SU Carb - My Samurai won't run

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Jordi
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SU Carb - My Samurai won't run

Post by Jordi » Mon Jan 11, 2010 4:30 pm

Ok, so I haven't rebuilt the carb (but the car it came off was running when I removed it) Before doing anything with the carb I just want to get it running. The carb is off a maestro and i just want to see if it runs. I know most posts mention changing needles etc... giving it a good service gaskets & springs.

I've got adaptor (elbow, but no water jacket yet) and plumbed it all in but it just wont fire. From reading the posts i've done it the same as everyone else. Old carb off, removed all the additional bits. I've got petrol to the SU but it's not even trying.

How do i tell if the mixture is coming out the other of the carb?

Anybody got any suggestions???

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Jordi
1988 Samurai - Truck Cab & Tray Back - 1.6 8v & HIF44 - Snorkel - Stack Exhaust - PAS, YJs & 33s - Trussed, Gusseted & Pumpkin Capped Axles - 4.3 R&Ps - 4.16 T/Box - Rear Air Locker - Full Float Back Axle & Discs - RCV Front Shafts - X-Eng Handbrake - Custom Fuel Tank

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Re: SU Carb - My Samurai won't run

Post by ScottieJ » Mon Jan 11, 2010 5:16 pm

I'm not too clues up on my SU carbs however it should still fire up if not jetted correctly, just run badly.

Have a read up here and on the links inthis thread it contains pretty much everything you need to know about the SU conversion.

http://forum.difflock.com/viewtopic.php?p=165433
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Jordi
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Re: SU Carb - My Samurai won't run

Post by Jordi » Mon Jan 11, 2010 5:30 pm

Yup, read that one, read the DIY page on Suzuki Club, and i've been thru the shropshire forum too. Mine pretty much is identical to all of them minus the water jacket.

Pipes to the same places, same bits blocked off. I havn't ran this SJ for years and bolted the SU on today - nothing.

Swapped back to the original carb and after throwing a bit of petrol straight down the carb she fired.

I've checked the plug, dizzy and solenoid all ok, getting a spark. Thought it might be a fuel issue but i've checked the pump and all the pipes and now can't get rid of the taste of petrol.

I would like to know what the adjuster near the fuel inlet does tho???? I know the one on the top by the throttle is the mixture.

I know it's probably something silly I'm overlooking but so far I've managed to give myself electric shock, took the skin off my hands and tasted petrol. It will run!!!
1988 Samurai - Truck Cab & Tray Back - 1.6 8v & HIF44 - Snorkel - Stack Exhaust - PAS, YJs & 33s - Trussed, Gusseted & Pumpkin Capped Axles - 4.3 R&Ps - 4.16 T/Box - Rear Air Locker - Full Float Back Axle & Discs - RCV Front Shafts - X-Eng Handbrake - Custom Fuel Tank

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Re: SU Carb - My Samurai won't run

Post by Henry » Mon Jan 11, 2010 6:19 pm

Slight correction hear...

Screw on top of throttle controlled the idle.

Screw below fuel intake controls mixture (in for weak, out for rich)

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Re: SU Carb - My Samurai won't run

Post by Jordi » Mon Jan 11, 2010 6:49 pm

Aah bisto. Well at the mo its almost right in. I'll give it a go with it right out just to see if it will fire.

Cheers for that
1988 Samurai - Truck Cab & Tray Back - 1.6 8v & HIF44 - Snorkel - Stack Exhaust - PAS, YJs & 33s - Trussed, Gusseted & Pumpkin Capped Axles - 4.3 R&Ps - 4.16 T/Box - Rear Air Locker - Full Float Back Axle & Discs - RCV Front Shafts - X-Eng Handbrake - Custom Fuel Tank

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Re: SU Carb - My Samurai won't run

Post by Henry » Mon Jan 11, 2010 7:02 pm

If it is right the way in. Go about 3-4 turns out and try it. :smoke:

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Jordi
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Re: SU Carb - My Samurai won't run

Post by Jordi » Mon Jan 11, 2010 8:04 pm

Im in for the night now, so next time i'm in the garage i'll give that a go. Probs be saterday now.
1988 Samurai - Truck Cab & Tray Back - 1.6 8v & HIF44 - Snorkel - Stack Exhaust - PAS, YJs & 33s - Trussed, Gusseted & Pumpkin Capped Axles - 4.3 R&Ps - 4.16 T/Box - Rear Air Locker - Full Float Back Axle & Discs - RCV Front Shafts - X-Eng Handbrake - Custom Fuel Tank

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Re: SU Carb - My Samurai won't run

Post by carnut » Tue Jan 12, 2010 2:47 pm

do you have a supply and return on the carb!.. make sure there the right way... it could be the float stuck closed, remove the float chamber on the bottom of the carb, make sure you dont break the gasket?, and the check the float valve makeing sure its free and allowing fuel through. also check the piston isnt stuck, theres not to go wrong in a SU...
andy

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