I need help here, my #2 exhaust port is dripping oil out of it, and I''m not running on more than cylinders 1 and 4 here. whats going on with this thing? I should add that when its running I hear a noise I cannot describe from the exhaust side cam area on the #2 cylinder, that sounds somewhat like a collapsed hydraulic lifter on a car. few of my pilots are damaged badly.
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Re: oil dripping out of exhaust port
Need to replace the carb rack or get them completely rebuilt. If cleaning doesnt help, and a few of your pilots are actually damaged to a point where removal is impossible without some manner of special tool you need.
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just coz you put youre thumb over the hole and you have compression does not mean that you have good compression find out what the maximum pressure is supposed to be and get a porper compression tool. oil from the exhaust is odd i think this could be v/v guides but it would not explain why exhaust is not getting hot.
I am not a Malaguti expert but your problem sound like a clogged exhaust canister on the header. You probably need a new one. You can make sure of that if you can get your hands on another, even used, one to swap and test.Once you take off the exhaust canister, check the exhaust port on the cylinder if it has reduced diameter from burnt and solidified oil. You need to clean that carefully not to scratch the piston or drop solidified oil into the cylinder. Also check your oil pump (if there is one) to be properly adjusted and not to overfeed the engine with oil. If you mix the oil with the gas in your fuel tank, never exceed 2% oil in the mixture. You do more harm than good.
Draining some oil is the thing to do. It will probably take a few days for the dripping to stop. The cylinder walls are splash lubricated. Too much oil lessens the splash. Chances are that little or no damage was done. Install a fresh set of spark plugs. Before installing, compare the spark between 1 & 2 cylinder. If the spark is noticeably weaker on cyl 1, consider getting a new coil. Please rate my answer. Thanks.
This tube comes from the Air Box. If the oil level is to high in the crankcase, the PVC port, which is located in between the "V" of the two cylinders is actually vacuuming the oil right out of the crankcase, and it is collecting in the air box. When enough oil collects in the air box, ti runs down the overflow tube, and drips out behind the rear wheel. To check the oil level, put a 2X4 under the side stand, make sure the bike is level, (a helper to steady the bike is a good idea here) look at the sight glass on the lower right side of the engine, down by the water pump. The oil level should be 1/2 way up the sight glass with the engine cold, and not running. If the oil level is higher than 1/2 way up, drain some of the oil out until you can see the oil level read 1/2 way on the sight glass. These engines only take a little over 3 qts. of oil with a new filter. If you are putting in 4 qts. of oil, it is too much. Earl
You don't " get a cylinder cleaned ". Who ever says that doesn't know what he is talking about. I assume the engine is a two stroke. The gas/oil mixture should be 32 to1. That means 4 ounces of two stroke engine oil to one gallon of gas. If the scooter has an automatic oil pump be sure there is oil in the oil tank. It should automaticly pump the engine oil at the proper rate. If this is an older scooter, you could remove the cylinder head and de-carbon it and then check the exhaust port to be sure the port has not been made smaller due to carbon build up. The port should be about 1/2" tall and 1" wide. Also check and clean the air filter. If it is a new scooter is it still under warranty?
Hi, when you change your pipe to the FMF you reduced the back pressure and gave it more flow. That causes it to run a little "rich". Look at your spark plug and check the color of it, it should be a nice tan color. If its a dark brown then you need to "lean" out your bike. The easiest way to do that is by taking the slide out of the carb and taking out the main jet, the lock washer is set to the middle position for a stock set-up. Move it down 2 notches and then run it and see what your plug looks like. The black "goo" is the unburned oil from not running lean enough. Another trick to try is run a NGK-EV plug. it burns hotter so it will help with the oil problem (and make it a little more snappy also). And as an added bonus it will be easier to start.