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If you fit a pod filter, or take the lid off the air box, you are allowing more air into the engine. Therefore, you must also allow more fuel to mix with the air. To do this, you must increase the jet size in the carburator. I recommend Dyno Jet brand jet kits. They will have all the parts necessary as well as tuning guidelines to follow.
Hi, Noel oil level readings are taken when the engine has reached normal operating temperature and the usual suspects are:
1. Overfilled oil tank dipstick reading should at or below full.
2. If the sight glass is full you are running to much oil.
3. Excessive blowby caused by worn out piston rings.
4. Piston rings never properly seated.
5. Faulty breather valve or system.
6. Pinched or clogged breather line/hose.
7. Clogged or failed oil filter.
8. Contaminated oil dirt-rust-water etc.
9. Excessive oil foaming.
10. Wrong oil type not designed for your bike.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a wonderful day. Engine Oil in Airbox crf250r XT250 air filter box removal Yamaha XT250X Service Manual OEM parts for Yamaha Yamaha XT250 Owner Manual
Hi, Anonymous if your bike has been sitting idle for months or years and you did not do any pre-storage maintenance I feel your pain it will probably have a dead battery and not want to start or if it starts it will idle and run poorly, here are the following steps necessary to complete in order to get your bike back to an acceptable running condition.
1. If your battery was 3 years or older when you last had the bike running you should replace it.
2. If you believe your battery might still be serviceable remove it from the bike and put it on a 1 or 2 amp trickle charger for 24 hours. If it is the old lead acid type with visible cells and acid levels fill each cell to the top line with distilled water and replace the caps, run the vent tube into a plastic or styrofoam cup, any cells that are cloudy/milky replace the battery.
3. After charging remove the leads and let the battery sit for a couple of hours then check the battery voltage with a volt meter, you should have 12.5 volts or better, any readings in the 11 volt range you need to do a proper load test on the battery and replace as necessary, any readings in the 10 volt range you have a dead cell and replace the battery.
4. Drain and flush fuel tank, google " how to clean a motorcycle gas tank" find a couple forums to view the different options available.
5. Remove your air cleaner and clean and re-oil per Mfg. specifications.
6. Remove the carburetor, disassemble and decontaminate with a carb dip or if you have EFI remove injectors and clean with carb spray and compressed air
7. Remove fuel valve and filter disassemble and clean as necessary, remove fuel lines and replace with new ones.
8. Replace spark plug with a new one and check for spark.
For more information about your issue and valuable free downloads that you will need please visit the websites below. Good luck and have a nice day. Carb Removal and Cleaning Ducati ms The Ultimate Ducati Forum R6 Remove tank carbs Tools needed part 1 Free Ducati Motorcycle Service Manuals for download Ducati OEM Parts Fiche Lookup and Online Ordering Ducati Maintenance
What kind of bike and has any work or aftermarket accessories recently been done? If not, check your air filter and clean thoroughly if needed. Look for abstruction in airbox and passages to carburator. has the carburator been adjusted in any way? If not the problem is most likely a lack of air rather than excessive fuel
G'day, I have a suggestion. It worked with no airbox( airbox lid I guess you mean). Then I would think that your problem would almost certainly be a blockage or restriction to the air flow entering the airbox intake. Look in the airbox,with the lid off-And see where the air enters the box- the air ducts on each side. Make sure these are clear of any obstruction. Check the air intake vent in the front of the fearing for obstructions. I feel pritty sure you'll find your problem here(I hope!). See how you go Kind regards Andrew Porrelli
The carburators are tuned for the pressurization caused by the ram air system. When you open the airbox, you lose that ram air effect and your engine runs rich, causing the poor performance. Put the cover back on and make sure it is secure and sealed. Your bike was designed to have the airbox pressurized and will lose horsepower and fuel economy if you take that away. If you want more air to the engine, replace the factory filter with a K&N filter.
It sounds like the slide in your carburator is not operating properly. You bike should be equipped with a Kehein CV type carburator. In order to check for proper operation, remove the air filter from the engine leaving the backing plate in place. Start the engine and allow the engine to warm up. From a safe distance, rev the engine while watching the piston. It should rise whent he throttle is opened. If not, the piston and diaphragm assembly needs to be removed and checked for holes. If no holes are found in the diaphragm, a thorough cleaning of the carb is in order. Check the intake and make sure there are no vacuum leaks. There is a vacuum hose that runs from the carb to the VOES switch. Make sure it is connected and has no holes in it. Good Luck.
Offhand would suggest a rebuilt/clean of the carbs. A temporary workaround would be to switch off the fuel petcock, remove the fuel hose, partially drain the carbs and spray into the fuel hose (going into the carbs) injector/carb cleaner. Reinstall fuel hose, turn on fuel. Remove the air filter and start the bike. After warmup, rev while spraying injector/carb cleaner into the opening where the air filter should be. Get a hard paper/board (such as a folder) cut to a size bigger than the air filter but would fit inside the opening of the airbox. Rev/pump the bike slowly building the RPM at about 4~5K suddenly cover the opening (with the board) to fully choke the carbs while maintaining throttle. Before the engine dies, remove the cover. Spray again while revving. Repeat choking/spraying several times. The idea is for the vaccum to draw the clog/blockages.
Pls post back result(s). Good luck and Thank you for using FixYa.
you're being pretty vague, but i'll try.
The hose you're probably talking about is an overflow hose off the air filter box. It's supposed to be there.
I would bet that you didn't seal the airbox properly and its running too lean.
check ur rubbers.