1986 Samurai stock engine/starting issues??? - Suzuki Forums: Suzuki Forum Site
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Old 12-31-2013, 09:17 AM   #1 (permalink)
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Default 1986 Samurai stock engine/starting issues???

Thanks ahead of time to all who post a reply!!!

Here goes: I got this rig for $2500 back in September and when running it runs great. I have, especially since winter has arrived, had the hardest time starting it. I will ad that when its cold here in Spokane Washington we are talking 20-25 degrees. It's consistently 30-35. Here is a list of new parts and work done to my Sammy.

Parts:
New 32/36 weber Carburetor ( its getting fuel fine)
NGK spark plugs and wires
Distributor cap
Rotor
Ignition coil
Mechanical fuel pump
Fuel filter
I believe that's it for parts

Work completed:

Timing adjusted and set correctly
All parts installed and adjusted correctly
All fluids changed

Anything I might be missing on starting issues guys? Thanks and sorry if I'm missing relevant information to my question. Shawn
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Old 12-31-2013, 10:29 AM   #2 (permalink)
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What sort of starting issue?

Does not crank?
Does not fire?
Cranks slowly?

If I assume that it cranks your problem could be the choke on the weber not correctly set or working - try pumping the accelerator twice before cranking.
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Old 12-31-2013, 12:08 PM   #3 (permalink)
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My apologies! I'm new to owning older vehicles and learning to both work on and diagnose issues.

Everything cranks fine. I dont believe she cranks slow, but to be honest im not sure id know the difference. I'm getting good spark from the coil. And checked the spark plugs to see if its flooding which it doesn't seem to be. A friend of mine who has a strong working knowledge of webers help me set the choke and adjust mixture and idle screws. Could the throttle cable be set incorrectly? Before cold weather she started much easier. Let me know if I can answer any additional missing info. Thanks Shawn
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Old 12-31-2013, 01:25 PM   #4 (permalink)
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Is it the electric choke, manual, or, water choke model Weber? I doubt the throttle cable would be a problem, unless its way out of adjustment. There is a stop bolt on the firewall, under the throttle pedal. Did you remove that, when you installed the Weber? The Weber cable arm has a longer throw than the stock carb needs more travel from the pedal, to hit wide open. Possible your travel is too short to close the automatic choke. Not sure about it, though.
You should still be able to get it started, even if the choke isn't working, by pumping the gas pedal while cranking.
I have an 87, with the stock carb, that needs a lot of pumping to start. Mostly, because the carb loses its fuel after sitting and needs to crank for awhile to fill the float bowl back up.
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Old 12-31-2013, 02:10 PM   #5 (permalink)
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Electric choke. I'm pretty sure that is set correctly though, but I could be wrong. I know that I did not change out the stop bolt when I installed the weber carb. I have tried pumping it repeatedly without success. However, it does seem to want to fire when I pump the gas pedal faster. Not sure what that would indicate. Ill check with a buddy to see what he thinks about the stop bolt being the issue.
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Old 01-01-2014, 05:49 AM   #6 (permalink)
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Remove the air cleaner, or, air intake horn, from the top of the carb and look to see if the choke is actually working: The choke plate should close, when the gas pedal is pressed and the throttle is opened, with a cold engine. If you leave the key on too long, before cranking, the electric choke will warm and the plate will not close. One of the reasons I prefer the water choke, over the electric, is it has a better system for determining the true engine temperature for choke operation.
If the choke is operating as it should, double check all your vacuum lines, to make sure they are all connected, or, plugged off where not used.
Check you carb mounting screws/bolts and the adapter plate mounting. Webers have a habit of coming loose (especially the hidden adapter plate screws). See if it can be wiggled side to side. If it can, you will get a vacuum leak that will make it hard to start, especially when cold.

Last edited by Azelgin; 01-01-2014 at 05:51 AM.
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