Of course it could require more or less, but that would probably be a good starting point. I ran the same plugs in my Banshee for 4 years, the first two of which were ran at 24:1, then 32:1, and 40:1 for the past 6 months. When I ran yamalube at 24:1, my plugs were always dark and oily, but I never fouled them so were my exhaust tips. Side note - I spoke with a tuner some time ago and he told me that pure ethanol is capable of roughly making the same power as 116 octane. Also, when buying premium from the pump for your Banshee, always put 2 or 3 gallons in your car or truck first, then your can, or your gonna get a couple gallons of cheap gas from the last guys purchase.
The second reason is because years ago cast pistons and iron bores were used, so you wanted more oil in the combustion chamber to protect these two parts and help seal 'loose tolerances'. The chemists at Amsoil didn't just pick 50:1 out of the air. The mix ratio will depend on jetting, engine configuration, ridding style and premix oil used. When the gasoline enters the engine, it evaporates, dropping the oil out of suspension. There are two different type of mixtures when you are premixing your gasoline and oil.
Two strokes are far more prone to melting down than from having low lubrication failures. You need to decide what ratio you want to run. Two stroke engines burn oil and are designed to do this, and require the proper oil in the gasoline. I would stick with whatever ratio the carbs were jetted at. Tie a plastic bag over the exhaust pipe machine will require some preventive proce- outlet to prevent moisture from entering. Support your weight on the outer footboard. We know of one guy who forgot to mix oil into his gas and actually rode it for two hours without seizing it.
The fuel cock has three positions. I use to just give it a little top up just to make sure, cos didnt think that the injection system would be running that rich! When adjusting idle idle adjust screws. Be sure to read each section on the room. They did this for two big reasons that I know of, one is the idea that the extra oil is needed because of the lower protection offered by the older, lower tech, 100% petroleum based oils. Crap, and I'm sure that's how this one is made. Yamaha dealer to make this adjustment. More oil provides a better seal between the ring and the cylinder wall.
Turn the adjusting speed, turn the right and left idle speed screws in direction a to increase the adjust screws the same amount, or engine speed, and in direction b to. Tighten the locknut at the clutch lever. If you add to that the increased viscosity of the richer premix, which flows less through your jets, and the situation is worsened in a multiplicative fashion. I am just stating what works for me. If the engine is started with the starter Position 2: Cold engine start- choke in position 1, the starter choke ambient temperature at 0°C should be returned to position 2 to warm 30°F —30°C 90°F and warming. I guess it just boils down to personal preference. But what is the proper amount, and how do you know a quality oil from a bad one? Opening the throttle abruptly or releas- Improper use of the brakes or shifting can ing the clutch lever too quickly.
Real world applications are that I have yet to rebuild a motor because of a richer oil mix ratio- always the other way around. Just got a Banshee a few days ago, first one ever owned and this may be a dumb question but here goes. Depending on the way the motor is built, going to premix could possibly accelerate wear on certain critical parts. To raise the beam, turn the adjusting screw in direction a. Block up the frame to raise all wheels off B.
Stop the engine and release the clutch lever. Ignition dry cloth Remove plugs and Spark good Ignition system normal. Lastly, what is a good ratio? Our advice then, is to buy a quality oil and run it at a moderate ratio. The oil wont make any huge difference so long as you are using a quality oil. But if I had to guess, it would probably be somewhere around a 32:1 ratio pretty standard. We used specially calibrated jets to ensure the fuel flow was identical with each different ratio, and warmed the engine at 3000 rpm for 3 minutes before each run.
If the combustion chamber temps are too low, such as in an engine that is jetted too rich, the oil doesn't burn completely. I never understood why people have opinions on the mix ratio of a product that it formulated to be mixed at a certain ratio by the manufacturer. I do use good quality Putoline oil, and she seems fine. Always be especially cautious on these kinds of terrain. It is probably best to avoid sustained periods of idle, or very low rpm running under no load. Pull it toward the handlebar to apply the Pull the clutch lever to the handlebar to disen- front brake. Follow the procedures for both carburetors.