Maintenance & Technical > KX500 Original

De-carboning a pipe?

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KXcam22:
KXp,
 That is a good idea and would work well.  In the old days we used to light them up with a welding torch and burn it out. Smelly but fun.  With the oil and lean ratios I run I never encounter enough carbon to worry about.

Motorrad:
No rocks they break into sharp fragments.

I do alot of gastanks with a handfull of sheetmetal screws metal prep and alot of shaking (have straped them to the back tire on my 4x4 in low range and let it clunk away for a while back tires off the ground)

for a pipe. I'd suggest a few cans of oven cleaner followed by a few handfulls of sheet metal screws. (sealed up of course). And shake shake shake

sheet screws work good cuz they are sharp and cut through the goo. But won't damage the metal with any shaking you can do.    Hex headTek screws work better due to being sharp at both ends

kxpegger:

--- Quote from: KXcam22 on November 16, 2009, 01:50:29 PM ---KXp,
 That is a good idea and would work well.  In the old days we used to light them up with a welding torch and burn it out. Smelly but fun.  With the oil and lean ratios I run I never encounter enough carbon to worry about.

--- End quote ---

I don't notice any real heavy buildup that would seriously effect performance except at the first few inches of pipe or where the pipe flange weld is. I usually scrape that out and don't worry to much about the rest of the pipe. I think you're right about the newer oils and proper jetting! Carbon buildup is not as huge a problem as it used to be if things are tuned right and you're on the gas enough to heat the pipe up a little. We used to bring our pipes into metal shop back in the 70's and give them the torch treatment like you stated. Back then the pipes were painted flat black and I can't remember anyone with a pretty nickle or chrome plated pipe!

KXcam22:
KXp,
  Thats true. By the time it was time to decarbon the pipe it was also time to paint it. Cam.

Good:

--- Quote from: jfabmotorsports.com on November 16, 2009, 12:21:18 PM ---I hate to say this out loud but I will anyway. When I was young 12-14 maybe, I would take the pipe from my rm100 and put it in a small brush pile fire for a bit and them tap it with a rubber hammer. It got an unbelievable amout of carbon out. A little red neck Im sure but me were farmers and had red necks!

--- End quote ---
That's exactly what I was thinking!!!

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