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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Persistent oil leak
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<blockquote data-quote="greg brillus" data-source="post: 120364" data-attributes="member: 597"><p>Not even that far, I back off the cylinder head bracket nuts. Then back off each one at a time and pull down in one go using a 13/16" ring and open end spanner. I use to use a spring scale, and given the spanner is around 9 to 10 inches long I pull down to 40 pounds on the scale. I don't even use the spring scale anymore, as i have a good feel for when it is tight........Using just one stock paper gasket under the barrels the nuts usually pull down less than one clock deviation, that is from 12:00 to 1;00 I tend to mark the nut and the head with a texter pen so I can see how much it moved. It is rare that they don't move.......Generally if stainless nuts on studs are used the nuts can grab a bit, so I use anti-seize or even grease on the threads before the nuts go on.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 120364, member: 597"] Not even that far, I back off the cylinder head bracket nuts. Then back off each one at a time and pull down in one go using a 13/16" ring and open end spanner. I use to use a spring scale, and given the spanner is around 9 to 10 inches long I pull down to 40 pounds on the scale. I don't even use the spring scale anymore, as i have a good feel for when it is tight........Using just one stock paper gasket under the barrels the nuts usually pull down less than one clock deviation, that is from 12:00 to 1;00 I tend to mark the nut and the head with a texter pen so I can see how much it moved. It is rare that they don't move.......Generally if stainless nuts on studs are used the nuts can grab a bit, so I use anti-seize or even grease on the threads before the nuts go on. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Persistent oil leak
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