Is this safe to remove?(Charcoal canister)

17969 Views 20 Replies 12 Participants Last post by tooblekain, Jan 5, 2018

Matthew Crowe

Discussion Starter · Jul 20, 2015 (Edited)

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Maverick

· #2 · Jul 21, 2015 (Edited)

Carbon/Charcoal canister for emissions.

You can remove it if you want. The line from your tank to the rollover valve then to the canister should be free to vent to the ground (keep the roll over valve inline). The line to your throttle body can be removed and cap the throttle body nipples.

You will notice a fuel smell around your bike on hot days though, will void your warranty, and wont pass emissions in California and likely other states/countries

Text Line Diagram Line art Drawing

Oh and you'll tick off the Greenies out there by contributing un necessary hydrocarbons into the environment

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Matthew Crowe

Discussion Starter · #3 · Jul 21, 2015

Maverick said:
Carbon/Charcoal canister for emissions.

You can remove it if you want. The line from your tank to the rollover valve then to the canister should be free to vent to the ground (keep the roll over valve inline). The line to your throttle body can be removed and cap the throttle body nipples.

You will notice a fuel smell around your bike on hot days though, will void your warranty, and wont pass emissions in California and likely other states/countries

View attachment 9129

Oh and you'll tick off the Greenies out there by contributing un necessary hydrocarbons into the environment

Thanks.
I probably will not be the only one at the track making them mad!!

Reactions: 1

Maverick

· #4 · Jul 21, 2015

Just checked my Canadian bike, mine doesnt have one or its mounted somewhere else. Not into looking for it any harder today.

Stirz

· #5 · Jul 21, 2015

Be sure to block off the bung at the throttle body and re-route tank vent hose should you pull it.

Matthew Crowe

Discussion Starter · #6 · Jul 21, 2015

I live in Texas and am turning it into a track bike only. Trying to remove all unnecessary weight and Hippie BS!

Stirz

· #7 · Jul 21, 2015

Matthew Crowe said:
I live in Texas and am turning it into a track bike only. Trying to remove all unnecessary weight and Hippie BS!

532 grams, but who's counting?

Matthew Crowe

Discussion Starter · #8 · Jul 21, 2015

Stirz said:
532 grams, but who's counting?

That's an extra chicken finger the night before a race!!

Reactions: 2

FangShui

· #9 · Jul 21, 2015

Stirz said:
532 grams, but who's counting?

Looking forward to the "fighting weight" on your R3 once you're done with all the mods, etc.

Reactions: 1

Norton-Motorsports.com

· #10 · Jul 21, 2015 (Edited)

nevermind...

Maverick

· #11 · Jul 21, 2015 (Edited)

Im sure most know but the system works by bringing in fresh air via vacuum at the TB from the canister atmosphere vent and air is filtered through the carbon/charcoal and draws up with the fuel vapor trapped inside to be burned in combustion.

t-rav_12

· #12 · Jul 21, 2015

Maverick said:
Carbon/Charcoal canister for emissions.

You can remove it if you want. The line from your tank to the rollover valve then to the canister should be free to vent to the ground (keep the roll over valve inline). The line to your throttle body can be removed and cap the throttle body nipples.

You will notice a fuel smell around your bike on hot days though, will void your warranty, and wont pass emissions in California and likely other states/countries

[iurl="http://www.r3-forums.com/forum/attachment.php?attachmentid=9129&d=1437442571"]

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Oh and you'll tick off the Greenies out there by contributing un necessary hydrocarbons into the environment

...So in other words, it's perfectly safe to remove.

Reactions: 1

Matthew Crowe

Discussion Starter · #13 · Jul 21, 2015

Spoke with some mechanic friends and they said to block off lines at carb. and tank.

mgfchapin

· #14 · Jul 21, 2015

Matthew Crowe said:
Spoke with some mechanic friends and they said to block off lines at carb. and tank.

I agree you need to plug where the hoses go the throttle bodies, but you need to leave the tank vent open. It can implode if the fumes can't vent properly.

Reactions: 2

Mike-the-Bike

· #15 · Jul 22, 2015

I was going to ask the same question about that dumb EPA can. From the diagram under the passenger seat, it looks like we all have the "California" model (?). I mean really, a catalytic converter and an emissions canister on a 321cc engine?

Matthew Crowe

Discussion Starter · #16 · Jul 22, 2015

mike-the-bike said:
i was going to ask the same question about that dumb epa can. From the diagram under the passenger seat, it looks like we all have the "california" model (?). I mean really, a catalytic converter and an emissions canister on a 321cc engine?

amen!!

YamahaR3

· #17 · Jul 22, 2015

Matthew Crowe said:
Spoke with some mechanic friends and they said to block off lines at carb. and tank.

The carb?

Aufitt

· #18 · Jul 22, 2015

My bike has been on a diet but cannot find this?
obviously not looking hard enough,

for racing here, i'll have to plumb it anyway (if its there)-
k) Engine and gearbox breather tubes and the radiator bottle overflow must exhaust into the air box to the rear of the intakes. The lower air box breather tubes must be blocked

mgfchapin

· #19 · Jul 22, 2015

Aufitt said:
My bike has been on a diet but cannot find this?
obviously not looking hard enough

You probably don't have one. California has strict emissions standards and most manufacturers don't bother importing different models here for the other 49 states, so all US bikes have the canister.

Reactions: 1

J934

· #20 · Dec 29, 2017

Is it safe to remove the canister and just leave the hoses hanging (ziptied)? Or do you have to use block off plates and cap the hose as has been explained here?

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