SOHC.co.uk Forums > CB350/400

Progress - She runs at last! (75 CB400F)

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mike the bike:
Take a few photos,  we may be able tp spot the problem.

Bryanj:
If the tickover screw when screwed all the way in still has a gap to the lever it adjustes you definately have the slides not right

Nurse Julie:

--- Quote from: Oddjob on November 09, 2016, 12:18:41 AM ---"Snigger, Snigger"

Sorry couldn't help myself.  :) :) :) :)

I'll write out "I shouldn't snigger in class" 50 times as a punishment.

--- End quote ---
I will stand in the corner for 10 mins, sorry Sir  ;D ;D ;D

ManicGTI:
So, 5 minutes after posting my 10PM message last night I took a long swig from the beer bottle sat on my workbench.  It was a big mouthful.

Sadly however, it turned out that the cool, refreshing (and undrunk!) Hop House 13 was in fact at the other end of the bench.  The bottle I had taken a swig from contained the petrol I had drained from the carb bowls.

Yuck. Luckily I don't 'think' I actually swallowed any, but I've gone through many litres of water to dilute and flush it through.  I can still taste petrol now.

At that point, my interest in continuing to work in the cold diminished rapidly.  So the only picture I have is this one:



--- Quote from: Bryanj on November 09, 2016, 08:16:41 AM ---If the tickover screw when screwed all the way in still has a gap to the lever it adjustes you definately have the slides not right

--- End quote ---

The lever does touch the idle screw when fully screwed in, but only just.  This is with the slides all bottomed out (ie the individual slide adjusters all screwed in as far as they will go), there's about 6mm gap.

K2-K6:
At the risk of travelling too far along the axis of smut and double meaning, you may need to wear school uniform for that.

Back to the problem in hand  :) the first part of Bryan's setup of setting up on the bench is where I think you maybe going wrong. Perhaps thinking about it in reverse may get you going the right way.

Let the slides drop to bottom of carbs (closed throttle) then think how when you make slide adjustments you are trying to move the throttle mech towards the idle adjust screw. With the screw turned perhaps one turn in from nothing,  keep making adjustments to slides until mech meets stop screw,  at this point the operation should be within normal range and you can sync them on the bench.

It's harder to explain in writing than with them in front of you so hope this helps.

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