VFR750F RC24 Tandem Step Fabrication – Carburetor Gasoline Leak

The carburetor came out cleaner than expected, I’m impressed (*´ω`*)

The carburetor is surprisingly dirty. *Because it’s old
Looking closely, there are cracks and weathering is pretty severe.

Work that properly matches its actual age is necessary ( ;∀;)

Ordered a 3φ shaft-mounted brush (SUS 0.3)

When polishing the aluminum parts of the generator during oil-cooling maintenance, it becomes shiny ☆
I remembered that.
I went with Trusco for now (*´ω`*)
*TRUSCO Cup-type Brush Stainless Steel Wire 0.1 x Outer Diameter Φ13 x Shaft Φ3 133C-4

It goes at it aggressively like this.
This small cup-type brush is really quite good.

While not quite wet blasting, it should bring things back to life quite a bit.
For parallel 4-cylinder bikes, you could even polish with just cylinders 1-4 mounted?

If you did it for 30 minutes, it would probably get terrifyingly shiny.

I found something interesting. *Bit 2.35φ

Wow, such an item exists in cordless form – that’s amazing!
If you don’t use it for long periods, something like this is sufficient.
As a first rotary tool, the price is reasonable too.
The uses are endless!
It’s nice to have such a wonderful item.

Leave the tired diaphragm untouched!

It becomes incredibly clean. . . . Please make use of it (´ー`)

イチネンケミカルズ(Ichinen Chemicals)
¥749 (2026/09/21 23:35時点 | Amazon調べ)

It’s an unnumbered needle or I have a feeling it’s Dynojet-like based on the hole.
The air cleaner box is also honeycomb, so that’s definitely it.

I’ve ordered replaceable parts, so I think we’re good going forward.
To be continued

(*´ω`*)Obon is coming to an end~

↑It’s 2.35φ you know~

↑It’s 3φ you know~

イチネンケミカルズ(Ichinen Chemicals)
¥749 (2026/09/21 23:35時点 | Amazon調べ)
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