Balancing carbs on CB 400 F2

[hornetmike]

Struggling to balance carbs on a cb400 f2 can't get on the outer screws and can't see the middle one, I am i missing something simple ?
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87 Honda CG 125 - 97 ER5 - SR 50 -81 Z250- 96 CBR 600 F- 94 GPX600R 88- GPX 400R- 87 GS 125 - 2006 Honda CB600F- 2003 ER5 - Honda CBF 1000 2009 - Honda CBR 600 RR 2011
Current BMW R1200GS 2010

[Fizzer Thou]

Is this bike a CB400F2 single-overhead-cam engine c.1978?

If it is I recollect that there are adjusting screws bewteen 1 and 2 carbs,and 3 and 4 carbs.
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Just talk bikes.What else is there?

Always have a 'Plan B'

[Billing]

a 1993 CB400 should be the Superfour shape---> https://blog-imgs-37.fc2.com/p/h/a/phaya/cb400sf.jpg

IIRC they run very similar, if not the same carbs as my CBR, which I have the carbs out of, I can grab a pic if you'd like?
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'84 TS50X, '91 TZR125, '89 CBR400RR, '91 VFR400R NC30, '98 R1
"Hey copernicus! Why don't you navigate yourself to the back of the line with your feet and stand there with your shit."
BCF Eastern members map here ---> g.co/maps/2tm8b PM me to be added to it!

[Ichy]

Just checking you have the seat off and the tank removed or propped up out the way?
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[hornetmike]

its a superfour shape, got seat and tank off, screwed the vacum gauges into the head can see the adjuster screws but cant get a screw driver on them they are under the edge of the carb
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87 Honda CG 125 - 97 ER5 - SR 50 -81 Z250- 96 CBR 600 F- 94 GPX600R 88- GPX 400R- 87 GS 125 - 2006 Honda CB600F- 2003 ER5 - Honda CBF 1000 2009 - Honda CBR 600 RR 2011
Current BMW R1200GS 2010

[Slacker24seve...]

https://www.carbtune.co.uk/bevel100.html
____________________
Triumph Daytona 675 track bike + girlfriend's Honda Hornet 600
Selling a hack/winter bike for less than a grand? PM me.
Banger rallies are ace

[hornetmike]

that won't fit, its for the linkage screws not the idle jets
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87 Honda CG 125 - 97 ER5 - SR 50 -81 Z250- 96 CBR 600 F- 94 GPX600R 88- GPX 400R- 87 GS 125 - 2006 Honda CB600F- 2003 ER5 - Honda CBF 1000 2009 - Honda CBR 600 RR 2011
Current BMW R1200GS 2010

[Slacker24seve...]

Sorry Mike, I'm not sure what you mean.

I have had some wine though so humour me; I have a CBR400 carb on my desk which I imagine is broadly similar - which linkage do you mean?
____________________
Triumph Daytona 675 track bike + girlfriend's Honda Hornet 600
Selling a hack/winter bike for less than a grand? PM me.
Banger rallies are ace

[hornetmike]

It's hard to explain might have to take a picture tomorrow. The screws on the on the bit that move with the trottle, on my old bike you can see them between the rubbers on the head

google pic
https://i.pbase.com/o2/36/492436/1/97100895.G6tGkHyz.CB400SuperFourCarbs.jpg
____________________
87 Honda CG 125 - 97 ER5 - SR 50 -81 Z250- 96 CBR 600 F- 94 GPX600R 88- GPX 400R- 87 GS 125 - 2006 Honda CB600F- 2003 ER5 - Honda CBF 1000 2009 - Honda CBR 600 RR 2011
Current BMW R1200GS 2010

[Billing]

try and get a 7mm socket on it mate, either that or a screw driver bit, that should give you plenty of room, thats how I do it on my NC30, for which you have to squeeze your hand between the top of the vee, and the underside of the frame and carbs.
____________________
'84 TS50X, '91 TZR125, '89 CBR400RR, '91 VFR400R NC30, '98 R1
"Hey copernicus! Why don't you navigate yourself to the back of the line with your feet and stand there with your shit."
BCF Eastern members map here ---> g.co/maps/2tm8b PM me to be added to it!

[hornetmike]

https://www.youtube.com/watch?v=D3VJ2En09Fk
____________________
87 Honda CG 125 - 97 ER5 - SR 50 -81 Z250- 96 CBR 600 F- 94 GPX600R 88- GPX 400R- 87 GS 125 - 2006 Honda CB600F- 2003 ER5 - Honda CBF 1000 2009 - Honda CBR 600 RR 2011
Current BMW R1200GS 2010