Evaporative Emission Control System

Joined
Apr 8, 2010
Messages
26
Location
Cary, Illinios 60013
Bike
ST1300
Has anyone eliminated this system on their ST1300? I've noticed that these systems are not on ST1300's such as Pan European models so I assume this is just a US requirement & if so can it be gone?
 
Has anyone eliminated this system on their ST1300? I've noticed that these systems are not on ST1300's such as Pan European models so I assume this is just a US requirement & if so can it be gone?

Good question.

I would think some replumbing would be required.
 
To get rid of that big canister & the big frame it's attached as well as the large solenoid. Obviously the Pan Europeans bikes have a way to vent the fuel vapors since they don't have this device on them. I'm hoping I can get some answers.
What is the point? The charcoal canister has not been a source of problems and neither have any of the other components.
 
The point is to do whatever all the Pan European bikes are doing & as I said get rid of all the "stuff" & still vent the fuel tank safely as they're doing.
 

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Here in the rest of the world, the small fuel tank vent pipe (which plugs into the cannister) just exits down low under the bike where it can't drip fuel on a hot header pipe.
 
The point is to do whatever all the Pan European bikes are doing & as I said get rid of all the "stuff" & still vent the fuel tank safely as they're doing.
Without checking I don't know if the ST1300 ECM monitors the operation of that system beyond operating it. You might want to check to see if missing any of those components would set a failure code.

It is an effective system that rarely presents problems. Unless you have designs on using the space that those items currently consume for something else curiosity still asks why?
 
To get rid of that big canister & the big frame it's attached as well as the large solenoid. Obviously the Pan Europeans bikes have a way to vent the fuel vapors since they don't have this device on them. I'm hoping I can get some answers.
I don't know if the 1300 computer monitors correct purge flow. I would suspect it does because the computer controls the purge solenoid.
 
Here in the rest of the world, the small fuel tank vent pipe (which plugs into the cannister) just exits down low under the bike where it can't drip fuel on a hot header pipe.
Fuel would have to go through the canister first but there is no fuel in the canister and should never be. It's called a vapor canister in the real world.
 
Hopefully he will clarify what he meant but I think that what he meant is that the fuel tank vent pipe that plugs in to the vapour canister on North American ST1300's vents directly to open atmosphere in some other markets because there is no canister.
 
Without checking I don't know if the ST1300 ECM monitors the operation of that system beyond operating it. You might want to check to see if missing any of those components would set a failure code.

It is an effective system that rarely presents problems. Unless you have designs on using the space that those items currently consume for something else curiosity still asks why?
To eliminate 2 items (canister & solenoid) that can go bad & knowing the Pan European bikes don't use that system in the first place & those bikes seem to keep it simple & just has a vent hose leading down to a safe exit area at the bottom of the bike. What I'll do before anything is run the bike with the solenoid unplugged & see if I get a code. Here's a side note...on very hot summer days once in while I've gotten whiffs of fuel when riding knowing the fuel is cooking with as hot as these bikes get. I just did a complete header wrap which is when I saw the Evap Control System.
 
...on very hot summer days once in while I've gotten whiffs of fuel when riding knowing the fuel is cooking with as hot as these bikes get.

Did you ever hear the fuel "boiling" in the tank on a hot day?

Wondering if ditching the evap might put a stop to that.

Maybe EU/OZ can tell us if they ever hear boiling or not.
 
Couple things for you to ponder.

About the only thing that can fail is the solenoid and the failure rate of these is pretty much non-existent as far as I know. Even if there was a failure repairing it is probably less time consuming than removing it. The most likely problem is that the vent line to external air gets clogged with road dirt. This takes a few seconds to fix.

If you are getting whiffs of fuel when moving I highly doubt that it has anything to do with the vapour canister. Have you checked your fuel cap? Maybe the source of the fuel smell is from there. The canister traps and contains fuel vapours. If it is removed is there a possibility of then having a fuel smell from a hot stationary motorcycle as the fuel vapours from a hot fuel tank are now venting unrestricted.

On some of my older motorcycles that did not have a vapour canister this was the case when I came home and put them directly in to a closed garage with a hot engine. I never have had that with any of my motorcycles that have had a canister, including my ST1300.
 
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