Question about 2005 Yamaha XT 125 X

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My sons yamaha badger 1999 quad wont start . ive got spark . ive found oil in the air filter box

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Oil in thew air box, if it cam from the engine is a sign of wear. Do a compression test to see if the engine isn't worn, and if you can, look at the valve .(If it's four stroke)

Posted on Sep 27, 2009

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Posted on Jan 02, 2017

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1993 YAMAHA BADGER CRANK NO FIRE, HAVE SPARK FUEL IN TANK, SPRAYED EITHER IN CARB NO FIRE


Hi, Jay only thing left is timing and compression otherwise the usual suspects are:
1. Fuel tank empty.
2. Fuel supply valve/petcock turned off.
3. Fouled spark plugs.
4. Engine flooded as a result of overuse of the enricher.
5. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
6. Fuel valve/petcock or filter clogged.
7. Fuel line to carburetor or throttle body pinched or kinked.
8. Carburetor float stuck.
9. Fuel injectors clogged.
10. Severely discharged or damaged battery, you need 12.5 volts or better and be able to pass a load test if necessary.
11. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
12. Loose or corroded wire connection at the coil, battery or plug between ignition sensor and module.
Spark plug cables in bad condition and shorting, cable connections loose, or connected to the wrong cylinders.
13. Ignition timing incorrect due to a faulty ignition coil, ignition module or sensors (MAP, CMP, CKP, O2, TPS, ETP, IAC,or BAS).
14. Faulty neutral, clutch lever, or kickstand safety switch.
15. Faulty fuel pump or fuse or relay.
16. Faulty CDI box if applicable.
17. Tilt sensor needs a reset.
18. Security system not disarming alarm needs a reset.
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 nice day.
Badger wont start
ATV Connection
Yamaha Badger 80
http://www.maultechatv.com/techguides/Service%20Manuals/YAMAHA/Kodiak%20YFM400%2093-95.pdf

Jul 14, 2016 | Yamaha Motorcycles

1 Answer

Yamaha breeze 125 wont start.have checked spark plug & cleaned carb.My son got it bogged down pretty good in a mud & after we got it out it wouldnt start.What else could be the problem?


Have you checked for spark? That's where you need to go to first. Take out the plug, put it back on the plug wire and hold it against the cylinder head. Kick over the motor and watch for spark.

May 31, 2014 | RTO Quads 125cc Full Size Adult 4 Wheelers...

1 Answer

Oil in the gas tank


Not a big deal. Im assuming this is a 4-stroke push mower and not a leaf blower.
Remove the air box cover, air filter, and air box back plate. Careful there is a gasket on the back of the backplate that if damaged the primer bulb wont work, part # 272653. Remove the fuel line from the carb and drain the tank. Using a 1/2 inch wrench remove the bowl nut from the float bowl on the carb, hold the bowl to the carb as to not break the gasket seal, drain the bowl and replace the bowl nut. If you tried to run the unit and oil is in the cylinder remove the spark plug ( clean the spark plug) and spray some carb cleaner in the hole and pull the starter rope several times to purge the cylinder. Reinstall the spark plug, reattatch the fuel line, install the air box back plate ( leave the air filter and cover off for now), add fresh fuel.
Take unit outside and start, you may need to give it a shot of carb cleaner in the throat of the carb to help it start. It may smoke, it may blow oil out the muffler. Let it run until it quits smoking ( usually around 5 minutes) . Shut it off and complete assembly. It should be fine.

Oct 05, 2012 | Toro Lawn Mower With Toro Power Tools

1 Answer

Grizzly 350 wont fire


First check the fuses.check the start ,run switch,there should b some kind of protection for this..possibley a in line fuse??

Aug 07, 2012 | Yamaha Grizzly 350 4x4 07 Airbox Air Box

1 Answer

I have a wr 2004 250 it wont start ive changed the spark plug oil an filter an nothing it sounds like its going to start


Remove the plug and reconnect the coil pack to see if it has a good bright spark. If yes, do a compression test. If you are at least over 100 psi,see that your carb is clean, and not gummed up with old fuel.

Mar 18, 2011 | 2004 Yamaha WR 450 F

1 Answer

My 660 raptor quad is making like a humming/deep whistling sound when I try to start and won't start. It has good spark and new fuel. I noticed that the oil tank has built up pressure as I opened it the...


Sounds like the carb has over flowed and filled the crankcase with gas.
You will need to drain the oil, and re-fill it with new oil at the proper amount. Also replace the oil filter.
Clean the air filter and replace the spark plug.
Clean the carb, making sure the float and float needle are functioning properly.
That should fix you up!
RSRBOB

Jul 16, 2009 | 2001 Yamaha XTZ 660

1 Answer

49cc mini pocket quad wont start


if it has a kill switch make sure it is on, check that you are getting spark at the plug and have the right fuel in the motor.
Remove the air filter from the carbi and squirt some 2 stroke fuel directly into the throat of the carbi and try to start it.
hope this helps

May 19, 2009 | RTO Mini Quads

1 Answer

04 yfz 450 wont start with electrical start


i have a 04 yfz 450 quad. the compression ratio like yours is extremely high. ive had my battery go bad and found that another battery other than factory would turn over the engine, but would not start. i paid the 100 dollars for the factory battery and it fired right up. because of the high compression you need a high cranking battery.

May 04, 2009 | 2004 Yamaha YZ 450 F

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