2020 Ktm 85 cuts out

Mark567890
Posts
6
Joined
9/14/2024
Location
midland, WA AU

My 2020 ktm 85 never had a problem then until one ride it just turned off. I had been riding threw puddles all weekend in the bush and when i got home around my house it turned off. I then tried to start it again it started then turned off shortly after so walked it back when i got it home i flushed tank, flushed carby, wd40d electrics and replaced reed pedals. It starts but turns off after 20 seconds of running, it also is throwing heaps of white smoke. Then checked spark plug every time after we try start it and its fouled up with oil. Also checked piston, cylinder, and rods all in working order. any help would be great. 

cheers Mark

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Ktm 85 cuts out

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FGR01
Posts
5436
Joined
10/1/2006
Location
AZ US
Fantasy
697th
9/14/2024 9:31am

Sounds like maybe you overheated and blew the head o rings and are now sucking and burning coolant.  Remove the radiator cap and start the bike and see if compression bubbles are coming up in the coolant.

Mark567890
Posts
6
Joined
9/14/2024
Location
midland, WA AU
9/14/2024 10:26pm

definitely didn't get hot but ordered new gaskets anyways. thanks

Mark567890
Posts
6
Joined
9/14/2024
Location
midland, WA AU
9/15/2024 4:18pm

At the moment I'm assuming its a stator. Not sure where the ck plug is located ?

The Shop

Factor E
Posts
857
Joined
9/22/2011
Location
So Cal, CA US
9/15/2024 6:53pm
What does spark look like? Strong or weak Just did one had wrong plug, bad tip of coil wire into boot, bad connector on coil Check these
Mark567890
Posts
6
Joined
9/14/2024
Location
midland, WA AU
9/29/2024 5:33am

Hi all just replaced base gaskets, wrist pin bearing and new head O-rings. Also put spare ignition coil on. still not working and cutting out after 30 seconds. Its not fuel or air or anything internal. ???

Cheers

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