zillabot wrote:With the boost bottle connected to the carb insulator, am i not pressurising both sides of the crank case at once? Do i need to remove the boost bottle and blank off the hole for it in the insulator and then repeat the test on both sides of the crank to test the centre seal?

I'm not an NSR expert, but the if the boost bottle provides a link between inlets, it should be removed and the connections blanked off.

I found this youtube video useful first time round.

https://www.youtube.com/watch?v=zdq7NRcUIp8
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