| [ Total Views: 607 | Total Replies: 6 | Thread Id: 49392 ] |
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 Anthiron
A.k.a.: Nicko McKay
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| posted on March 1st, 2006 at 03:35 PM |
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stock idle air screw position?
on a 30pict 2 solex how many turns out is the stock position?
62/60 model bug eye baja bug, (Full Build in Progress)
1974 Chevrolet Luv
1970 MK2 Ford Cortina GT
1979 Yamaha RX125 Two Stroke tracker project.
2004 Harley Davidson Sportster XL Custom
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oval TOFU
Son of Jim - Creator of Good
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| posted on March 1st, 2006 at 03:40 PM |
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2.5 i think, then you adjust from there by listening to the revs...
[ Edited on 1-3-06 by oval TOFU ]
...and Robert's ya father's brother...
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geodon
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| posted on March 1st, 2006 at 04:05 PM |
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Does the 30 pict have an air screw? I thought only that heathen 34 pict had one of those.
If u r referring to the volume control screw, i think u turn it clockwise till it seats LIGHTLY then back it off about 1.5 turns. Start up & warm it
up then turn it in till the eng idle speed dies then out till it only just picks picks up speed again. Then re-set the idle speed screw to the idle
speed u want. I lurve those old carbies! Esp my beloved 28pci on my SC
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Anthiron
A.k.a.: Nicko McKay
Compulsive Aussie Vee Dubber
The Baja Rejuvenation Begins
Posts: 4936
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| posted on March 1st, 2006 at 04:26 PM |
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cheers fellas.
62/60 model bug eye baja bug, (Full Build in Progress)
1974 Chevrolet Luv
1970 MK2 Ford Cortina GT
1979 Yamaha RX125 Two Stroke tracker project.
2004 Harley Davidson Sportster XL Custom
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ACE_76
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| posted on March 1st, 2006 at 11:19 PM |
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With 3 carbs (all 34 Pict-4's) on 3 different motors (1600 - 1640) I've found the idle mixture screw to always require more turns out than the
manual says, generally over 3, to a bit over 4, instead of the supposed 2.5 - 3. (Earlier carbs recommended less turns out.)
You'll hear when it's happy. Too lean: speed drops. Screw it out- speed increases. Keep going & speed drops as mix becomes too rich. Can set for
max. speed, or slightly in from that point.
Don't set idle mixture too lean! |
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 vw54
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| posted on March 2nd, 2006 at 06:03 AM |
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There is No stock position all engines will vary slightly
If you have over haulled the carby then screw it out bout 3 full turns for start up then allow the engine to warm up and adjust as per above
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Anthiron
A.k.a.: Nicko McKay
Compulsive Aussie Vee Dubber
The Baja Rejuvenation Begins
Posts: 4936
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| posted on March 2nd, 2006 at 10:13 AM |
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basically id just been adjusting on feel of the engine revs.
was just wondering where the books say it should be from the factory as a light guide line.
62/60 model bug eye baja bug, (Full Build in Progress)
1974 Chevrolet Luv
1970 MK2 Ford Cortina GT
1979 Yamaha RX125 Two Stroke tracker project.
2004 Harley Davidson Sportster XL Custom
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