SOURCE: 40hp 1987 yamaha outboard motor will run for 30-60
Sound like the fuel pump is not keeping up with the engine's demand. Check it out. Good luck. Hope this helps.
SOURCE: suzuki 4hp two stroke impellar
Dropp the lower unit, should be only 4 bolts holding it on. Impellar housing should be located right on top of the lower unit. four screws it the housing slides off the shaft, insall in reverse order with ne gaskets, make sure you re- align the waterhose/pipe from the lower unit back to the head
SOURCE: 9.8 hp mercury outboard shutting off in low idle speed.
My problem ended up being the spring on the reed valve being weak.But at the same time and while I had already had my carb broke down I took a can of carb cleaner to it and cleaned it. In order to replace the spring on reed valve you will have to buy a new one, but don't worry I only payed about $6.00 for mine. You may also look into replacing your primer bulb if you haven't already because may allowing air to build up in your gas line while you are basically idiling.Once you get the carb straightened out you may have to reajust it again. If I might be able to help you again you may contact me at [email protected].
SOURCE: Missing operators manual for Evinrude 2 hp outboard motor
Your best bet is ebay for a replacement user manual. Take a look around, you will come across one... For the meantime, gas oil ratio should be 50 parts gas to 1 part oil, i.e. 50:1. General care: Dont go full throttle for any length of time. Cruise of 3/4 throttle... Always flush engine after use in saltwater, including washing down exterior. Keep spark plugs in good order and check prop for fishing line wrapped around in near the prop hub. Otherwise, get a yearly service and have them check the water pump and replace as needed, get it tuned etc and gearbox oil changed.
SOURCE: oil weight to use for 1989 evinrude 2 stroke 90 hp
The oil is mixed with the gas, just buy 2 cycle engine oil and follow ratio mixture
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