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2007 Hero Honda Passion Plus Questions & Answers
Bike release black smoke
black smoke means to much fuel in the combustion chamber, the black smoke is the excess fuel that not get burned on the compression stroke, adjust the air/fuel mixture, dial fuel back lil by lil til no more smoke
Hero duet petrol tank fuel valve leaking frequently. Changed valve no. of times.please give solution
take the dirt out of the tank . run it till its about empty, or will barely run. Cut the gas off to the engine and run it dry.
Take the tank off and turn it upside down and drain it. Put just a tint bit of fuel in the tank, cap itt off, shake it, and drain it again until the fuel comes out clean without dirt.
Look inside the tank with a flash light (not matches, lol) and see if it is rusted.
if it is rusted you will have to fill it with penetrating oil and shake it every few hours for a few days to eat up the rust, then rinse it with fuel, and try it on the scooty again
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