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Old 01-29-2011, 11:44 AM   #1 (permalink)
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Default HELP! 1986 samy carb issue

I searched archives, but could not find help.
I need a diagram for this carb.
problem- from time to time it seems the low and mid range circuit does not work.
samy will idle, but when you give it throttle it cuts out.
have to drive it home at full throttle.
these carbs have some electrical circuits, was wondering if they go to mid range fuel circuit and it is hanging up.
any help is greatly appreciated.
HAPPY NEW YEAR EVERYONE!
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Old 01-29-2011, 04:58 PM   #2 (permalink)
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that sounds like what mine was doing when the vacuum line for the VSV for the secondary diaphragm was crossed up with the vacuum transmitting valve. The two ports are right next to each other on the secondary diaphragm actuator. What was happening was the secondary plate was staying open and the only way you can run it with the secondary open is wide open throttle. Check the vacuum line diagram on acks faq for the vacuum lines on the engine-side of the carb. The ones that are not on the factory diagrams.

http://www.acksfaq.com/Samvacuumlines.htm

those diagrams will be a lot more helpfull to you than the guy I posted them for with the throttle body injection... (yikes)

Last edited by Baratacus; 01-29-2011 at 05:01 PM.
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Old 01-29-2011, 06:00 PM   #3 (permalink)
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Default thanks Baratacus

I will take a look
thanks again
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