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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
How critical are the rear cylinder oil feeds!
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<blockquote data-quote="greg brillus" data-source="post: 96815" data-attributes="member: 597"><p>You need to back off the cylinder head bracket nuts and lock-nuts a small amount (easier to remove tank for a more easy job) I use to use a spring scale and pull with a ring/open end spanner, but now I just back off one head nut a bit and pull up firmly with an open end spanner about 10 inches long and only do one at a time. You will find they will definitely come down by up to 1/8th of a turn but usually less. Put a small black mark with a texter pen on the nut, washer, head before you re-torque, and you will see how much they come down by. Good also to nip up the pushrod tube gland nuts and check the tappets too. The reason that you back each one off a little first is so you have a "Rolling torque" rather than a dead pull from where the nut is now, this gives a much better tension on the hold down studs. Cheers..............Greg.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 96815, member: 597"] You need to back off the cylinder head bracket nuts and lock-nuts a small amount (easier to remove tank for a more easy job) I use to use a spring scale and pull with a ring/open end spanner, but now I just back off one head nut a bit and pull up firmly with an open end spanner about 10 inches long and only do one at a time. You will find they will definitely come down by up to 1/8th of a turn but usually less. Put a small black mark with a texter pen on the nut, washer, head before you re-torque, and you will see how much they come down by. Good also to nip up the pushrod tube gland nuts and check the tappets too. The reason that you back each one off a little first is so you have a "Rolling torque" rather than a dead pull from where the nut is now, this gives a much better tension on the hold down studs. Cheers..............Greg. [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
How critical are the rear cylinder oil feeds!
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