20 Most Recent 2000 Yamaha DT 125 R - Page 3 Questions & Answers

Matt, if you are sure it is mud, it must be entering because of a faulty rad cap, also make sure the over flow tube is directed away from splash and dirt. If it is not actual mud, may be something more serious. Check the attached links, "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info." blown head gasket or mud replaced coolant http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=542956 Overheating and new antifreeze looks like mud 1 2 EricTheCarGuy... Mud in the radiator

You can purchase a dye to add to oil, it will show leak location when you shine a light on it. Check the attached links, "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info." Using UV Dye to help find oil leak Tracer Products Dye Lite TP3090 0601 Gasoline Engine Oil Dye Reilly Auto... http://www.garagejournal.com/forum/showthread.php?t=89730 engine oil dye

Is your bike a one volt bike or a 12 Volt DC biker?
1. What state is your battery
2. What state are your wirings from battery to coil
3. What states are your wirings in overall?
4. How are the wiring connections, are they all tightly connected?
5. Turn on your lights and see if they comes on bright or dim?
6. Press your horn does it sound solid or last breath?
7.If you can unplug your spark plug wire, put the wire about 5 cm from the spark plug tail and see if any sparks jumps, good idea to do it in a dimmed area.
This are just a minor checking indicators as many causes can be the source cause of your problem.

5 Imperial gallon of gas to 200milliliters of 2 stroke oil.

if it is swimming in grey oil it means the water and oil is mixing so the problem is you gasket coz the water getting pass trough it.

Wow thats a vague question. To make the simplest of it, you'll need wire, a switch, a relay, and some connectors or a soldering setup. Do some searching and you'll find the info you're looking for. If you have more specific questions then you can ask them and get helpful answers

vaccum leak somewhere on the carb check to make sure everything is tight on the carb side and get back to me with results

check thru your wiring making sure no wiring is damaged or loose if no problem is found check the kill switch and key is on if they are set to start and still nothing put a new plug in and check for spark best done in the dark to see the spark put the plug on the side of the barrel and kick it over if you see a blue spark you have spark if not go back to wiring

sounds like slide in carb is stuck open could possibly be in backwards if ignition switch is wired correct it should kill engine

Fire, fuel, air. If you're missing one, the engine won't run. You have spark, or "fire" Now check for fresh fuel (a wet plug) and finally air flow to from the air intake filter to the combustion chamber. If everything checks out, you may have a timing issue or internal engine damage.

if it keeps blown gaskets my be ya water pump or water cog not working