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Cleaning Exhaust System

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What is the best way to remove oil and carbon buildup in an aluminum expansion chamber. I understand caustic soda will damage alum.

I`d say,click on the others tab at top of T/S home page then technical,you might find someting there.

Edited by gasgasssser

  • Author

In searching for cleaning methods I found some use Seafoam DeepCreep decarbonizing treatment for 2 stroke engines. Mostly the outboard motor group. Has anyone used this to decoke an engine or the exhaust system?

A long half mile wheelie, top gear blast up a dirt road at almost full throttle usually get my exhaust "on fire" and ususally burns up a lot of crap that gets stuck in there. Though I don't recommend the wheelie, it ends in embarassment sometimes lol, tank slapper I mean ergh... :D

I'm not sure if that's good for my bike or not but it seems to run cleaner and freer afterwards.

  • Author

We have a plan. About 2 gals of diesel mixed with one can of Seafoam. Submerge the expansion chamber or silencer in pan of that mix and check it every few hours. Since diesel itself has a cleaning agent, I figure it plus the Seafoam will do the job. I'll let you know in a few days.

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