200

These posts document restoration experiences of our members

Re: 200

Postby snocatpete » Mon Jan 14, 2019 8:48 pm

After a complete disassembling, a good cleaning from top to bottom is required in order to see any and all cracks and any other damage hiding under all that dirt!
The frame's sheet metal has many cracks in it, all of which can be repaired. The engine mount holes on the frame are badly cracked and broken out. A very poor attempt to repair it was done with some metal plates welded over the holes and the holes looked like they were cut out with an axe.
This is why I debated over whether or not to just clean the 200 up and make it a good trail rider or go forward with a full restoration. The front “fender” is so dented up and the cross tube is completely gone. I am not sure if it is worth trying to straighten it out or just replace it with a new one. Either way, it has to be removed in order to repair it.
After removing the rusty plates and cleaning up the frame and seeing the extent of the original damage, I used a mig welder to fill in all the cracks from both sides (top and bottom) and I used a die grinder to smooth off the excess weld, leaving it as good as new.
I also use this diagram to make sure the adjusting holes are in the correct location. This diagram is just a guide and may vary between machines.
I welded all the cracks in the sheet metal and filled in all unnecessary drilled holes. I also repaired the 4 track guides at the front sprocket that were badly damaged - one was completely ripped off. Another interesting part that was damaged that I have never seen before: one of the bolt holes that holds the end plate that holds the front axle in place was broken so effectively only one bolt would be holding the end plate to the frame. So this was a pretty easy fix. I cut the broken part out, made a new one and welded it back in place. Without a good thorough inspection, I probably wouldn't have caught this broken part.
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Re: 200

Postby snocatpete » Mon Jan 14, 2019 8:49 pm

Giving the frame a thorough cleaning.
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Re: 200

Postby snocatpete » Mon Jan 14, 2019 8:52 pm

Moving the old "frame repair" for the engine mounts
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Re: 200

Postby snocatpete » Mon Jan 14, 2019 8:58 pm

cleaning up the original damage and getting it ready for welding repairs.
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Re: 200

Postby snocatpete » Mon Jan 14, 2019 9:00 pm

repaired engine frame with welding and grinding followed with a coat of temporary primer. The two diagrams show bolt hole locations. As mentioned, this is just a guideline.
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Re: 200

Postby snocatpete » Mon Jan 14, 2019 9:01 pm

Removing front fender for repair or replacement.
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Re: 200

Postby snocatpete » Mon Jan 14, 2019 9:17 pm

This is the bolt hole that was broken and the repair done to it.
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Re: 200

Postby snocatpete » Mon Jan 14, 2019 9:21 pm

repairing front track guides
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