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wwoberg wwoberg
7/18/2017 3:56 PM

Piston Failure at 10 hrs. Dang it. Hit the valves, bent the crank, ruined cylinder. So far looks like:

Piston (rings, wrist pin, circlips, etc)

Probably around $2K in parts.

What should I do? Fix it? Can you buy whole engines? Part it? Chassis just sitting here? what would you do?

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imoto34 imoto34
7/18/2017 5:21 PM

Sucks to

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HenryA HenryA
7/19/2017 12:55 AM

AF build!


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Turbojez Turbojez
7/19/2017 2:14 AM
HenryA wrote:

AF build!

Did this bike have 10 hours since new? Anyway, that sucks man, gutted for you.

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wwoberg wwoberg
7/19/2017 3:26 AM
HenryA wrote:

AF build!

Turbojez wrote:

Did this bike have ...more

No. 10 hrs since last piston replacement.

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mxtech1 mxtech1
7/19/2017 11:49 AM

Sucks to see this. Average folks can't afford a $2K rebuild on a moments notice. These types of things are what is forcing people out of the sport.

My advice is to bite the bullet and repair the motor. Buy parts over time to help reduce the pain.

You are unlucky in the fact that most engine failures are not this bad and it is uncommon to see a piston break after 10 hours from rebuild.

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Acidreamer Acidreamer
7/19/2017 1:03 PM

Rebuild the motor. Will probably cost more for an af conversion. This time use a wiseco piston. Forged is stronger than cast.

2009 Kawasaki KX450F
2009 Kawasaki KX250F
2002 Suzuki GSXR 600

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adam8781 adam8781
7/19/2017 8:47 PM

i dont know if the piston is the blame, normally when you see a rod bend like that its because a piston c clip fell out and the piston pin caught the bottom of the cylinder as it worked it way out

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Bruneval Bruneval
7/19/2017 9:10 PM

If it was mine, I'd find a used cylinder on eBay and buy a rod kit, piston and the stainless steel valves and springs. You're going to need valve guides too, the seats re-cut and maybe decked depending on damage. No way of avoiding spending on the parts, but you could do the work yourself (with the exception of the crank) to save on labour costs and you might enjoy the experience of learning how to do it. Don't forget to replace the cam chain too.

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wwoberg wwoberg
7/29/2017 6:12 AM

I found a wrench rabbit kit for a 2013. It will fit the 2014 correct? just wanted some more verification.

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walent215 walent215
7/29/2017 6:49 AM
wwoberg wrote:

I found a wrench rabbit ...more

Yes, same kit. If you havent purchased already i can get you that kit for $675 shipped. You can text me @ 760-608-1688.

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