Air filter changed air filter on my bike and it's running rough there is a thick hose in the back of engine but no place to put it any ideas

Vacuum Hoses

• A loose or broken vacuum hose causes rough idling, and is the easiest repair of all. This is a very common problem since hoses wear out over time. Look in your engine compartment, and examine the hoses carefully for any signs of abrasion, breaking or loosening. Replace any damaged or broken sections of hose, available at most auto parts stores, and your rough idling will more than likely disappear.
  

Clogged Filters

• Clogged filters are another common cause of rough idling. Inspect your air filter. If dirty, replace it. Also, a clogged fuel filter causes rough idling. It's hard to tell if a fuel filter is clogged or not, so a good rule of thumb is to change it at every general tune-up.
  

Electrical Components

• Bad spark plugs, bad spark plug wires and a bad distributor cap are other common causes of rough idling. If it has been a while since you changed these components, do so. Most auto service centers can do this for you if you need technical expertise.
  

Timing Belt

• A timing belt jumping a tooth is also a cause of rough idling. This throws off cam timing, setting in motion a series of events that prevent your engine from achieving proper timing. This is a more in-depth repair and, if needed, should be referred to a qualified auto mechanic.
  

Did you clean the air filter ?. The bike will miss like hell if it is starved for oxygen.
The Air filter is normally a sealed box with a curved air intake and a rubber hose connected to the carburetor. Open the box and clean the sponge filter with petrol and squeeze it dry before reassembling. If you have access to 2T engine oil dip the sponge in it and squeeze dry before reassembling.Back firing does not indicate starving for fuel .

oil in airbox usually means tooooooo much oil...way too much. check oil level (bike upright) replace air filter

"Oh, and now I can\'t even read the oil level on my dipstick due to the fact it is significantly LOW" This is not a good sign. Now, my expertise is NOT on the Twin Cam bikes but I do try to help when I can. In your case, if your engine were an earleir Evolution or Shovelhead engine, I'd say that you had sheared a scavenge gear drive key in the oil pump. Now, I do not know a thing about the oil pump in a Twin Cam as I've never worked on one. It sounds like your oil pump is not scavenging (sucking) the oil out of the engine and pumping it back to the oil tank. Once the pump pumps the oil into the engine, it stays there. Thats why you're seen the "massive amounts of oil spitting out of the little hoses behind the air cleaner". Take your bike to a dealer or qualified shop as soon as possible and I'd refrain from running it. An engine full of oil would also expain why the engine does not want to run as well.

Good Luck
Steve

Hello angel 003801, if the car was running rough, and had acceleration issues before you changed the throddle body, I strongly recommend you get a new air filter. Many people are unaware that the air filter is like lungs to your engine, your engine needs a good mix of fuel and air to perform at it's peak. Also, most 10 minute oil change companies do not change the air filter, at best, some of them may take it out, hit it against something to clean some of the dirt out, and then put it back in.

If the engine seems to run better after putting in the throttle body I would still change the air filter if you haven't done that in a while. Also, make sure that the throttle body is mounted securely with no leaks, look around the area of the throttle body and make sure you didn't accidently knock of a vacuum hose, ( vacuum hoses are very small, usually black hoses, and there are several in the general area of the throttle body. If you should find a small hose that has one end that is not hooked to anything, look around for a small nipple that it may have come off of.

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Thank you!

turn the bike on and fuel comes out of a line behind the air filter. Can you tell me where that line is supposed to go

Your mower should definitely have an air filter whether it is paper or foam, and you should drain the oil from the bottom, not turning it over. turning it over can get oil in places where it shouldn't be and make it smoke or not run at all. It may need carburetor cleaning and spark plug cleaning or replacement, or the flywheel key may be sheared if it runs rough

Hi there Dave
I would check Carby setting. Like float levels, Mixture screw setting. These can make the bike run
roughily. Also the spark plugs settings, eg not right gap or heat range or ever reach. One other thing
is vacuum leak eg from a vacuum hose ( this usely makes the bike run rough all the time) Simple way
to test this is use a can of WD 40 & spray over the vacuum hoses & if it stops the problem for a short
time you need to replace the hose or fix the leak. I hope this helps your problem, if not please put up
some more info on what you have done to help you There is many little things that can course is
problem.
Regrades Lighten

If the old spark plugs are real clean you can use them otherwise put in new ones. Put all the plugs back in the engine and connect up all the plug caps to the plugs. Check the air cleaner and air box. Make sure mice or bugs haven't gotten in there and built a nest plugging up everything. Look at the air cleaner. If it's a paper type blow it off and use it until we are sure the bike will run and the gears work. Then get a new one. Paper tends to plug up, as it ages. If it's a foam one, clean it in solvent. As you clean it, rub the foam somewhat roughly. Not too roughly, just a little roughly. If the foam starts to come apart in your hands you will need to get a new air cleaner. A lot of bikes must have that air cleaner in the system. If you leave it out, the engine may run too lean. This, of course, makes you think there is something wrong with the carb. I had an old Suzuki GS750 come in once. If you just took the air cleaner cover off, it would refuse to idle. Put it back on and it idled perfect. The owner put over 60,000 miles on that bike. Ran great, but it had to have that air cleaner on. I've seen a number of different makes and models do the same thing. Sometimes, even a crack in the air box can make them run funny. I've also seen a lot of bikes where having the air cleaner on or off made no difference in their running. If your not sure, leave the air cleaner in place while you work on the engine. ,,,