Question about 2000 Yamaha DT 125 R
Hi I have oil coming out of the breather pipe on the crankcase on my DT 125 R when it warms up
Hi, Andy your oil tank may be overfilled for more information about your question and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
YAMAHA DT125R Owner Manual
OEM parts for Yamaha
Yamaha DT125 DT125R 1988 2002 Workshop Repair Service Manual Download...
Posted on Jan 08, 2017
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Posted on Jan 02, 2017
SOURCE: oil out of tail pipe
This is not uncommon.
Things to check first would be your fuel mixture. You might be running a bit rich. You should be using a mix of 3.5 percent synthetic oil.
Being a 2 stroke, the tail pipe cartridge needs replacing from time to time, as it does collect oil with time. If the bike is a bit noisey change the packing.
Always remember that there is oil in fuel used on 2 strokes.
Lastly check the type of oil you are using. Mineral oil does tend to be a bit messy as the mixture requires around 5 percent oil.
Most off road stores now keep good LOW SMOKE oils such as Motrex.
Stick to good synthetic oils !
Posted on Feb 16, 2009
the problem arises in this situation because the water system is mixing with the oil system? if i am right in thinking that this is an liquid cooled version with the infamous powervalve system then you might find it usuially has something to do with that. if you keep running th engine then you will find out that it will do lots of damage to your piston which relies on oil to move and cool.
Posted on Feb 24, 2009
You know aluminum can be welded very successfully now, so best bet is to remove that case and take it in to a good welder..You can ry the quick fix (JB Weld) is what i recommend, but success is rare !....good luck to you my friend...Tim
Posted on May 10, 2009
Clean out your cooling system, flush it and make sure the radiator is not clogged. You could be overheating due to a clogged up radiator. If you put your hand on the radiator, it should be the same temperature all around. If clogged up it will be colder in the middle and very hot where the water comes in from the engine. CAUTION not to burn yourself, use of IR thermometer recommended.
If that's not it, then check your head gaskets.
Posted on Oct 19, 2009
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