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Timmy_805

Did I blow my bike up?

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I have a 2018 450SXF. It has 15 hours with the oil changed every 5 hours. I was riding earlier with my sons showing them how to do a turn track. I was riding around pretty slow in first gear for about 15-20 minutes. The bike felt warmer than it normally does. I stopped to watch my son ride for a minute and when I started the bike it started normally. I went to take off but I was in some soft stuff and I stalled it. Immediately it had steam coming off the engine and it seemed like water everywhere. It smelled like coolant. I tried starting and it started fine but I shut it off immediately. Did I do something terrible? Sorry for the newbie question but I’ve never had this happen before and I want to make sure I’m covering all my bases. Thanks guys.

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It should be fine.  Just overheated it.  Worse case you may have warped the head but that is somewhat unlikely and a blown head gasket will be obvious.

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Posted (edited)

Refill the coolant and monitor for coolant level dropping or visible leaks during and after the next ride,

keeping in mind you may loose a bit of coolant if you overfill the radiator but the level should stabilize and not drop any further after 2nd outing.

Edited by mlatour
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On ‎3‎/‎14‎/‎2019 at 10:55 PM, HevyRotashunz said:

No. It's fine, all ktm 4 strokes will overheat and puke a little coolant if you ride them slowly. You'll need a pipe and a vortex ecu to make it run right. And maybe a fan. Or just ride faster.

Not with an SX and yes a fan if you ride off track often.

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