FCR-Beginners

If I use an FCR - Foam Air Filter Sock, will it be okay to use it in the rain?...

This is about the CBX1000 Foam Air Filter Sock. I remember writing an article before asking, "Is it okay to use it without a filter even in the rain?" As long as you apply filter oil, it's generally fine.

2023-01-23

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FCR Tuning - What is the air-fuel ratio at idle?...

As the title suggests, this is about the air-fuel ratio of the FCR when idling. The air-fuel ratio of my CBX1000 when idling is around 13.5 when the engine is cold, and around 12.9 when the engine is warm. This is just based on my current preference. A senior Z enthusiast told me that the air-cooled Z series is 14.

2023-01-22

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FCR Tuning - Tuning that becomes worse due to jet changes is within the acceptable range of effects....

What does it mean to tolerate poor performance? I will write about the tuning that makes the performance worse. FCR tuning is a repetition of AB testing. If there is no change even after adjusting the carburetor, it cannot be compared. It is possible to get a result that there was no change, but if you cannot compare, you cannot tune the FCR.

2023-01-20

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FCR tuning - If you make the jet needle straight diameter lean, it may be pointless to make the jet rich......

This is a description from the history of CBX1000 FCR tuning. It may not be useful, but if you intentionally unbalance the jet, you can use a jet that you can't use. In particular, the CBX1000 tends to run out of clip stages.

2023-01-18

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FCR Tuning - Jet Search Order from Initial Tuning...

I received an email asking about the FCR of a CBX1000. I'm an amateur, but I try to provide information diligently in my own way. I'm not doing this commercially, but I'm very happy when I get a reaction from the web. This time, I'll write about the order in which you should tune the FCR from the factory.

2023-01-17

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FCR Tuning - Synchronizing six FCRs is the best part of tuning...

Carburetor synchronization is the best part of tuning an FCR. It's one of the things you want to learn the moment you realize you want to be able to tune. This blog post is not going to be mainly about how to synchronize a CBX1000. It's going to be a column about the importance of synchronization.

2023-01-15

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FCR Tuning - The pilot screw can be fully closed to allow idling....

Recently, I have been posting about tuning the FCR at low throttle opening. This time, it's about adjusting the pilot screw. There are many posts written about it depending on the time, place, and occasion. People say different things. The information provided also varies depending on the source, such as magazines and online articles.

2023-01-15

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FCR setting - proper air screw value...

I think the proper way to return the air screw is about 1.5 turns. When I first started playing with the CBX1000 FCR, I changed the slow jet a lot. When I didn't know how to tune it, I just changed everything I could get my hands on. Now I'm trying to avoid changing the SJ as much as possible.

2023-01-14

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The difficulty of tuning an FCR carburetor varies depending on whether you're using a quick throttle or a standard throttle....

My CBX1000 used to have a very cool BITO machined throttle. I used it for almost 20 years, but I sold it because I changed it to an active Quick throttle. One of the recent themes in tuning the FCR is the feeling of acceleration when opening the throttle suddenly.

2023-01-10

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The surprising moment when I tried tuning my own FCR - for beginners - Failures 3/3...

In the setting of the CBX1000 FCR, there is one part about what went well, but three parts about what went wrong. It is true that people often learn from their mistakes. So let's get started!

2023-01-06

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