Brand new NSR150SP barrel and RC valve.
Barrel has had light work to both exhaust port and RC valve. The exhaust port has been raised and widened, and the RC valve has been welded and re-ground to match exhaust port.
The cylinder and RC valve are both brand new and have never been used, and will give a nice kick to any NSR150SP.
Cylinder is marked "B"
£200 plus shipping if anyone's interested. Or if you need any more pictures let me know.
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If I have to take the carbs off once more...