foxhunter
17.06.2021 12:07:46
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Thanks for the info Matt. Just wondered which oil you use ? I normally
use quicksilver but am not sure if this is the best. here
Also is it common practice to disconnect the oil tank and pre-mix
instead ?
It is common practice to remove the oil injection. They will fail in time,
so if you mix your gas and oil, you can avoid a trashed engine. more
Run it 40:1. Your engine will be happy this way. I run this in my 650.
I myself use Maxima Marine Pro. The only problem with this is the smoke.
If you use Maxima Super M, which is synthetic, it will cut way back on the
smoke, but it costs a lot more than the Marine Pro. [links]
Charging coil output (Yellow to Yellow): 38V AC more
Yellow2 (Negative multimeter lead) to:
White: 1000-5000 Ω
Black: 2000-10,000Ω
Yellow1: ∞ Ω here
Yellow (Negative multimeter lead) to:
Yellow: 1.5-2.3 Ω
Black: 0.7-1.3 Ω
REGULATOR/RECTIFIER TEST here
2-Cycle Engine 40:1 Oil Mixing Steps (1 GALLON EXAMPLE)
1. The oil should always be added first.
2. Pour 3.2 oz pre-measured amount of 2-cycle engine oil into a clean gasoline container.
3. Add 1 gallon of gasoline to the 3.2 oz oil.
4. Seal the gas container and gently swish it until the oil completely mixes. Do not shake the gas container. Mixing too much oil in your 2-cycle engine is much less damaging to the engine than mixing too little oil. If there's only a little too much oil in the mixture, you may not notice any difference in your engine's performance at all. The important thing is that it's being lubricated. Smoky exhaust, oil out the exhaust tube, fouled spark plugs and loss of engine power are some of the symptoms that might appear if a lot of extra oil is mixed in the fuel. Fixing any of these problems is as easy as replacing it with fuel mixed at the proper ratio. Do not try to adjust the mixture of pre-mix by adding fuel or oil to an imbalanced pre-mix. [links]
How Long Does Gasoline Keep?
Using "new" gasoline in a gas-powered engine is not necessarily the same as using “fresh” gasoline. The gas that just came out of the gas-can might be “new” to the engine but if it has been stored for three to six months it might not be “fresh”. Old gasoline will break down and lose its full potency and will reduce the power output of your engine and can cause excessive impurity build-up in the engine’s parts.
While going over my Kawasaki JS440 owner’s manual the other night, it occurred to me the importance of fuel mixture ratios and using the proper type of 2-cycle oils for our vintage Jet Skis. Here’s a quick and dirty guide I wrote up for those out there that may need a refresher course in mixing 2-cycle fuel for the Vintage 300, 400, 440, 550 Jet Skis.
Hope this helps. Stay Vintage my Friends.
BigDawg
Engine Damaged by improper fuel mixture ratios
Running a 2-cycle engine without any oil in the fuel will completely destroy the engine in seconds. The engine's piston and cylinder become extremely hot without lubrication through the fuel system. Without any oil at all, the metal of these precisely shaped and sized parts actually melt and then transfer material back and forth between the piston and cylinder. When metal transfers between the moving parts of an engine because of heat, it is called galling. Galling distorts the shape of the piston and cylinder. You'll know that it's happened almost immediately, because the engine will seize and become permanently unusable.
Mixing too little oil in you 2-cycle engine will similarly damage your engine, but over a longer period of time. Lack of engine power is the most prominent sign that a 2-cycle engine is running on too little oil. Permanent damage can be prevented if the problem is corrected early, but such an outcome would be very fortunate. It is so important to mix your 2-cycle engine oil at the correct 40:1 ratio. Using fresh fuel and the correct oil/gas mixture ratio prevents potential problems.
You will need 3.2 ounces of oil for every gallon of gasoline for a 40:1 mixture ratio. [links]
Gas 40:1 Mixture Ratio
Every 2-cycle engine has a specific gas/oil mixture ratio; the Kawasaki JS440 and JS550 Jet Ski require a 40:1 mixture ratio. This 40:1 gas/oil ratio is displayed on side of the hulls gas filler cap. There are 128 ounces in one gallon, so divide the 128 by 40 and that will give you the number of ounces of 2-cycle oil you need for one gallon of gasoline. here
Launching a revolution, the world’s first JET SKI watercraft took to the water. These limited production models were powered by 2-stroke twin-cylinder engines pumping out plenty of thrust for waterborne fun. Featuring greater maneuverability than any boat and extremely shallow drafts, they set the standards for the personal watercraft of the future.
The first of Kawasaki’s 3-cylinder models, the 900 ZXi was powered by a newly designed 891 cm3 crankcase reed-valve engine fitted with a smooth-running 120° crankshaft. The combination of reed-valve induction and three separate carburetors delivered both highly responsive power at low rpm and screaming high-rpm performance on top. Other new features included electrically operated nozzle trim control that made it easy to adjust the nozzle angle to suit riding conditions. Advanced technology included a waterproof magnetic ignition key, electronic digital ignition, a 3-bladed stainless steel impeller and adjustable rear-view mirrors. The 900 ZXi’s innovative design made it “Watercraft of the Year”. more
Released in Japan to commemorate Kawasaki’s victory in the IJSBA Runabout championship, only 300 units of this limited edition racer replica were produced. Based on the 1100 STX, the 1100 STX-Limited featured Kawasaki works coloring and 2-piece sponsons.
The updated 900 STX arrived. Improved power characteristics, the “cab-forward” design of the 1100 STX with enhanced ergonomics and larger fuel and oil tanks were just some of its many new features. [links]