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Still problems with 26VA
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18-12-2023, 01:44 PM
Found a picture showing a screw over CAPACITY WELL
My carb is missing this screw Could this affect the cold start ? Any idea of the type of screw required
18-12-2023, 02:04 PM
Hi
The capacity well affects middle to high speeds, I don't think it will have any appreciable effect on cold starting. I have a feeling that some versions of the 26VA used a cast-in orifice rather than a separate jet, probably a cost saving measure. Cold start relies on a tight fit of the choke flap so that you get enough suction on the jets even with the feeble airflow at cranking speeds.
18-12-2023, 02:20 PM
Thank John for a quick reply
I do have some play in the butterflie spindle which may be causing a problem Choke flat is a good deal
John is quite correct.
Have a look at your float chamber and your illustration. If a brass affair is screwed into hole 3 you probably have the right arrangement. If there is no brass insert but the hole has a visible thread the vital component is missing. If there is a hole with no thread (by design - a stripped thread is not good!) then you have the version with the cast in, pre set dimension, so also ok. As John says, a missing brass thingummy will result in a flat spot in transition between jets 1 & 2. Hope this helps, Regards, Stuart |
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