An Austin 7 timing gear for fitting to the crankshaft.It will fit both coil and magneto ignition engines.In good condition with slight noticable wear and no visible crack to the keyway (which is where they usually occure due to being incorrectly fitted!).There are no apparent size markings.
A nice little JAP engine suitable for a motorcycle or small cyclecar. Engine number is 1930 and states the capacity is 200cc. More images and any questions by email. Paypal accepted.