SOHC.co.uk Forums > CB750

Green stuff in the carbs!!

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BigAl (Alan):
Modern fuels have around a month long shelf life, after this time the volatile elements within it start to evaporate off and degenerate into a 'green furry residue' within the carb bowls...not my words, extract from December 'Tansha' VJMC magazine by Neil Kidby concerning problems with Ethanol & the other stuff ...very good article

MarkCR750:
I put Sta-bil fuel stabiliser in my CR last time I ran it 4 months ago, I fired it up last week and to my great surprise it started and ran fine, I'll whip a bowl off soon and report back.
You can get stabil on eBay it's not very expensive .

Greebo:
This does the same job as the Sta-bil additive but much cheaper

http://www.ebay.co.uk/itm/Genuine-Briggs-Stratton-Fuel-Fit-250ml-992381-Stabiliser-Keeps-Petrol-Fresh-/381160532252 . single 250ml Bottle £5.83

http://www.ebay.co.uk/itm/2-x-GENUINE-BRIGGS-STRATTON-PETROL-STABILIZER-FUEL-ADDITIVE-992381-fuel-fresh-/191797188224 £10.85 for 2 250ml bottles


Part Number 992381. 250ml Fuel Fit treats up to 25 litres of unleaded fuel. Use Briggs Stratton Fuel Fitâ„¢ fuel stabilizer products to help keep your fuel fit for up to 3 years, promote quick starting,...

MarkCR750:
Thanks Greebo I'll get that next time.

onethumb:
Thanks all.
 Now I know.
 Bike hasn't been on the road since 1998 so this is to be expected. All the float valves are bad, two of them are stuck in the closed position two have lost their bounce. David silvers is getting some of my hard earned today.

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