That is 50 parts fuel to 1 part oil and 100 parts fuel to 1 part oil respectively. Good luck, post back when able of how you're doing. If all else fails and you're absolutely stuck we recommend a mix of 50:1 for outboards older than 1980 and 100:1 for outboards manufactured since 1980. Hi, McCulloch chain saws have different mixtures depending on whether you use their brand or generic and is also dependent on the model. Use good two stroke oil and re-jet if your spark plug color is to white or black. Lubrication / Fuel selection / Recommended fuel/oil mixture ration / Fuel mixing. Let the engine run for at least 10 minutes to make sure the stablized mixture is in all the engine parts where needed. Add a stabilizer at the end of the season before you store the engine for the winter. Re: Suzuki rm 80 fuel/oil mixture ratio, cant get hold of. Synthetic is fine - make sure you mix it well into the gas. When running above idle speed, these two screws do not affect the operation/speed of the motor, only at idle. President: An expert whose answer got voted for 500 times. The lower unit gears and bearings are lubricated by approximately 190 mL (6.4 ozs.) of SAE 90 hypoid outboard gear oil. So it should be set just about 1 - 2 turns in from where the butterfly rests, and can be adjusted more, or less, according to the idle rpms, once motor is running properly. Gasoline and oil should be thoroughly mixed. The idle stop screw prevents the carb from going too slow. Hello Folks, Having a bit ov bovver with me Suzuki DT4 outboard.(1988 model).The thing wont start even when hot without the choke on and once its running,when you put it in gear it either stops or wont run for more than a few minutes without dying,Ive cleaned the fuel lines,re-gapped the spark. If you have a rebuilt or reconditioned oil injected two stroke outboard (excluding Evinrude ETEC or Mercury Optimax) then you'll just need to add 50:1 to your fuel and let the oil injection system add the rest of the oil to make up the balance to get to 25:1. This mixture is very rich and is usually recommended for running in brand new two stroke outboards and when running in rebuilt or reconditioned engines. So opening it more adds more air mixture (leaner running), and closing this screw reduces air mixture (richer running). 25:1 - Mix 200ml of oil per 5ltrs of fuel. Turning air to fuel mixture by predicting fuel needs accordingto operating. This screw only adjusts the amount of air that mixes with the factory preset amount of fuel at idle. 75 to 1.5 turns open from lightly seated - never over tighten).
Suzuki dt4 fuel mixture manual#
Do you pre-mix oil and gas? The new carb you put on? Did you adjust the air mix screw, or the idle stop screw? What is the setting of the idle air-mix screw ( # turns closed, till lightly seated)? The setting should be in the manual, what does the manual say to set it at (it should be somewhere between.