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Hello,
New here and have read and learned from this forum, i recently bought a boat with a 2000 40 hp yamaha four stroke carbed. it runs well at full throttle and seems to idle rough and dies when you to to accelerate to quickly. i have taken the carbs apart for cleaning and reinstalled with the same issue, i noticed that the top carb is not shooting a stream of gas out of the accelerator nozzle like the bottom two are . I have tried to clean the blockage in the nozzle without much success, I have read that there is a procedure to drill the carb body to gain access to the accelerator jet but i cannot find any info on this. any help would be greatly appreciated . (FYI) I already changed the main and pilot jets to the lager ones from the 25 hp Yamaha and removed the covers from the air bleeds for syncing carbs correctly)
New here and have read and learned from this forum, i recently bought a boat with a 2000 40 hp yamaha four stroke carbed. it runs well at full throttle and seems to idle rough and dies when you to to accelerate to quickly. i have taken the carbs apart for cleaning and reinstalled with the same issue, i noticed that the top carb is not shooting a stream of gas out of the accelerator nozzle like the bottom two are . I have tried to clean the blockage in the nozzle without much success, I have read that there is a procedure to drill the carb body to gain access to the accelerator jet but i cannot find any info on this. any help would be greatly appreciated . (FYI) I already changed the main and pilot jets to the lager ones from the 25 hp Yamaha and removed the covers from the air bleeds for syncing carbs correctly)
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