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Boxnix · 05-19-2023, 02:06 PM

I'm working on a 110cc (152FMH) motor I am rebuilding for a customer. I snapped off one of the head bolts and I'm struggling to find a replacement. Everything out there has M6 threads on the engine side and M7 threads for the acorn head nuts, which will fit through the cylinder and head but not the alignment spacers.

Anyone have a source for acorn nuts and head bolts that are M6 on both sides? I found just the bolts for $20 on tbolt USA but they don't have the acorn nuts (one was missing and now one is filled with head bolt). Or can I get thinner spacers? Also... what are the spacers called? I can't pull any up on the googles.

05-19-2023, 02:06 PM	#1
Boxnix Join Date: May 2023 Posts: 7	Looking for 6mm M6 head bolts for 110 I'm working on a 110cc (152FMH) motor I am rebuilding for a customer. I snapped off one of the head bolts and I'm struggling to find a replacement. Everything out there has M6 threads on the engine side and M7 threads for the acorn head nuts, which will fit through the cylinder and head but not the alignment spacers. Anyone have a source for acorn nuts and head bolts that are M6 on both sides? I found just the bolts for $20 on tbolt USA but they don't have the acorn nuts (one was missing and now one is filled with head bolt). Or can I get thinner spacers? Also... what are the spacers called? I can't pull any up on the googles.
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