FCR | Page 7 | CBX-LALALA HONDA Mortorcycle CBX1000 FCR Carburetor

Improving Fuel Efficiency with FCR Carburetors...

I often come across discussions—both positive and negative—about the fuel economy of FCR carburetors. Given the potential for heated debates on social media, I’ve decided to share my thoughts here on my blog instead. I believe the right answers vary for each individual, so I’ll express my opinions in a column format.

2023-02-06

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FCR - Tuning with easy-access jets in mind...

CBX1000のFCRを触る時はつい最近までは気になったらすぐにジェットを変更するように心がけていました。私は趣味でFCRのセッティングをしています。時間効率の優先度は低いです。納得出来て満足できる結果が優先です。もちろん、手間だと感じる事もあります。

2023-01-24

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FCR Tuning - Will tuning improve the return to idle?...

There is one thing I pay attention to when tuning the FCR of the CBX1000. That is, I frequently adjust the synchronization of the carburetor. This time, I will write about the return to idle of the FCR when idling, including synchronization. In the first place, everything I write may be a placebo effect. However, there may be some points that are correct. Please read it with that in mind.

2023-01-24

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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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I found a box for a CBX1000 FCR from over 20 years ago in the back of my room....

This is the box that my CBX1000 FCR came in. It's not uncommon to find parts from decades ago. It's a little unusual to find just the box. The contents are still in good working order. Judging from the packaging of the box, is it the same as the CRS carburetor? The illustration shows the CRS carburetor, not the FCR.

2023-01-22

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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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I got the spark plug wet! If you use the accelerator pump too much, you will get into big trouble....

This is a story about when the spark plug gets wet. When the spark plug gets wet, it means that the engine is having a hard time starting and gasoline is sprayed onto the spark plug, making it wet. The same applies if there is oil on the spark plug. It also includes other things like carbon buildup.

2023-01-17

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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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