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blew my yz 250f up today :/

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Posted by: roCker---------------------

man, this sucks. Two days ago I changed my oil and oil filter on my brand spankin new 04 yz250f, less then 15 hours on it. anwyays, was heading too the motocross track, rode for about 4 hours, filled up on gas and on my way home, i guess somehow my oil drain cap got unscrewed, and was spewing out and didnt know... (was 5th gear cruzing) next thing you know it was locked up :/ im still under warranty for another 3 days but they said that its not a factery defect so they wont cover, 400-1600 dollars in damage. bummer eh?


Posted by: Senior KX Rider---------------------

Quote:
Originally Posted by roCker
not a factery defect so they wont cover, 400-1600 dollars in damage. bummer eh?


yep


Posted by: Matt90GT---------------------

Usually what happens is the plug in the top of the cylinder head on the right side of the motor falls out. On the 2001-2002 bikes there was a manual compression release there. 2003 + this is an option and there is a rubberized plug there. It falls out and you lose your oil!

You can get a special plug that works with the factory seal there from Thumpertalk or ****.


Posted by: twoofeach---------------------

I don't think he's talking about the plug on the top of the cylinder. Which yeah, that thing reminds me more of something that can be used to cap a gallon of milk rather than a motorcycle engine. I thought something happened to your valve train. The oil drain plug coming out on any engine is bad news...what a revelotionary contribution I've made.


Posted by: slideways11---------------------

A little safety wire goes a long way.


Posted by: showtime586---------------------

Quote:
Originally Posted by Matt90GT
Usually what happens is the plug in the top of the cylinder head on the right side of the motor falls out. On the 2001-2002 bikes there was a manual compression release there. 2003 + this is an option and there is a rubberized plug there. It falls out and you lose your oil!

You can get a special plug that works with the factory seal there from Thumpertalk or ****.


Yup, I have seen a few of these rubber plugs fall out. Mine stilll has the old compression release.



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