Cylinder base studs

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splatt

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On 850's are the cylinder base studs bsw/ unf or bsw/cei, the studs in the head are still bsw/cei are they?
 
Hi, the 850 cylinder base studs are BSW /UNF ,but the cylinder head studs are (like all 850,750) BSF /CEI....
 
Thanks guys, cases UNC/ unf, head retaining studs bsw/cei, so does that mean there are 2 nuts that appear identical but with different threads, center case and rear head nut?
 
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