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Where the fuel line is above in the pic,where it attaches to the carb,theres a big bolt
Undo the bolt, ensure you dont drop anything,an walla theres the filter,itll be a cylinder shape,the bolt goes...

A dirty carby will also cause you trouble power wise.
Plug gap-- .8--.9 mm.
Leads-- less than 30 000 ohm resistance.
Points-- .45 -- .55 mm.
Dwell -- 35 -- 41 deg.
Idle-- 650 rpm....

Hi Lee, in my book, Dwell angle at point gap= 0.5mm (0.020 in) 35 to 41 deg.
Points= 0.45 to 0.55 mm (0.018 to 0.022 in)

Actually 6 into 2 stainless performance pipes.
The old Girl would breath better then, lol.
yeah bit hard to justify 2.5k for that.

It really sounds like you should rebuild your carby.
the...