Classic BSA 650 Unit Motor Teardown Article


A very handy, high resolution, 10 page article on how to tear down your BSA motor.

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A beautifully detailed photographic series on dismantling this classic BSA motor. There’s 10 High Resolution pages packed full of handy hints like which threads are left handed and why you should remove the tachometer drive to save damaging the oil pump drive. Pretty much all the 500 and 650 motors were the same during it’s run so this is a must have if you’re about to dive into your BSA motor. Article is crystal clear and instantly downloadable. You won’t be disappointed. The photos are insanely good.

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