Surprisingly Good Choice: Z A4! KZ900A4 Sunstar Chain Conversion Kit – Center Stand Installation Stopper Fabrication and More

Yep, work isn’t progressing in order as planned.
It’s difficult to get the workload to that “just right” volume.

I really wish I could have some downtime (*´ω`*)

The parts have been ready for ages, so things should move along smoothly.

ヘンリービギンズ(Henly Begins)
¥8,375 (2026/09/22 20:35時点 | Amazon調べ)

Sell your bike on Kachiex and get a NEW bike? The market’s been on a downward trend lately anyway

Sunstar Drive Chain! Our shop’s second one?

This is a Sunstar Drive Chain conversion kit with a rich selection of Kawasaki Z series items.

The Sunstar Drive Chain has been out for a while now, but this is actually our second one.
My love for Daido won’t stop, and I can’t help but reach for it.
Since the kit makes things easier, I’d like to expand sales when the timing is right.

ウェビック 楽天市場店
¥39,073 (2026/09/21 03:35時点 | 楽天市場調べ)

Sunstar’s lock washers are fantastic

Two tabs are raised and bent into a plate shape for easy bending.
I’d like to use this when replacing the drive sprocket.

At 3,300 yen per part, it’s quite expensive, but the safety benefits are extremely high.
Above all, how easy it is to bend is absolutely wonderful.

Let’s clean it up and assemble it

Old bikes carry traces of past tribulations.
Working while feeling that history is enjoyable too.

It’s not as workable as modern lock washers.
If you don’t remove it frequently, bending it in a couple of places should be safe.

I also replaced the rear sprocket fastening with a flanged lock nut.
I’ll make the center stand stopper tomorrow (*´ω`*)

ウェビック 楽天市場店
¥39,073 (2026/09/21 03:35時点 | 楽天市場調べ)
淡路二輪カスタムパーツセンター
¥99,330 (2024/12/17 22:51時点 | 楽天市場調べ)
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