Additive for reducing carbon buildup - Road Glide Forums
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post #1 of 22 (permalink) Old 05-27-2014, 07:55 PM Thread Starter
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Additive for reducing carbon buildup

Anyone use an additive for reducing carbon buildup? I've heard people say additives are bad, curious what others are doing. Hoping to minimize carbon buildup and the problems that are associated with it. Thanks!

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post #2 of 22 (permalink) Old 05-27-2014, 08:42 PM
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Not sure how to tell you but Twist the Throtle and no more carbon

09 FLTR 103 Stage III
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post #3 of 22 (permalink) Old 05-27-2014, 08:48 PM
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Unless you are running a very rich fuel mixture from an aftermarket tuner your motor probably will not get much carbon build-up. Most of the high octane fuel such as Shell Gold clean the engine as you drive it. But there are fuel injector cleaners which are fine to use. When I use them I usually go for a long ride to run the injector cleaner through. I feel uneasy about letting it sit for days or weeks in the tank and fuel lines.

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post #4 of 22 (permalink) Old 05-27-2014, 09:26 PM Thread Starter
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Quote:
Originally Posted by connector View Post
Not sure how to tell you but Twist the Throtle and no more carbon
No problems there!

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post #5 of 22 (permalink) Old 05-28-2014, 09:17 AM
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To lower carbon build up you need to remove the head breathers from being drawn into the intake and routed to a catch can. This will lower the carbon build up in the combustion chamber and on top of the pistons.

Loose valve guides or guide seals that leak, piston rings that dont seal well and too much fuel can contribute to carbon build up as well.

Seafoam & Marvel Mystery oil added in small amount with each fill up along with using quality fuel can help.


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post #6 of 22 (permalink) Old 05-28-2014, 10:14 AM
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Fuel additives are bad for the O2 sensors, STAY away from them and just run good fuel and make sure you have a good tune.


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post #7 of 22 (permalink) Old 05-28-2014, 01:29 PM Thread Starter
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Thanks for the replies. I'll look into routing the breathers externally. For now I'll just continue riding the crap out of it. I had an excessive amount of carbon buildup on the last top end on this bike, but it also used oil. It had enough carbon build up to cause piston to head contact. I know the tune is good and it runs really well, so I probably don't need to worry about it.

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post #8 of 22 (permalink) Old 05-29-2014, 01:54 PM
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Quote:
Originally Posted by ironmark View Post
Fuel additives are bad for the O2 sensors, STAY away from them and just run good fuel and make sure you have a good tune.
I have after market pipes with no O2 sensors and PCV. No need for them with a good tune.
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post #9 of 22 (permalink) Old 05-29-2014, 06:17 PM
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What happened to the old days when you would just squirt some ice water in the carb. It would send all the carbon out the tailpipe like shrapnel. I reckon technology makes everything better?

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post #10 of 22 (permalink) Old 05-30-2014, 10:31 AM
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Ice Water

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Originally Posted by Lidflipper View Post
What happened to the old days when you would just squirt some ice water in the carb. It would send all the carbon out the tailpipe like shrapnel. I reckon technology makes everything better?
I remember doing that.

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