carb icing - Isoproponol question.
 

How much should i be adding to a tank?
As some of you know my bikes running crap and im going to add some of this to tank to try and rule out carb iceing.

Cheers me dears!
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Re: Isoproponol question
 

Don't know, Pro FST is only added as 1-2% in the tank although I don't what's in it (maybe someone can have a look on the back of the bottle).

I'd say 1% of IPA would let you know as it will inhibit freezing of water, but at what levels (if any) of IPA you start to see changes in running I've no idea.

I'd be tempted to get some FST instead, figure out if it's Icing then play with adding IPA. Determine the cause first then try alternate solutions.

Ste

Re: carb icing - Isoproponol question.
 

Sorry if this is a stupid question (as im good at those) havent you got carb heaters on your model? as thats supposed to stop the icing.

Re: carb icing - Isoproponol question.
 

Yeah they don't work.

Carb icing will not happen on start up anyway, only when you have been going a while

How much isoproponol should i put in the tank mate? Is it 100 ml to 10 ltrs of juice? Will it do any harm if i put too much in?


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Re: carb icing - Isoproponol question.
 

Yeah 100:1 is fine. Not sure, I wouldn't want to try run it at 50/50 or something daft like that but if you end up mixing 100ml to say 7l of juice I doubt it would cause any bother.

Cheers for that pal, will give it a go.


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Re: carb icing - Isoproponol question.
 

I would say anything up to 5% shouldn't cause any problems, but obviously from the point of view of cost the less you can get away with the better.

1% might be a bit mean to achieve any significant effect. Try it and see.

Found this useful (?) carb-icing probability chart , it might help you decide if carb icing is likely to be a problem.