December 24, 200421 yr Hi all, I have my bike in a hundred bits at the moment and have decided to clean the front pipes. I would like to know what you guys use to decoke/ clean the front pipes with?? (the front header and mid section) The bike is a montesa 315 i know that this topic has been up before but cant find it!! Thanks in advance and merry christmas everyone!!
December 24, 200421 yr Hot Caustic Soda is the stuff you require. Pretty 'orrible & messy stuff to use. Need to watch it on alloy (can't remember if it is safe to use on alloy since I grew out of twostrokes several years ago!) Remember it as Caustic - like your wit! and Soda - what you should never add to a good Malt! The other way is to burn it out using either a propane or Acetylene blowtorch - this is also very messy (& smelly!) Just been checking an old '50's lightweight motorcycle & cyclemotor book - when 2 strokes were in their prime. Caustic Soda is NOT to be used on alloy. Some brief comments from the book - lets know ifyou want to borrow it! Make up the mixture at 2lb per Gallon of water (don't expect metric units in a 50's book!) Only ferrous parts can be cleaned this way Dont let the solution splash on your hands, it is an irritant - it will cause a rash 'similar to stinging nettles'. If the solution is kept hot after 1/2 minute or so the parts will be cleaned. Merry Christmas & Happy Hogmany to alll Edited December 24, 200421 yr by g4321
December 24, 200421 yr Make up the mixture at 2lb per Gallon of water (don't expect metric units in a 50's book!) Handy Unit Conversion !
December 30, 200421 yr Caustic soda (sodium hydroxide) solution is very damaging to eyes so make sure you protect yours before you start any mixing and heating. Caustic soda solution will dissolve aluminium (alloy) and zinc within seconds so keep it away from anything that isn't steel, stainless steel, cast iron, PVC or PE. Glass is OK chemically but easily broken.
December 30, 200421 yr You can also use Nitromors ( Paint stripper ) Block one end up then pour a load in and slosh it all about. Leave for about 10 mins then slosh again Repeat a few times then block the other end up and do the other end of the pipe. Watch your eyes when splashing it about. Jet wash it all out. Job done ** Dont leave it in the pipe for too long as Nitromors hardens ! Works for me !
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