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Discussion Starter · #1 ·
Im looking for a good 1978 cb400 master cylinder or any type that has the screw cap,taped 10mm for the mirror and has the brake light switch.
 

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You can replace the unit with any master that uses a 10mm banjo bolt for the line, for 7/8" bars, has a brake light switch, and is 5/8" (16mm)bore IIRC.

Here's one possibility:

https://www.amazon.com/dp/B01CCJKK2O/ref=sspa_dk_detail_4?psc=1&pd_rd_i=B01CCJKK2O&pd_rd_wg=akxvN&pd_rd_r=ZJJ955EBZCXD1HNA6X6C&pd_rd_w=xJ6g8

Takes a bit more looking to find one with the reservoir tilted to match your handlebars.
 

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Discussion Starter · #3 ·
I have one like that It works good,I'm just trying to find the correct style for the bike. But thanks for the info.
 

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Discussion Starter · #5 ·
OK thanks,that's a good looking bike you have there.
 

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Thanks, my first new bike was just like it, 78 CB 400 tII. So I found one but it needs a rebuild kit, I cleaned it up and repainted it awhile ago but never used it. IMG_1370.JPG IMG_1371.JPG IMG_1372.JPG IMG_1369.JPG
 

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Discussion Starter · #7 ·
That's where I'm at with mine, I have 2 that need rebuilt
 
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