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Nortonalta · Jun 5, 2025

Hey guy's.
I have been dragging a 1970 Norton 750 S around for more than 30 years. Started to restore it about 20 years ago until life stepped in. Any ways, I finally got it running late last fall. But didn't get around to riding it due to winter. I've had it out a couple times this summer and now it's time for the first oil change after break in. I'm looking for the best process to drain the oil tank, middle behind the air box, doesn't seem to be a drain plug

NPeteN · Jun 5, 2025

Nortonalta said:
Hey guy's.
I have been dragging a 1970 Norton 750 S around for more than 30 years. Started to restore it about 20 years ago until life stepped in. Any ways, I finally got it running late last fall. But didn't get around to riding it due to winter. I've had it out a couple times this summer and now it's time for the first oil change after break in. I'm looking for the best process to drain the oil tank, middle behind the air box, doesn't seem to be a drain plug

No plug in oil tank. Sump drain under the crankcase. You need a service manual. If you just want to drain the tank, you can suck the oil out through a tube. Let's see a photo of your bike. I own a 70' S as well.

Jerry Doe · Jun 5, 2025

I always suck the oil from the tank filler with one of these:
Fluid Extractor

Then I drain sump as well

Welcome to the forum
Cheers

nortonmargie · Jun 5, 2025

There are lots and lots of Norton service manuals on Ebay. I happen to be partial to the Chilton manual. Your mileage may differ.

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Nortonalta

NPeteN

Jerry Doe

nortonmargie

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