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2
votes
2answers
64 views

a/f mixture for 4 cycle brushcutter

Hi I have a ryobi rbc430sbsb 4-cycle brushcutter. When I use brus cutter it seems to start relatively easy and seems to work reasonably well but when switched off it seems to be dumping fuel out ...
3
votes
1answer
662 views

Does opening the throttle mean a leaner fuel to air mixture for starting?

As per the title, if I'm starting a motorcycle or lawnmower or something similar with a carburetor and I know the mixture is too rich, does opening the throttle lean the mixture out? I've got a ...
4
votes
3answers
3k views

Percent of Air and Fuel used for Combustion

I've had this question for a long time. I know the percent will differ based upon the throttle position and will be either by stoichiometric ratio or rich mixture. The stoichiometric ratio (AFR) ...
10
votes
1answer
424 views

Is it possible to fit mashroomhead air filter in Honda Stunner CBF 125?

I have Honda Stunner CBF 125 2009 model. I just need to know is it possible to replace the typical air filter with mashroomhead air filter to improve the bike performance? Is there any other way ...