1982 CR480 parts

TerryK
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TerryK
Edited Date/Time 6/5/2012 12:52pm
Well, I wasn't really looking for a project, but a free CR480 just fell in my lap a couple of hours ago, extra frame and engine lower end included. Any advice on where I can get reproduction plastic, seat cover, paint etc? Who's the best and who's the most reasonable price wise? Anyone have a decent gas tank for sale?
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TerryK
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TerryK 4/28/2012 2:10pm
4/28/2012 2:10pm
Thanks Newmann! I knew you would be first to answer. Tongue Hows the quality of the VMX plastic?
croom mx
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croom mx 4/28/2012 2:53pm
4/28/2012 2:53pm Edited Date/Time 4/28/2012 2:56pm
Last time I rode that bike, it was the worst thing I ever ridden, power sucked ,handling sucked, brakes sucked. what can I say? I rode all the bikes between 1978 and 1982
newmann
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newmann 4/28/2012 4:24pm
4/28/2012 4:24pm
VMX plastic is nice and shiny. Haven't had any break either. Good stuff.

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TerryK
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TerryK 4/29/2012 3:31pm
4/29/2012 3:31pm
newmann wrote:
VMX plastic is nice and shiny. Haven't had any break either. Good stuff.
Thanks Newmann. Here's another one for you. Some one painted EVERYTHING on the bike, including the gas tank. What's the recommended way to restore a plastic fuel tank?
newmann
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newmann 4/29/2012 3:48pm
4/29/2012 3:48pm
Aircraft paint stripper will remove the paint without damaging the plastic. Big question is how rough did they sand it before painting? Regardless you'll have to spend some quality time with it and some varying grits of wet sanding paper. Go as rough as necessary to get bad scratches, gouges and discolortion out and then progressively work with finer grits to remove those scratches. Finish up with a 600 or 1000 grit before polishing the plastic. You will need a buffer of some sort and automotive rubbing compound. Compound it to a shine then use a plastic polish with a polishing pad on the buffer to finish it up. Don't always expect them to look new either!
TerryK
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TerryK 4/29/2012 4:00pm
4/29/2012 4:00pm
newmann wrote:
Aircraft paint stripper will remove the paint without damaging the plastic. Big question is how rough did they sand it before painting? Regardless you'll have to...
Aircraft paint stripper will remove the paint without damaging the plastic. Big question is how rough did they sand it before painting? Regardless you'll have to spend some quality time with it and some varying grits of wet sanding paper. Go as rough as necessary to get bad scratches, gouges and discolortion out and then progressively work with finer grits to remove those scratches. Finish up with a 600 or 1000 grit before polishing the plastic. You will need a buffer of some sort and automotive rubbing compound. Compound it to a shine then use a plastic polish with a polishing pad on the buffer to finish it up. Don't always expect them to look new either!
Awesome! Thanks brother! I didn't think I could use a stripper on plastic. You saved me a ton of time Im sure lol.
scooter5002
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scooter5002 4/29/2012 4:08pm
4/29/2012 4:08pm
bannedcr500riders.com. Dumbass
TerryK
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TerryK 4/30/2012 4:36pm
4/30/2012 4:36pm
scooter5002 wrote:
bannedcr500riders.com. Dumbass
Sas-snatch: last time I asked a question there I got the noob treatment and they hurt my feelings. Tongue
scooter5002
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scooter5002 4/30/2012 5:13pm
4/30/2012 5:13pm
Huh. Never got that when I joined. At all. I suspected you weren't man enough for that site. It is now confirmed. As you were. Silly Evil
TerryK
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TerryK 5/29/2012 9:33pm
5/29/2012 9:33pm
Tore into the 480 engine tonight. The last owner said it had a "small transmission problem". The top end was perfect, brand new piston and a almost perfect bore and the crank and rod look fine. About 90% of the rest of the engine is junk. I might be able to use the pressure plate, the countershaft, the kick start shaft and gear and the clutch cover. The rest is chewed, broken or ground to a fine silver paste. Trans gears, mainshaft, shift forks, shift drum, clutch basket and plates, kickstart idler gear, and both case halves are useless. It appears the last goon ran the trans without oil. There wasn't a drop in it, yet he said he recently rode it. lol

When I took the clutch basket off the mainshaft dropped a 1/2 inch. I could almost get the trans out without splitting the cases because both the mainshaft and countershaft bearing races were broken in half. Must have been a HELL of a crunch!!

