carbon removal

3 replies to this topic
  • jenkins68

Posted March 19, 2010 - 06:40 PM


hey guys to TT, hoping someone can help me using oven cleaner safe for cleaning the carbon from the valves,exhaust ports and combustion chamber on a 06 yz 450 ann. edition.not sure about any special coatings it could destroy.thx in advance for the help

  • Gunner354

Posted March 19, 2010 - 07:01 PM


WD 40 will remove the carbon. Just fill the head with WD and let it soak overnite. Learned this from a very reputable drag race motor builder. Worked great on my WR 250.

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  • intensem1rider

Posted March 20, 2010 - 08:16 AM


I also like putting sea foam in there, it eats away at the carbon.

  • jenkins68

Posted March 20, 2010 - 09:00 AM


oven cleaner worked fantastic on my old yz 250 power valve(it was like brand new when i was done).i"m just curious obout using it on my 06 yz 450,is it gonna ruin my valves and or valve's pretty powerfull stuff

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