Not 1000 but 900? KZ900 Inspection and Tire Replacement

It’s pretty standard to leave the bike here while picking up the completed one.
We’ll get it done quickly, so let’s go ahead and work on it first (*´ω`*)

The front is worn… so we’ll replace it with the same brand.
TT100GP is always super popular (*´ω`*)

For tubed tires, “inserting the tube into the tire first” is super easy.
When I first saw this method, I thought “what have I been pulling all this time?” With this approach,
you don’t need
that wire pulling tool, and the tube won’t get pinched between the tire and wheel. The pulling method is
tedious, requires tools, and increases risk *compared to our method. Everyone has their own way, but I really want you to experience this high efficiency~

Then we pop it in with the changer and we’re done.
Since we’re not using a lever, there’s no pinching. Not that it pinches even if we do use one… ( ;∀;)

The studs are pretty worn, so we’ll replace them *always in stock.
You can’t see it, but if it’s not clean, it just doesn’t look sharp…

Show some love to the threads… pretty gritty stuff.
Not sure if it’s thread locker or gunk… Smooth installation makes the work more enjoyable.

We insert them with THE stud man *that’s not actually what it’s called…
Koken 1/2(12.7mm)SQ. Stud Bolt Setter M8xP1.25 4103M-8(1.25)

Super handy if you’re installing stud bolts~

If we add restoration elements to regular maintenance, the bike should stay in good condition longer… (wishful thinking)
This job “takes a lot of time for cleaning and washing” so having an environment where we can finish quickly is crucial.

The bike shop guy “if you’re going to keep doing this, tools and equipment are super important”

Clean bolts really do make a difference (*´ω`*)
We’re using lock nuts and shortened them a bit with Honda OEM parts.

Just to be safe, the axle shaft runout was fine.
We cleaned up the speedometer cable and lubricated it. *It was pretty dry, so we’d like to lubricate it once every two years.

The caliper bolts were disappointing, so we replaced them with Honda OEM ones.
I have no idea how much we have in stock…

Hmm… subtle and cool

Can we hide the Watanabe connector we installed the other day?
No problem, we’ve covered it with mesh.

Now we just need to pass inspection!

A gem that might spark your desire to buy…

山下工業研究所
¥2,109 (2026/09/20 14:33時点 | Amazon調べ)
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