FCR-FCR tuning in general. 6 cylinder tuning, AS, JN, MJ replacement, etc.

FCR Tuning - Synchronization - 2022-10-03...

When I went touring the other day,I touched the AS air screw,PS pilot screw,and idling stop screw,so I thought that the synchronization might be loose,so I made time to do it from 17:00 to 18:00. I synchronized while being careful not to be unable to work due to sunset.

2022-10-04

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FCR Tuning - Test run after changing MJ main jet...

I drove on the expressway. Speaking of expressways,for those who regularly tune FCRs,there is only one thing to do. Check MJ main jet. Driving at full throttle. In terms of throttle opening,the range of MJ influence is from fully open to close to fully open. The CBX1000 has up to 5 gears.

2022-10-03

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FCR Tuning - Adjusting the Air Screw After Carburetor Synchronization - 2022-10-01...

I checked synchronization by touching it only with the throttle stop screw. I put the AS air screw back in for 5 minutes. I opened and closed the PS pilot screw for 15 minutes and checked the changes. There was a change in the startability of the engine,but as a result,I haven't made any changes since before I touched it. I did some light work on various things.

2022-10-01

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I will write various things about the Velocity Stack of city riding-FCR. Talk about vertical orientation and processing,etc....

I am writing from the perspective of a city rider. If you are racing oriented,run without a filter. There are many riders who like FCR who modify the FCR Velocity Stack a little. I won't write about Velocity Stacks in detail,but I will write about them roughly based on what I know. I think this blog post will be useful for those who have just made their FCR debut.

2022-10-01

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Adjust the balance of the multi-vacuum gauge...

CBX1000 is a 6-cylinder multi-engine. You will need to synchronize the carburetor. The other day,I adjusted the balance of the vacuum gauge for the first time in a while. This time we'll be talking about multi-vacuum gauges for motorcycles. I don't know if it's for cars. Balance adjustment is to align the needles of each meter of the vacuum gauge uniformly. Whether or not the actual negative pressure can be measured accurately is another matter.

2022-09-29

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FCR Tuning - Test Run - Adjust AS - 2022-09-29...

I did a test run on the mountain road from 5pm. I changed my SJ the other day. The AS adjustment,PS adjustment,and idling adjustment will be done the next day,so I'll check the startability when it's cold. Since the SJ is being changed from 42 to 40,the plan is to open and close AS and PS about half a turn.

2022-09-29

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FCR Tuning - Changed SJ from 38 to 40. PS pilot screw adjustment - 2022-09-28...

① Set the AS to a slightly richer position. ② Set the PS back by 1.00 minutes. ③ Open the PS for about 15 minutes at a time. ④ Open the PS to a point where it is easy to maintain idling and it is finished. In the case of CBX1000,I have never had a problem with driving because the PS was opened too much and it was too rich,but I start from a lean PS and then richen it.

2022-09-29

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Since I changed the FCR - SJ, I checked the startability and touched the PS - 2022-09-28...

There are various resets to ensure a comfortable ride. Generally,after changing the SJ,there are many work items as it involves attaching and detaching the cab. ① Adjust the tension of the throttle wire. ②Adjust the PS so that the engine can start. ③Temporarily adjust AS. ④Adjust the idling. ⑤Synchronize. ⑥Take a test run and adjust AS. Adjust the above by going forward and backward through steps 1-6.

2022-09-28

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FCR tuning - Change and synchronize SJ and MJ - 2022-09-27...

About MJ main jet. When I looked at the air-fuel ratio meter,I noticed that it would be better if I made it even slightly lighter. It may not make much sense,but I changed MJ by one step from 128 to 125. This is the season when fuel becomes richer as we approach winter. There is no problem even if you shake it a little thin.

2022-09-26

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FCR - Test run on the expressway - Check the condition of the main jet...

The speed is within the legal speed limit. Fully open the throttle while looking at the gears like 3rd,4th,and 5th. CBX1000 is a motorcycle with up to 5 speeds. 3rd and 4th gears provide peaky acceleration. When you shift to 5th gear,it won't accelerate comfortably until you get up to a certain speed,but it feels like it will gradually increase the top speed and accelerate.

2022-09-25

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