You had one job...

[kdx Geoff]

Things I've seen (not done) 

[Nathan S]

My 84 KX125 motor ran really badly, and was totally insensitive to jetting and timing changes - turns out that some champion had put the piston in backwards.

More recently, I bought home an '01 KX125 with the piston in backwards - this is less of a crime considering it's a case reed motor with a full length skirt on both sides, but the really impressive bit was the head gasket made of blue silicone...

[500Fool]

Nice bit of welding on that sprocket, yoo can tell he was an expurt as all small welds, didn't get it too hot thereby destroying the seal. 

[cyclegod]

It's true... dyslexia and tank stickers don't mix

[Moto]

I recently bought a 89 350 ktm with an enormous amount of spoog around the front of the motor.Took the pipe off and yes two big holes looking at me.Piston in back to front.The PO is probably still trying to figure out why it ran like a dog.

[TT5 Matt]

i brought a dt400h motor off the local wrecker and its piston was arse about too.but the reason it stopped and became wrecker stock was the chain came off and stuffed the cases so much that it had no clutch arm.the things people do and some people just shouldnt own tools

[kdx Geoff]

[Andrew L]

That sump job welding gives cocky sh!t welding a place in acceptable welding skills.

[FourstrokeForever]

Yep, some people shouldn't have access to tools.....or air for that matter!

The YZ with the backward forks reminds me of an old acquaintance I use to ride with. There was no convincing the fool that the reason the forks on his RM370 were called leading axle forks was because the axle is in front of the fork....not the other way around  He reckoned the bike turned better with the forks backwards!

[mick25]

The yz does look a bit diffrent with the forks turned around , i have seen a usa flat track bike set up the same way .
It would turn better with the trail and rake , foot print changed but still looks odd .

[Nathan S]

Forks on backwards reminds me of the old Scott Bishop quote: "it looked like it had a head-on with itself".

[crash n bern]

The yz does look a bit diffrent with the forks turned around , i have seen a usa flat track bike set up the same way .
It would turn better with the trail and rake , foot print changed but still looks odd .

I intentionally did this on a XT500 once as an experiment to see if it would turn better. They were known for too much rake, It was an early model with later model leading axle fork so the rake was even worse. It did look weird though.

[sleepy]

The yz does look a bit diffrent with the forks turned around , i have seen a usa flat track bike set up the same way .
It would turn better with the trail and rake , foot print changed but still looks odd .

Trail would have increased but the rake wouldn't. The increase in trail would have made the steering a lot heavier and more straight line stable but I doubt it would have turned better.

[TT350]

ha!  Great pics, great thread

[kdx Geoff]

Apparently this blokes job was to remove this nut from a tube socket while it was still on the rattle gun...