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CB500 Two weeks into ownership update

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K2-K6:
Looking further into product and found this

"Evapo-Rust uses a chelation agent, most likely EDTA (ethylenediaminetetraacetate)." From independent sources.

My understanding of edta from using it is to convert oxidised metals into soluble state to effectively remove them from substrate. In which case products containing this should just leave the non-oxidised alone.

Seems to be Ph 6.1 for Evaporust.

Oddjob:
I watched a test on YouTube where they tested the effects of various solutions on various metals, alloy, metal shavings, rust on steel, rust on iron, and even the effect they had on painted surfaces. All the parts were weighed before and after. The best were Evaporust and Molasses, Apple Cider vinegar and White Vinegar were also in the test. The vinegars peeled the paint off in a few days, so did the other 2 but took a lot longer with Molasses having the least effect, something to consider if paint is present and you don't want to harm it if at all possible. The vinegars gave the fastest results for the rust but were overhauled by the other 2 as time went by, Evaporust looked like a clear winner at one stage but Molasses just kept getting better and better the longer the test went.

In conclusion the winner was Molasses, because it gave a every so slightly better result than Evaporust and mainly because it was SO much cheaper per litre. I have 5 litres of Evaporust and I know how much that cost me. When weighed the molasses seemed to have eaten away less metal, Evaporust was second, neither ate much TBH and neither affected alloy in any way.

The vid was quite good except the fella spoke far too fast, why he including water in the test is beyond me and they was also a form of Hydrochloric acid used which didn't come out well at all.

All in all, it may be worth giving Molasses a try, it seems to work as well as Evaporust but costs about 1/6th of the price. Can't argue with those figures. 

McCabe-Thiele (Ted):
FWIW one odd thing about Evaporust is it turns Gudgeon Pins black and stains Chrome work.

Laverdaroo:

How strong was the Hydrochloric acid Ken?
I ask as I always use a one litre bottle of Hydrochloric for all the derusting I do and it strips rust in minutes. I get it from the Swimming pool shop labelled as Muriatic acid and costs about 9 quid. for fuel tanks its brilliant as swish it about for 10 mins and the inside is as clean as a whistle and down to bare metal. Touch of a wash out with some water followed by a bit of cherry diesel and its done. Takes less than an hour and under a tenner!

Builders merchants stock similar but its for cleaning drains (found in sealed plastic bottles in a sealed bag behind the counter usually and I found that to make it effective you wet the part you're cleaning first and dunk it in and watch it fizz like crazy. There's an exothermic reaction and it warms up as it goes, giving off hydrogen gas so do it in a well vented space, it can cling to your chest summut rotton and you'll cough like a donkey if you get a lung full of that.

gloves and goggles or specs a must and a vapour mast deffo!

Bloody good though!

Seabeowner:
If the bike goes as good as it looks I'm sure you will be well pleased. I see you have a choice of dip switches!? The one on the right is the correct one.
I'm also researching the molasses as I have one very rusty tank that I got cheap from DK.

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