Destruction...

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offroadfan
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Joined: Wed Mar 10, 2021 10:41 pm

#1 Post by offroadfan »

Here are the pics of my case after its first trip after break-in.... and after all the money spent replacing nearly everything INSIDE the motor. Guess thats just how it goes!...


Oh yeah, just wanted to add that this engine still ran!







Kuma
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Joined: Wed Mar 10, 2021 10:41 pm

#2 Post by Kuma »

Man that sux, and my motor is just now about ready for it's first trip after it's break in. Mine is also a cable clutch case ohmy.gif

cannondale27
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Joined: Wed Mar 10, 2021 10:41 pm

#3 Post by cannondale27 »

What the heck happened!

2000ex
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Joined: Wed Mar 10, 2021 10:41 pm

#4 Post by 2000ex »

Go to the store and grab some JB weld, you will be all set

cannondale27
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Joined: Wed Mar 10, 2021 10:41 pm

#5 Post by cannondale27 »

One like that makes me wonder if the crankplate is fitting properly in the case. It's the only thing that would stress it in that area. I wonder if installing without the guide pins also would add to stress if its not clocked right?

thedeatons
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Joined: Wed Mar 10, 2021 10:41 pm

#6 Post by thedeatons »

That'll buff out...

rayspeed
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Joined: Wed Mar 10, 2021 10:41 pm

#7 Post by rayspeed »

"Dude we can fix it... my dads a tv repairman and he has an awsome set of tools"

kdeal
Posts: 4
Joined: Wed Mar 10, 2021 10:41 pm

#8 Post by kdeal »

I've only seen one other case like that....It was the original case in Wistech's St Anthonie's quad. He was spinning the tires on the ice under a bridge and hit a patch of snow and got killer traction wide open in 5th gear. Twisted it like a pretzel. It's hard to tell but that could be one of the cases known for cracking, but I never saw one do anything more than crack...not implode. I do see that the crack goes right thru the area known to start cracks on the back wall above the crank bearing.

wistech
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Joined: Wed Mar 10, 2021 10:41 pm

#9 Post by wistech »

Yep mine ripped open just like that. Pretty cool It still ran and you could see the crank spinning away through the crack.. Lots of oil sparying out though LOL. Nothing damaged other than the case.

offroadfan
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Joined: Wed Mar 10, 2021 10:41 pm

#10 Post by offroadfan »

It happened when I was casually riding at the dunes. It died, I started it back up, went up and down a small hill pounded through a small set of whoops and then it got really loud, lol. I looked and oil was everywhere. It was crazy, when we got back to camp all the guys with us were checking it out and so I tapped the starter just to see if it was siezed.....and it started! haha. The crankplate was also broken into 3 pieces. Two pieces in the upper left part broke off. Also, the piston pin access cover stretched and broke at one of the places a bolt goes through. Other than that, its all good. So much for those brand new main bearings, plus now I have to replace every sinlge bearing in the case and crankplate :''''( Oh well, got my JD Case on the way here any day now. smile.gif

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