Observe:









tnations
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tnations 5/30/2012 1:03pm
5/30/2012 1:03pm
I have had some experience with the 82 CR480 and engine rebuilds. When you start rebuilding the engine with your spare, take a very close look at the aluminum between the main and countershaft. The 82's were weak in that area and developed cracks in the very area where yours grenaded. In your first photo where the bearing race blew out you can see an almost straight line from the countershaft to the main shaft. That is where they crack. When I pulled my project engine down to replace the bearings it was cracked and separated at that point. I bought a used set of cases to replace and sure enough that set had a crack as well. I took that set to a certified welder (and engine builder) and he repaired it for me. Luckily it was before it started separating and the bearing pockets were still the proper size.
TerryK
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TerryK 5/30/2012 10:32pm
5/30/2012 10:32pm
Interesting! Thank you gentlemen, I will look at this area carefully.
TerryK
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TerryK 6/2/2012 11:01am
6/2/2012 11:01am
The spare engine is apart and it dosen't appear to have any cracking. These cases actually look extremely good. I'm wondering if I should have it welded up anyway as a preventative measure? What do you guys think?
MaxPower
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MaxPower 6/4/2012 12:46pm
6/4/2012 12:46pm Edited Date/Time 6/4/2012 12:49pm
Is it a 82 or 83 Terry? Either one is a cool bike. I'm glad you got it. Are you scheming on any vintage mx or is it a ice bike?
I can give you the email of some dude in the Philipeans that will make you a seat cover for 30 dollars. if he doesn't have th pattern yet, you send him your old cover and he will copy it and give it to you for free
TerryK
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TerryK 6/4/2012 8:38pm
6/4/2012 8:38pm Edited Date/Time 6/4/2012 8:39pm
MaxPower wrote:
[b]Is it a 82 or 83 Terry? Either one is a cool bike. I'm glad you got it. Are you scheming on any vintage mx or...
Is it a 82 or 83 Terry? Either one is a cool bike. I'm glad you got it. Are you scheming on any vintage mx or is it a ice bike?
I can give you the email of some dude in the Philipeans that will make you a seat cover for 30 dollars. if he doesn't have th pattern yet, you send him your old cover and he will copy it and give it to you for free
It's an 82 four speed. I want to make it look like a 80-81 RC 500 but we'll see. Either way it will probably end up as a ice bike. I also found a 79 250 that I may steal the nice aluminum tank from for the 480, orrrrr.......the 480 may get shoehorned into the 250 chassis. Tongue Saw this done before and it looks way cool.

I'll keep the seat cover guy in mind. Thanks!
TerryK
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TerryK 6/4/2012 8:41pm
6/4/2012 8:41pm Edited Date/Time 6/4/2012 8:46pm
MaxPower wrote:
[b]Is it a 82 or 83 Terry? Either one is a cool bike. I'm glad you got it. Are you scheming on any vintage mx or...
Is it a 82 or 83 Terry? Either one is a cool bike. I'm glad you got it. Are you scheming on any vintage mx or is it a ice bike?
I can give you the email of some dude in the Philipeans that will make you a seat cover for 30 dollars. if he doesn't have th pattern yet, you send him your old cover and he will copy it and give it to you for free
By the way, I'm going to need to see more pictures of that sweet looking Z1 in your avatar. Tongue
OW38B
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OW38B 6/5/2012 12:52pm
6/5/2012 12:52pm Edited Date/Time 6/5/2012 12:52pm
The last owner said it had a "small transmission problem".

Holy Smokes! That's like saying Mount Everest "is a little tough to climb".

Looking forward to the progress.

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