Home › Forum › Ask A Member › 1970-ish Yamaha Mariner 8 runs erratic. Can you tell me why? › Re: 1970-ish Yamaha Mariner 8 runs erratic. Can you tell me why?
September 23, 2016 at 4:18 pm
#44601
I recently used a fuel pressure gauge placed in between the fuel pump and carb. I had the factory info on what PSI at what rpm the pump should put out, it removed any doubt as to the pump output.
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