As Les says, that looks like a fantastic find! I agree that most likely the brakes are binding, plus I expect the chain is rather tight (not tension, but because of dried chain oil). It's possible for the wheel bearings to become very tight too.
The plastics look in great condition, and it all looks original. Given that it starts & runs easily, buying it and returning it to 100% operational is a no-brainer in my opinion. Hope to see more about it soon!
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Andy.
NSR-WORLD.COM
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