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Author Topic: oh shit  (Read 459 times)

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Offline geopat

oh shit
« on: December 20, 2016, 10:42:56 pm »
Hey guys my 690 died on me after 35000km

my bike ran low on oil once due to worn exhaust valve stem seals that wasnt picked up in a service (stopped riding as soon as the warning light came on) but when she died she had done another 3000km and was full of oil seems a piece of the piston broke off and went through the valves. Anyone seen a failure like this before? The bike is busy being re built have you guys got any advice on what I can replace while its open to ensure she keeps going for as many miles as possible

Cheers

George
 

Offline Amsterdam

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Re: oh shit
« Reply #1 on: December 21, 2016, 09:31:38 am »
I have had a similar failure on my Kawasaki ZX10R.  Piece of a specialized high compression racing piston broke, destroying the valve and damaging the head.  Don't know why as that bike is always maintained in tip top condition.  Good luck with your rebuild.
KTM 500 XCW, Husqvarna 701, KTM 1190 Adventure
 

Offline geopat

Re: oh shit
« Reply #2 on: December 22, 2016, 04:37:37 am »
Thanks mate hopefully she will be good for a long time after this

and I managed to figure out how to resize pics so heres the damage
« Last Edit: December 23, 2016, 06:20:19 am by geopat »