Was first thought due to leaving fuel on and leaving on side stand for long periods but since changing oil and putting on a paddock stand seems to be happening again after only about 60 miles. Any ideas wot can be causing this?
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hi there these have the same problems as the bmw when on the side stand over a period of time the engine oil goes past the rings on the pistons on that side the side stand is only good for dropping in to a shop or something like that,so if your putting it up for the night or longer use your centre stand this should fix the problems a lot of bmw ownerswhen new would leave them on the side stand and go back to the dealer very upset because they had a dud motor untill they were advised of the problem,it was in the owners manual byt as bikes get sold on the manuals dont go with them,so try this and i am pretty sure the problem will go away ,cheers pete
Look underneath the transmission and you'll see two drain plugs. The drain plug for the engine oil is the one closest to the left front corner of the oil pan. Drain the oil with the bike on the side stand. Change the oil filtter. Refill with three quarts of 20W50 oil. Check the oil level with the dipstick while it's on the side stand. There are two marks on the stick. The lower mark is 'FULL COLD" and the upper mark is "FULL HOT". Do not overfill.
Don't forget to change the primary oil and the transmission lube when it comes due.
What you are dealing with is a vacuum petcock with a bad vacuum diaphragm , in this case fuel is bypassing the petcock via the vacuum line and filling the engine (oil) with gasoline. If you have a standard petcock that is leaking (not shutting off properly) or just left in the on position a stuck float needle will also fill your engine (oil) with gasoline. This can happen with a clean carburetor and a good float needle. It just sticks and you have to change your oil. If you have the kind of fuel petcock that allows you to turn it off when not in use , always turn off your gas when not riding. You will have to change your oil if it is fouled with gasoline. I suspect a vacuum operated petcock is at fault. With standard petcocks I have seen new motorcycles in perfect order stick a float needle ( Kei Hin Carburetors ) and fill there engines and air boxes with gas/oil mix. On vacuum petcocks the diaphragm that shuts off the fuel flow is usually leaking and at fault.
Most Goldwings smoke if you park them on the side stand. I always use the center stand, Like wise if you have a stuck float or a bad float needle gas will run through the cylinder and out the exhaust valve into the muffler if you do not shut off your gas when not riding. This would cause raw fuel in the exhaust. If leaking on the center stand, more gas ends up in the oil. Check to see if you have more oil than you should in the crankcase. If you do change your oil . If this happens all the time you probably need to rebuild your carbs and change your fuel filter.
Check your float height on the carbs. If it's not set correctly it will continue to flow fuel because it hasn't reached it's shut off point. Also I would check the jetting you may be running rich, but if the bike ran fine before it was parked I would say the float is you point of issue.As far as the oil frothing? that doesn't necessarily mean you have fuel in the oil. Air in the system will give you a similar look. If the bike has been sitting for a good period of time, it's common to have the frothing appear until the oil pushes all the air out of the system. If it's fuel, your oil level will be getting higher too, so check for that.
Oil change (no filter) Unscrew the 17mm head bolt underneath on the kick stand's side and the 13mm head bolt under the exhaust pipes (facing forward). After draining put back on the bolts. Torque values: 13mm bolt---12Nm 17mm bolt---30Nm Then pour from the upper cap on the frame 2lit of the appropriate motor oil, close the cap and start the engine and leave it idle for 5 minutes.Then switch of the engine and add 800ml more oil and you are done. Total oil capacity (without oil filter change) 2.8lit with oil filter change 2.9lit but you need to bleed the system from the small bolt on the filter's cap after adding the first 2lit.
You over filled it, depending on the type of dipstick you have, the oil is checked either on the side stand or with the bike upright. If you have the type of dipstick that is floppy (the stick part flops around) you have to check the oil while the bike is on the side stand.
Regardless Softtails hold 3 quarts of oil, if you add exactly 3 quarts after draining the oil bucket and changing the filter the oil level will be correct (unless the oil has sumped).
The other thing that happens sometimes when the bike sits for any period of time without running the oil can sump from the bucket into the engine crankcase. If this happens it will look like you are low on oil, so if you go adding oil and then run the bike it will unsump and overflow the bucket making a hell of a mess.
Put the bike on level ground, support on stands, switch off petrol and drain the carbs. Close the carbs and using the pipe from the tank (disconected) to the carbs fill with a quality carb cleaner and leave overnight. Drain the carbs, connect everything back up and start up. Try and get into the habit of switching off the petrol before you stop the engine, just to partially drain the carbs, esp'ly if you intend to leave for any period of time.