Customization pioneer: reliable classic? GSX1200S Inazuma 1200 oil-cooled Katana. Inspection, Deco-mainte, gun coat finish on all parts, starter malfunction and more

It’s been raining, really raining. And it’s going to keep raining steadily for a long, long time.

When weather like this keeps up, you just want to ride! As the fever subsides,

it’s not a bad idea to let your imagination run wild. Here’s the continuation.

I wonder if I’m being stupid—I keep forgetting to apply gun coat.
So while I was at it, I also coated the caliper bolts.

That’s how it looks.

Head cover oil line bolts, G/K. The stock ones are aluminum, but I’ve always felt they have a slightly off feel.

I replace all of them with copper. This way they seem to tighten better and don’t leak. *Though it might just be a placebo effect.

The spark plug condition was clean. I’ll replace it with a JR8B.

There’s a bit of a question about spark plug tightening torque. It’s listed in the box, so please refer to that.
You can also find it on the NGK website.

I’ll number them and apply thread compound to prevent seizing.

NGK does not recommend applying lubricant or anti-seize to spark plugs.
↓Excerpt

If grease or other lubricants or anti-seize compounds are used on the threaded portion, even when tightened to the standard torque, there is a risk of over-tightening. Do not use lubricants or anti-seize compounds.

But if you’ve ever had a spark plug that wouldn’t come out, you understand…
I can really see the manufacturer’s intent, so I’ll proceed in the direction of “reading and feeling that intent” at my own risk.

I also replaced the tank cover. The mounting method is amazing…

I replaced the fuel hose. It’s a bit tricky to get your hands in there…

The owner mentioned that the starter occasionally acts up.

When it came in, it made a “kyuu~?” sound and wouldn’t turn over. When I pressed it again, it worked normally. We decided to check the starter motor just to be safe.

Maybe this is my first time disassembling an oil-cooled starter motor…

In particular, everything looks fine. I was kind of impressed by the four brushes…
The Katana only has two brushes, you know.

I cleaned up what I could… The brushes weren’t worn at all. (Replaced them anyway just to be safe.)

If you’re going to do this work frequently, definitely don’t make special tools.
That’s how we finished up.

The hard-to-reach spots are the technician’s job…
Let’s keep the no-touch areas nice and clean.

The starter motor seems to spin a bit more smoothly now, whether from the cleaning or just a placebo effect.

This is getting long, so I’ll continue next time.

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