okay so i have a 1995 RM250. i was replacing the transmission oil one day and took it for a small spin. when i returned there was oil all over the engine. so i adding more oil and started it back up and found where it was leaking from, the cylinder union. as seen in the link. i asked a online representative over a biking website and he said to do a leak down test?
anyone know of any problems that would cause my bike to ';spray'; oil out of the cylinder union?
all i know is that it's a type of breather hose.
plz help its nice out and i wanna ride =D
http://i89.photobucket.com/albums/k207/sutton_13/oilleak.jpg
http://s89.photobucket.com/albums/k207/sutton_13/?action=view%26amp;current=oilleak.jpgOil spraying out of cylinder union? (RM250)?
It's possible you over filled the crankcase.
Hold the bike upright when checking the oil level (as if you were sitting on it).
The oil level check bolt is on the right side crankcase cover - it has a sealing washer on it.
Place an oil drain pan under the engine.
Remove the check bolt.
Slowly add oil until it starts to drip out of the oil level check hole.
Stop adding oil and replace the bolt.
Start and run the engine for a few minutes - to lubricate all moving parts.
Stop the engine and let it sit for a few minutes - to allow the oil to settle to the bottom of the crankcase.
Remove the oil level check bolt (bike standing upright).
Add oil until it starts to drain out of the check hole.
When the oil stops draining, the oil is at the proper level - install the check bolt.
It's also possible the right side crankshaft seal is leaking.
Pressure from the bottom end will blow past the seal and force oil out of the crankcase breather.
A leak down test will tell you if the seal is leaking.
A leak down test is difficult to perform on a 2 stroke engine.
It's less work to just change the seal.Oil spraying out of cylinder union? (RM250)?
my KX500 does that if I over fill the gear box... I'm assumin you did the same brotha...
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