SOHC.co.uk Forums > CB750
‘750 Start gremlin.
K2-K6:
That's a fully formed, with appropriate additives, engine lubricant Ted. Effectively to run in place of "ordinary" engine oil for those users that need it.
I use this, straight undoctored base oil as I'm not testing as primary lubricant https://www.amazon.co.uk/Castile-Liquid-Soap-Base-Litre/dp/B07D8VC7DX/ref=asc_df_B07D8VC7DX/?tag=googshopuk-21&linkCode=df0&hvadid=344409848636&hvpos=&hvnetw=g&hvrand=11876244962003662064&hvpone=&hvptwo=&hvqmt=&hvdev=t&hvdvcmdl=&hvlocint=&hvlocphy=9045911&hvtargid=pla-682847856424&th=1 but as addative effectively.
Oddjob:
You're burning what is essentially soap in an engine, very weird.
Johnny4428:
I use the same Nigel, probably your recommendation.
K2-K6:
--- Quote from: Oddjob on August 11, 2023, 03:56:54 PM ---You're burning what is essentially soap in an engine, very weird.
--- End quote ---
;D ;D
100% pure castor oil, made from beans innit :) and base oil not only for those race engine oil types, but skin treatment, lipsticks etc, along with Carnuba wax in car polish + lippy too.
Essentially its a mineral oil straight from bean without having to go through millions of years rotting and compressing into crude oil, only for us to get it out of the ground and refine it.
Castor has one of the highest shear/film strength of any oil, hence its useful attributes for this sort of thing.
Wakefield (I believe) was the oil company that predominantly brought it to motor use, so successfully it renamed the company "CASTROL" in a contraction of caster-oil words to define itself.
Lobo:
On the other hand, light aircraft with piston engines have to drain fuel samples from special fuel drains every day in the first pre-flight inspection. Transparent containers show separated water at the bottom.
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To be fair here, the issue here is more related to faulty fuel cap seals with the aircraft standing out in rain, washing etc. Light a/c will typically have vertically mounted filler caps, and often recessed - which only exacerbates this. Bad fuel can too be an issue. I’ll stop washing the bike!
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