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Hi Bob just and update on the RYOBI RCS4040ca engine tuned and running. Finally the carb cleaned through and tuned it with the HL screws. Further problem now though is the oiler isn't pumping oil onto the chain. Cleaned out the channels to no affect, however thought I would try to remove the...

Many thanks again Bob. I spent an hour going through fundamentals on 2 stroke carbs and they all seem to pull air and fuel from the carb, none of them push it into the priming chamber. So your prognosis that someone had routed the fuel lines wrongly was absolutely correct. Having now correctly...

Thanks for reply. The Holts aerosol specifically says that it contains lubricant so is suitable for 2 stroke engines. I wouldn't know whether they are spinning a yarn or not on this, but I did only run it for fifteen seconds with the engine start. Saying that there was so much petrol lub mix...

Bit demoralizing. Got a Ryobi very cheap: cut two small bushes/trees, saw cuts out and won't start. Spent 4 hours, two spark plugs, two different carbs(guy have me an old spare engine with it) and a can of Holtz. Saw has 100psi cylinder pressure,which is enough to get it going on the Holtz, soon...