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Now we’re getting to the final stretch… I’m going to change the fork oil, yes (;’∀’)

Kowa’s “Fork Spring Compressor-2” is great

This tool is really excellent.

The spring compressor I used to use wouldn’t stand up on its own = I had to use it on its side (at an angle) = oil would leak
That was pretty annoying…
This “Fork Spring Compressor-2” actually stands up!
It’s incredibly stable, so work goes very smoothly.
I could honestly make one myself, but “buying it is faster and ultimately more economical.”

I clearly separate what I make from what I don’t .
I weigh “material costs + thinking/ordering/making time” against “product cost” .
Unless I have infinite free time or I absolutely love making things, that’s beside the point.

Usually with the first one, “I wish I’d done it this way” comes up, so I make a second one.
Maybe I have a personality prone to infinite loops?
I don’t overthink store-bought items though…

This compressor is really great, but “short forks need special measures” .
Add shims underneath like in the photo. *Be sure to check the compressor length first.

ウェビック 楽天市場店
¥34,100 (2026/09/20 17:34時点 | 楽天市場調べ)


The fork oil was nice and clean (*´ω`*)

Honestly, I don’t really like fork oil changes.
The reason is
“if the seal leaks after a fork oil change, it’s painful”

Not that it’s about responsibility or anything, but “having to do the same job all over again is a hassle.”
Of course, parts and labor costs apply as normal.
Basically, the fork oil change cost and time are completely wasted.

Replace the seal at this time—a clever tactic?

Just the seal cost significantly reduces the risk of leaks after work.
When you replace the seal, the responsibility falls on me, so I have to work carefully, you know~

I always think “I’m doing too much extra stuff” sometimes… (;’∀’)

The inner tube was replaced before, so it’s GOOD (*´ω`*)

It’s in good condition.

I’ll roughly measure the fork spring.

I have a fork spring attachment too, but… it’s not very practical.
The scale is for low rates, but… honestly, if you just want to take a quick look, you can do it normally.

You just have to be careful not to let it fly off.

KHL15-10 is equivalent to L01.

Kawasaki genuine cartridge fork oil KHL15-10
—the best part is that it comes in 4L bottles! No waste, minimal garbage, and easy to get—three great things.
It’s incredibly convenient (‘Д’)

カワサキ(Kawasaki)
¥11,266 (2026/09/20 20:33時点 | Amazon調べ)

Makita vacuum pump—make sure to bleed the air properly (*´ω`*)

Stroke it, then finish with the vacuum pump to bleed the air.
It gives you peace of mind, you know?

Once you start using it, you’ll be amazed at how convenient it is.

The axle shaft slides in smoothly by hand…

Smooth and mild? It feels surprisingly good.
We’re almost done~

There’s a bit more to come.

カワサキ(Kawasaki)
¥11,266 (2026/09/20 20:33時点 | Amazon調べ)
ウェビック 楽天市場店
¥34,100 (2026/09/20 17:34時点 | 楽天市場調べ)
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