"jet needle"

Manual

Buying a CBX1000 FCR - How to tune for the first time...

Many people want to install a racing carburetor on the CBX1000. In Japan,the options are the BITO FCR or CRS carburetor. It seems that TMR can also be made to order,but it is not common. If I were to buy one,I would choose the FCR.
2022-11-16
       
カテゴリCBX1000FCRMaintenanceManual
タグASCBX1000FCRFCR-BeginnersJNPSSJ
FCR

FCR Tuning - Jet needle changed to 90FTN. I was concerned about the straight diameter - 2022-11-15...

This is a test run after changing the jet needle of the CBX1000 FCR. The purpose is to check whether the straight diameter of the jet needle is good or bad at low throttle opening. I have been selecting a jet needle for the slow jet 48 for a while now. As a result of the test run,the acceleration is so good that I don't want to touch it for a while.
2022-11-15
       
カテゴリCBX1000FCR
タグASCBX1000FCRFCR-BeginnersJNPSSJ
FCR

FCR Tuning - Adjust the air screw with a digital tachometer - 2022-11-10...

Fine adjustment of the air screw and pilot screw positions. Until now,we had determined the position of the air screw based on a test run. Of course,I also use the air-fuel ratio meter as a reference. The position of the air screw is determined based on a test run. I purchased a digital tachometer.
2022-11-10
       
カテゴリCBX1000FCR
タグASCBX1000FCRFCR-BeginnersPS
FCR

Notes on changing FCR slow jet...

Since the CBX1000 has 6 carburetors,the number of jet changes is 6 times that of the SR,and 1.5 times that of a 4-cylinder motorcycle. It's a pain. When purchasing a new jet,it costs 6 times more than an SR. I don't regret it too much since it's money I'll be spending on my hobby,but it's better if it doesn't cost anything.
2022-11-10
       
カテゴリCBX1000FCR
タグCBX1000ColumnFCRFCR-BeginnersSJ
FCR

FCR tuning - Jet needle replacement - Up change - 2022-11-08...

This is the FCR tuning. Current jet needles have a special thread count that sharpens up. It should be 90FXM#3=90FTM#1. I haven't tried it,so I don't know,but it should probably be the same. I'll check it out when I have some free time.
2022-11-08
       
カテゴリCBX1000FCR
タグASCBX1000FCRFCR-BeginnersJNPSSJ
FCR

FCR Tuning - Tuning throttle opening from 1/16 to 1/8 - 2022-11-06...

Regarding the current FCR tuning of CBX1000,I was concerned about the lower throttle opening. It's not a good idea to get caught up in the air-fuel ratio meter,but a partial reading of 10.5 is around throttle opening of 1/16 to 1/8. It is unclear whether this condition is good or bad.
2022-11-07
       
カテゴリCBX1000FCR
タグASCBX1000FCRFCR-BeginnersJNPSSJ
FCR

FCR Tuning - The number of clip stages of the jet needle is determined by the driving feeling...

You can enjoy changes in the driving feeling that cannot be seen only with lean or rich FCR influence range. When you wear an air-fuel ratio meter,you tend to look at the numbers and judge whether it's lean or rich.Considering the characteristics of engine revving,etc.,there are some areas that are difficult to show in the numerical values. Simply put,you can change the number of clip stages one by one and try the number of stages that gives you the driving feeling you like.
2022-11-04
       
カテゴリCBX1000FCR
タグCBX1000FCRFCR-BeginnersJN
FCR

FCR Tuning - Slow Jet Selection - Start with the pilot screw back at about 1.0 turn...

You should be careful when choosing a jet needle. Even if the condition is good when the throttle opening is low,the effect may appear as the throttle opening is increased. The number of CBX1000's FCR jet needles at the time of shipment is 90FXM#3. The cut-up is special.
2022-11-02
       
カテゴリCBX1000FCR
タグASCBX1000ColumnFCRFCR-BeginnersPS
FCR

Changed the FCR acceleration pump diaphragm. Visual inspection is important. Changes in total discharge volume are difficult to understand...

I am trying to replace the FCR standard accelerator pump diaphragm with the Kawasaki KX250 diaphragm. There is a dot in the center of the accelerator pump that suppresses the movement of the accelerator pump diaphragm. As for how much of a change there is,you can feel the change when you see it for the first time.
2022-11-01
       
カテゴリCBX1000FCR
タグAccelerationPumpCBX1000FCRFCR-Beginners
FCR

Tools required for CBX1000 FCR tuning...

Racing carburetors such as FCR are not finished once they are installed; with FCR,it is just the start. FCR starts after tuning. This time I will introduce the tools used for FCR tuning of CBX1000. It will also serve as a reference for other motorcycle FCR users. The main focus is on tuning,so if you want to completely disassemble it you will need a separate tool,but this is an introduction to tools for tuning.
2022-10-25
       
カテゴリCBX1000FCRMaintenanceManual
タグCBX1000ColumnFCRFCR-Beginners
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