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I posted this in the Low Rider S thread but thought I would post here to get some more opinions.
Anyone with a California bike remove the Evap Charcoal Canister? If so, did you just leave the hoses in place? Do you have to plug one or more of them? I know one hose goes to a purge valve solenoid or something like that from the diagram. One hose just vents to the air. The other goes up to under the fuel tank.
According to the service manual, the one hose from the purge valve solenoid will draw from the canister to the intake for combustion. So, if I remove the canister without plugging the hose, I am concerned with unfiltered air being drawn into the engine.
I did a search on this topic, but they were all older threads and I didn't see anything for the late model Canbus bikes like my Low Rider S. Also, want to make sure that I won't get any type of check engine light, error code, etc.
My local dealer tech told me I just have to take off the canister and leave the hoses in place and just tie them to the frame rail. He didn't seemed to be concerned with plugging any of the hoses.
The only reason I want to do this is so I can mount a Jagg Low Mount Oil Cooler as I don't like the looks of a Vertical Oil Cooler on the frame rail.
IM pretty sure you have to plug the hose coming from the bottom of the tank as well as the port on the throttle body, then you can remove the canister and all the hoses. Why would you leave the hoses on the frame?
Last edited by emperor wurm; Mar 24, 2017 at 11:31 AM.
Reason: sdf
One hose goes to the throttle body. Put a small rubber cap on the port on top of the throttle body to block it. A short piece of gas hose with whatever you can find to plug it will work. The other hose goes to the gas tank vent line. Leave the section of that hose in place from the gas tank down through the little check valve and extend the remaining portion down somewhere under the frame. I used the existing hose and cut it to length so it exhausts safely below the bike. The can and what's left of the hoses can be removed without affecting performance. If you're dumping the CA emissions stuff, may as well think about drilling a small hole or holes in the back of your air cleaner and adding some vacuum hose to vent the rockers outside of the throttle body too. Same thing, exhaust below the frame, mine comes out near the rear wheel. Some prefer to put a filter or check valve on that line to prevent dirt / dust from getting sucked back into the rockers. I haven't seen any evidence that the draw back could go back up 20 or 25 inches of line.
Last edited by Robottom; Mar 24, 2017 at 12:09 PM.
I'm not sure about the newer bikes, but when I did my 2006 I covered the port on the intake and got the 49 state vent hose and connected it to my original vapor valve, then removed the canister and hoses that were no longer used. See the below links so you can figure out what you need and don't need.
Your bike has a Purge Valve Solenoid, so you might have to keep that inline, I'm not sure if removing it will cause an engine code.
Took everything off mine when I installed a true track. Take it all off. U can also remove the purge solenoid too. No check engine light. The other guys explained what to plug at the tb and leave from the tank.
The first weekend after purchasing the bike. Later on installed oil cooler and Sputhe stabilizer in that location. Like WS6 said, the "49 state" parts are shown in the parts catalog. Also shown is the little rubber cap for the throttle body in case you don't have something on hand.
Last edited by harley_jeff; Mar 24, 2017 at 06:36 PM.
OK, I got home, capped off the two ports in the Solenoid, and reinstalled it...no more Check Engine light (edit: replaced screenshot with real images):
Lots of great videos out there, fortunately I found one that has *complete* instructions:
One hose goes to the throttle body. Put a small rubber cap on the port on top of the throttle body to block it. A short piece of gas hose with whatever you can find to plug it will work. The other hose goes to the gas tank vent line. Leave the section of that hose in place from the gas tank down through the little check valve and extend the remaining portion down somewhere under the frame. I used the existing hose and cut it to length so it exhausts safely below the bike. The can and what's left of the hoses can be removed without affecting performance. If you're dumping the CA emissions stuff, may as well think about drilling a small hole or holes in the back of your air cleaner and adding some vacuum hose to vent the rockers outside of the throttle body too. Same thing, exhaust below the frame, mine comes out near the rear wheel. Some prefer to put a filter or check valve on that line to prevent dirt / dust from getting sucked back into the rockers. I haven't seen any evidence that the draw back could go back up 20 or 25 inches of line.
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Ca Evap Canister Removal on late model
