Vintage mx restore pics.

[D.T.]

Sweet! I'd really like to go see some vintage MX races this summer. Can anyone point me in the right direction?

[pvangel]

Google AHRMA to see if they hold races in your area( I'm sure they do) or stop by the local track and ask around.

Most tracks here in the Northeast offer vintage classes during there regular race days, go check it out and then just look for an old guy with a Bultaco Tshirt and a smile from ear to ear and he'll fill you in.

Good luck!

[D.T.]

Looks like road america has races about 350 miles away from me...

http://www.ahrma.org/ahrma_pdfs/Z-20...a_Preview.html

http://www.youtube.com/watch?v=NVHhr...layer_embedded

[kenny61]

Took the frame to my buddy's body shop only to find out they got rid of the coarse sand and replaced it with fine cause it is easier on the guns

2.5 hrs later and I got a lil more to go..

[pvangel]

WOW! Looks great Kenny! Thanks

[Cat Daddy]

I don't know if it applies to your frame, but I coated an 84 model CR frame last week and there was a good bit of rot on the lowest part of the frame.It looks pretty similar to yours. Quite surprising here in Texas. It required welding patches over the tubes on both sides. You might poke yours thoroughly to make sure it's solid before you go any further.

[pvangel]

Thanks Cat Daddy!
I did check the frame and there is some minor denting and scrapes on the bottom but seemed ok.
One of the reasons i strip a bike down in the winter is to inspect it and check everything out on the bike. If I am going to jump 80' doubles on it I have to be confident it is ok. I love to make them look good but really my restorations are about making sure the bike is safe. Metal fatigues in 23 years of use and case in point is the magnesium engine cases are failing on many of the vintage bikes, the cases on 79/80 RM 125's won't hold a main bearing for long anymore because the metal is getting soft.
I really do look at each part of the bike and check it for cracks and wear then reassemble with new bearings and grease to protect and preserve for the future, I don't do a living room or Museum restoration because I know after one ride it is gonna get dirty, which is what I want!

Here's my 80 RM 125 after a winter service which I have since sold,

[pvangel]

My sons 99 yz 125 before pic,



And after,

[kenny61]

hey you got a staple gun that can do a seat?

[pvangel]

Of course I do, Bring it over and we'll do it. Seats are one thing much easier with 4 hands.

[ADK]

On the soft metal subject ; have you heard of deep freezing parts? supposed to realign the molecules and harden the metal.

[CoyoteCowboy]

They cryogenically (sp?) treat parts nowadays, though I'm not sure how well it would work on something like an engine case... It seems like GM was cryo-ing con rods on the LS7 motors along with doing the cracked rod cap trick when it was introduced. It might be worth Googling

[pvangel]

There is a company in Cali that welds a bead around the races and then machine's it out to accept the stock bearing which supposedly works well, It costs $2-300 to get done which is not alot but it's another expense.

The Magnesium cases on the late 80's Hondas start to crumble where there is contact with anti freeze, it litterly falls apart in your hand. The fix is to spread JB weld over it and then grind smooth. I just found out that the 90-91 cases fit the 89 and are aluminum not mag and don't deteriate.

[pvangel]

Found these to fill in those ugly holes in the airbox, which had been duct taped up.





A little Rustoleum to finish them off,



Should have that factory look when done.....

[kenny61]

Hey Phil I sat on my phone and crushed it, Diet time I guess

Anyway Im gonna finish the frame tomorrow am. Just post up or pm when you want it back by. If you want it tomorrow I'll bring it back bare. If you can wait till Monday I should be able to get it primed by then but not sure about paint