Maintenance & Technical > KX500 Original

Cracked sub frame?

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FastKX500:
Yea i was riding today with some friends and i was crusing down this trail and all the sudden i almost slide off the back of my bike, the bar that holds my seat on like right above the air filter cracked and broke off, there was only 1 bolt holding it on..so there was too much pressure and it cracked the other bolt and some of the metal frame right off...has this ever happened to anyone else? I dont know what to do...I guess find a good welder? I was thinking bout getin the whole frame powder coated anyway...i dunno  :?  I had to ride the whole way back standing up  :x   :evil:

kawdude:
Watch ebay.  You can usually pick one up for under fiddy bucks.

NastyNick:
sounds like the subframe to me.  I suppose a good welder can fix it up for you, but in my case the dfo totally hammered the subframe and I had to get a new one.  OEM was like $350+ so I picked up an AC Racing subframe for $150.  Works like a charm

FastKX500:
yea..I didnt actually crack the subframe, I cracked where the subframe bolts on above the air filter...there was only 1 bolt in on the left side and nothing on the right, so there was 2 much stress on the left and crack the side right off... SHOULD I TAKE A PIC?

Rick:
I had a crack after a crash.  Added a small plate to support the crack on the inside of the sub frame so it would not interfere with anything else.  Welded it all up, and painted it KX green once again.  Never had another problem.  

I'm cheap, so would just fix it myself.  However, if you have to pay a welder, it might be more cost effective to purchase a new one.  Ebay is a good spot.

Rick

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