When you use the "primer", you are simply bypassing the carburetor. You should get the same response by spraying some fuel mixture into the
Could be (amongst a lot of other things) a bad gudgeon pin/bearing. There is a simple test. Take out the spark plugs and put a long piece of dowel or
Is it hanging a valve in the head? Check the vacuum when this happens.
If you run the motor with the lower unit off does it still make this noise? When diagnosing problems I always start by trying to isolate
can someone tell me what year BAUJ 1001745 is,Please.