pilot screw adjusting tool processing

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pilot screw adjusting tool processing

pilot screw adjusting tool. This is something I always worry about when using CBX.
How do you turn the pilot screw?
I have tried about 3 pilot screw adjusting tools so far.
I couldn't find anything perfect.
As the title suggests, CBX FCR specifications can be achieved by processing tools.
It has been transformed into a pilot screw adjusting tool suitable for.

Past articles
FCR tuning - Adjust throttle return. Turn the pilot screw.

What is the state of unprocessed state?

The gap between the crankcase and the pilot screw at the bottom of the FCR is narrow.
The driver just wouldn't fit. Of the six cylinders, No. 1, No. 2, No. 5, and No. 6 can be turned somehow, but with the carburetor attached to No. 3 and No. 4, it was difficult to turn whether or not they would turn.

What kind of processing did you do?

Even if I said to write it, I just deleted the parts that interfered with it.
The idea is that rather than looking for a pilot screw adjusting tool that fits perfectly, it would be better to cut out the part that interferes. Basically, I only touch motorcycles with CBX. We are not touching motorcycles for commercial purposes. There is no doubt that it is more efficient for me to prepare tools and other tunings just for CBX. I didn't have to search for it, I just had to process it, so it was a blind spot.
Even if you want to write it, it's just a sander, so it's a very easy process and anyone can do it.
I was crying because it was such a blind spot. I can't help but regret wondering what I was worried about until now.
①I sanded the sides with a sander.
② I tapped out the press-fitted tip a little.
Maybe it's because of the heat, but the work is quite sloppy, but the rotation ratio is 1:1, so it doesn't seem particularly crazy.
It is invisible, there is no play in the rotation, and there are no problems with the strength.

What I became able to do

The pilot screw can now be adjusted while the engine is running.
The tip of the pilot screw adjusting tool may shift while tuning the screw, making it unclear how far you have turned it.
It has been resolved. I'm very happy to be able to do things that I couldn't do before.

What about other CBXs?

I haven't seen any mention of the PS pilot screw in the blog posts of other CBX riders or shops, so I suspect that it's probably fixed, or that they didn't set it while starting the engine. I am. Or maybe it's just a niche area and not enough information is out there. It has been over 20 years since BITO sold FCR kits for CBX.
I have never seen an article about adjusting the CBX pilot screw until then.
Did everyone set the pilot screw at a fixed one turn?
I also made some adjustments to the pilot screw in the past. By chance, it didn't feel like it was off, and I was getting the numbers I was aiming for. Not being able to adjust the pilot screw means that the range of tunings is much narrower. I found out whether the pilot screw does not need adjustment in the first place by touching the pilot screw with the engine running on the CBX. My CBX is also equipped with an air-fuel ratio meter, so I can clearly see changes in the values. I'm really looking forward to it.

pilot screw adjusting tool processing【summary】

If you don't have the tools, you can make one.
We sometimes make special tools and measuring instruments called jigs.
If you simply sharpen the tool or the drain bolt of the FCR, the pilot screw adjusting tool will work fine.
I thought of a way to use it.
It's not a special tool, but it can also be used when working with other motorcycles, so
No problem. The problem is that the asset value becomes low when reselling at auction etc.
Now you can take your CBX FCR life to the next level.
I can't help but feel excited. And, there is no need to remove or install the carb to access the PS pilot screw, and there is no need to stop the engine. Since I was touching the PS pilot screw with the engine stopped, it was unclear whether I was adjusting the PS pilot screw correctly or not.
Next time I will post an article that touches on the pilot screw.
Well then! See you again!
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