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+--- Thread: Temporary lack of power (/showthread.php?tid=81391)
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Re: Temporary lack of power - His Dudeness - 21-01-20
That Silkolene stuff smells like alcohol so it's probably mostly just isopropol alcohol the same as darrsi uses. Even with the heater circuit open I wonder could you still have carb icing because it would take a few miles for the coolant to warm up especially on a cold day.
There's an interesting chart on carb icing https://www.flightsafetyaustralia.com/wp-content/uploads/2016/01/Icing-chart-1024x699.png
Re: Temporary lack of power - darrsi - 22-01-20
(21-01-20, 07:38 PM)His Dudeness link Wrote: I've got a bottle of this stuff. It's supposed to help prevent carb icing. Might be worth a try https://www.silkolene.com/motorcycle/fuel-additives/pro-fst/
That's exactly the stuff i was on about, being an expensive version, but it doesn't work anywhere near as effective as 99% I.P.Alcohol, and is more costly for one litre than it is for the alternative 5 litres.
This is not something i have done on a whim, i totally researched it all before i tried using pure alcohol, and the reason i did research it was because the Silkolene wasn't really any good so i was looking for another better/cheaper product.
My bike does suffer from carb icing, no ifs or buts about it, even after having the heater circuit cleaned, and i know exactly how the bike behaves when it happens, and also which temperatures, so now i put that 1% ratio (200ml to 20,000ml fuel for my 20 litre tank) in the tank as soon as the colder weather kicks in and i don't have to worry about it whatsoever throughout the rideable winter.
I used to use 300ml every time, but kept lowering it to see the least amount i could get away with, but it burns exactly like petrol and will also absorb any unwanted moisture from your fuel tank and burn it off as fuel as well. Removing this moisture/water also lessens the chance of icing, plus the alcohol lowers the freezing point in the first place.
My cooling system itself has always been spot on, but i do Radflush the system probably every 3 years, and replace the coolant with the yellow bike stuff. Works for me, and i'm happy doing that as part of my own servicing routine.
Something to point out, propeller planes suffer from carb icing too. Just something to ponder over if you ever get to fly in one :lol [size=78%] [/size]
Re: Temporary lack of power - darrsi - 22-01-20
Please note that there are 2 versions of Isopropyl Alcohol about, a the 99+%, and also a 70% with 30% water version, which is used for cleaning.
Obviously, avoid the one with any water in it, and only use the 99% version.
Re: Temporary lack of power - Gnasher - 22-01-20
(22-01-20, 07:40 AM)darrsi link Wrote: My bike does suffer from carb icing, no ifs or buts about it, even after having the heater circuit cleaned
Then it's still blocked or restricted somewhere, either the link pipes or in the carb body galleries. When operating correctly the bike will 100% not ice, the system is based on systems first used on WW1 aircraft and it's totally effective.
Re: Temporary lack of power - YamFazFan - 22-01-20
(22-01-20, 07:40 AM)darrsi link Wrote: Something to point out, propeller planes suffer from carb icing too. Just something to ponder over if you ever get to fly in one :lol
Now he tells us :wall
I had a ride in a 1930's de Havilland Dragon Rapide about 20 years ago.
Fortunately it was summer time. Phew! :woot :lol
Re: Temporary lack of power - Gnasher - 22-01-20
(22-01-20, 09:07 AM)YamFazFan link Wrote: [quote author=darrsi link=topic=25871.msg308322#msg308322 date=1579675200]
Something to point out, propeller planes suffer from carb icing too. Just something to ponder over if you ever get to fly in one :lol
Now he tells us :wall
I had a ride in a 1930's de Havilland Dragon Rapide about 20 years ago.
Fortunately it was summer time. Phew! :woot :lol
[/quote]
:rollin :rollin :rollin :rollin :rollin :lol :lol :lol
They sure do in the early days mainly only at 10k plus. Carb bikes suffer due to intake speed.
Re: Temporary lack of power - Skippernick - 24-01-20
Took the bike today, started no worries and no problems at all, apart from the now confirmed holy exhaust.
Im guessing wetness somewhere, but wouldn't bet on it.
Thanks all.
Re: Temporary lack of power - Gnasher - 24-01-20
Nope it's warmed up so no icing, proof will be when it drops below 5ish.
Re: Temporary lack of power - Skippernick - 25-01-20
cheers Gnasher, ill let you know.