help to identify my motor and keep it from the scrapheap.thank you for any help