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Old 02-17-2013, 09:13 AM   #1 (permalink)
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Why does bike stink up garage after ride?

The last couple of months I have noticed that my bike puts off a tremendous exhaust/raw gas smell after a ride. It is so bad I can't stand to go back into the garage till the next day. I have checked for a gas leak and found none. It is fine the next day, its only right after the ride that I notice it. And, it did not used to do this, something has changed. Any ideas?

It is an 2009 FLHTC, stock except of mufflers.
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Last edited by luvmy09; 02-17-2013 at 09:16 AM. Reason: add info
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Old 02-17-2013, 09:49 AM   #2 (permalink)
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Quote:
Originally Posted by luvmy09 View Post
The last couple of months I have noticed that my bike puts off a tremendous exhaust/raw gas smell after a ride. It is so bad I can't stand to go back into the garage till the next day. I have checked for a gas leak and found none. It is fine the next day, its only right after the ride that I notice it. And, it did not used to do this, something has changed. Any ideas?

It is an 2009 FLHTC, stock except of mufflers.
How is the motor running?????




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Old 02-17-2013, 09:52 AM   #3 (permalink)
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Nitram_b4 is reading this now saying WTF is this?
might be burning rich and you are getting a half burnt fuel smell
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Old 02-17-2013, 09:53 AM   #4 (permalink)
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Catalytic converter?
Bugs and bug guts decomposing?
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Old 02-17-2013, 11:12 AM   #5 (permalink)
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Thermodyne is reading this now saying WTF is this? Thermodyne is reading this now saying WTF is this?
Well if it's not an external leak, then it gets a little hard. But an 09 should have no fuel smell sitting in the garage, the fuel system is sealed.

It could be a bad cap or a leak in the vapor recovery system. Something like a disconnected hose between the canister and tank. Or even a malfunction in the purge system. Anything been changed on the scooter that might have effected the purge system.

It could also have a leaking injector. You'll have to pull the air cleaner and open the throttle so you can look into the intake. A leaking injector will leak fuel into the hot intake after you turn the scooter off. Just a drop or two will make quite a lot of fuel smell.
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Old 02-17-2013, 11:12 AM   #6 (permalink)
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Motor runs fine, I don't notice any smell when riding, other than the usual Harley exhaust smell.

No converter.
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Old 02-17-2013, 11:15 AM   #7 (permalink)
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My 2010 has done this since new if I run it into the garage hot and shut the door. My I let it cool off a little bit and all is well.
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Old 02-17-2013, 11:18 AM   #8 (permalink)
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Aaaahhh, I bet that's what it is, a leaking injector. That's what the smell is like, hot gasoline combined with exhaust. Thanks, Themodyne I will check that out.
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Old 02-17-2013, 06:19 PM   #9 (permalink)
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What does your oil smell like? If it's smelling as bad you say you might want to see if your oil smells like a ton of gas is mixed with it.
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Old 02-19-2013, 08:07 PM   #10 (permalink)
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Just realized you DID say "raw gas" smell in the original post.
I had skimmed it the other day and somehow read "garbage" and thought that was the smell you were noticing. Hence the oddball suggestions I made in the other post.

Carry on.
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Old 02-19-2013, 08:36 PM   #11 (permalink)
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dynageno is reading this now saying WTF is this?
I get that raw gas smell too with my new Mikuni 42 Carb. It goes away after awhile. Don't see any leaks anywhere either, just smells a lot around the AC.
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Old 02-19-2013, 09:14 PM   #12 (permalink)
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are you using oxegynated fuel [ie corn gas]?
when you shut the engine off it will heat sink and boil the fuel, it could have enough pressure in the fuel line to push the fuel past the injecters or if it has a carb it will push the fuel through the overflow and into the intake thus causing the raw gas smell
let the engine cool off a bit before putting it into the garage and quit running the cheep gas if you are
good luck
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Old 02-19-2013, 09:44 PM   #13 (permalink)
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Why does bike stink up garage after ride?

I had the same problem once, don't remember what bike, but, it needed a new gas cap.


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Old 02-20-2013, 09:28 AM   #14 (permalink)
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Can anyone tell me the proper way to check for a leaky injector? It is ok to manually open the throttle plate with my fingers? It won't seem to open any other way. Then what?

My manual says see the electrical diagnostic manual which I do not have, thanks.
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Old 02-20-2013, 10:36 AM   #15 (permalink)
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Quote:
Originally Posted by luvmy09 View Post
The last couple of months I have noticed that my bike puts off a tremendous exhaust/raw gas smell after a ride. It is so bad I can't stand to go back into the garage till the next day. I have checked for a gas leak and found none. It is fine the next day, its only right after the ride that I notice it. And, it did not used to do this, something has changed. Any ideas?

It is an 2009 FLHTC, stock except of mufflers.
My 02 Ultra I bought new has been doing it for 92,000 miles. I just leave the garage door open for a while after riding.
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