Lockrings

wrench · Jul 5, 2007

My exhaust lockrings look like crap, frankly. Cheap. Out of sorts.

Anyone here know of a source that makes a higher quality version? It's a '71 750.

Cheers--

wrench

dave M · Jul 5, 2007

I use the Bronze lock rings from Norvil, they are based on the standard pattern but the bronze colour looks attractive and as they expand at a similar rate to the alloy head they definitely stay tight.

wrench · Jul 6, 2007

dave M said:
I use the Bronze lock rings from Norvil, they are based on the standard pattern but the bronze colour looks attractive and as they expand at a similar rate to the alloy head they definitely stay tight.

Cheers dave M. Will definitely check into that source. Mine just look like an after thought.... Mucho appreciated.

wrench

cash · Jul 7, 2007

They do a chrome plated bronze nut as well.
Cash

79x100 · Jul 7, 2007

Wrench,
Those are 850 nuts on your bike by the way. Original 750 components have smaller fins and look a bit more "Nortonish"

Ron L · Jul 9, 2007

Those are 850 nuts on your bike by the way. Original 750 components have smaller fins and look a bit more "Nortonish"

More important, the 850 nuts are shorter and require the split collets, where the 750 nuts fit directly against the header flange.

I have seen several 750 pipes using 850 nuts and no collets with two or three exhaust gasket rings piled in between the flange and head. Not a good idea to keep the pipes tight.

wrench · Jul 9, 2007

Ron L said:
Those are 850 nuts on your bike by the way. Original 750 components have smaller fins and look a bit more "Nortonish"

Click to expand...

More important, the 850 nuts are shorter and require the split collets, where the 750 nuts fit directly against the header flange.

I have seen several 750 pipes using 850 nuts and no collets with two or three exhaust gasket rings piled in between the flange and head. Not a good idea to keep the pipes tight.

I haven't tried to remove mine yet so not sure what the previous owner did. It would not surprise me to find them jerry-rigged somehow. Nice to know it is not the proper part for the job, though. Thanks.

wrench

Lockrings

wrench

dave M

wrench

cash

79x100

Ron L

wrench

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