BlackZ
Husqvarna
A Class
Hi! I'm new to this forum. I live in Finland and I have possibility to buy technically good Husqvarna CR 500 Silver Streak 1982.5 
It's not a show bike, it's been used on classic competitions. So it's technically good, but looks worn. They say that it is genuine Silver Streak. This is what I know about this bike:
- It's raced till these years occasionally and well kept technically
- I know it's original owner from Finland, but he had that bike only for one year during 80s, so he can't anymore tell how original it is still and he doesn't remember engine or frame codes that was in that bike. He swapped it to new 250cc after one year with Silver Streak
- Current owner bought bike at 90s, so there have been X amount of owner(s) between current and original owner.
- Frame is swapped during 90s, it numbered as CN-16590. What I understand, this is same frame that is used in 125-430 Huskys.
- Current tank is red, but that silver one comes with it. They took original tank off because of racing to "save" it for damages, but there are still some damages so it's not "mint".
Now questions:
- Original frame comes with it, but there are 3 frames that comes with it and current owner doesn't remember which of those frames was original. These 2 that comes with it are at least CR 500 frames: CN-19442 and CN-19374, right? But is other one Silver Streak frame, how can I know it?
- One of those frames is odd, I don't know what this could be: CN-08149, I'm not sure about that "0" on that number, because it is fainted, but looks like it could be 0.
- How can I identify that is engine anymore "monster power" 500cc Silver Streak? Or just basic CR 500cc? On engine, there are codes 2094, this should mean 500cc engine and after that 3 digits that are 315.
- What were the differences between basic CR 500cc and CR Silver Streak 500cc engines? I've read that maybe 44mm Mikuni should be on Silver Streak, is this correct and is it smaller carb on basic CR 500? But carb doesn't tell much, it can be swapped even to basic 500cc. Is there other differences that can be identified? Was the cylinder different or same than basic 500cc? How did they make it more powerful, and how I know, that it is still Silver Streak engine? After many years of racing, that original motor could be destroyed even before current owner that had this on 90s.
I would appreciate your help very much, I needed to register here to get help, because with Google I just can't find pretty much any identification methods for Silver Streak. They say that many Husqvarna enthusiasts have identified it as an Silver Streak and seller is trustworthy what I know, but if many have identified it as an Silver Streak bike and engine, how they can do it?
Best Regards,
Jari
Finland

It's not a show bike, it's been used on classic competitions. So it's technically good, but looks worn. They say that it is genuine Silver Streak. This is what I know about this bike:
- It's raced till these years occasionally and well kept technically
- I know it's original owner from Finland, but he had that bike only for one year during 80s, so he can't anymore tell how original it is still and he doesn't remember engine or frame codes that was in that bike. He swapped it to new 250cc after one year with Silver Streak

- Current owner bought bike at 90s, so there have been X amount of owner(s) between current and original owner.
- Frame is swapped during 90s, it numbered as CN-16590. What I understand, this is same frame that is used in 125-430 Huskys.
- Current tank is red, but that silver one comes with it. They took original tank off because of racing to "save" it for damages, but there are still some damages so it's not "mint".
Now questions:
- Original frame comes with it, but there are 3 frames that comes with it and current owner doesn't remember which of those frames was original. These 2 that comes with it are at least CR 500 frames: CN-19442 and CN-19374, right? But is other one Silver Streak frame, how can I know it?
- One of those frames is odd, I don't know what this could be: CN-08149, I'm not sure about that "0" on that number, because it is fainted, but looks like it could be 0.
- How can I identify that is engine anymore "monster power" 500cc Silver Streak? Or just basic CR 500cc? On engine, there are codes 2094, this should mean 500cc engine and after that 3 digits that are 315.
- What were the differences between basic CR 500cc and CR Silver Streak 500cc engines? I've read that maybe 44mm Mikuni should be on Silver Streak, is this correct and is it smaller carb on basic CR 500? But carb doesn't tell much, it can be swapped even to basic 500cc. Is there other differences that can be identified? Was the cylinder different or same than basic 500cc? How did they make it more powerful, and how I know, that it is still Silver Streak engine? After many years of racing, that original motor could be destroyed even before current owner that had this on 90s.
I would appreciate your help very much, I needed to register here to get help, because with Google I just can't find pretty much any identification methods for Silver Streak. They say that many Husqvarna enthusiasts have identified it as an Silver Streak and seller is trustworthy what I know, but if many have identified it as an Silver Streak bike and engine, how they can do it?
Best Regards,
Jari
Finland