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Pit bike engines
Honda Z50 XR50 CRF50
Honda CT70 XR70 CRF70 and other 70s
all get there oil from the same point in the crancase near the drain bolt and oil screen
To test for oil pump operation with the bike not running and the spark plug out
loosen the head nut with the copper washer and kick the bike over until oil weeps from the washer area
