Tip n°4
June 14th 2011 08:26
Now you're going to work on the motor itself.
You start with the air filter: cleen it, or change it. If you live in a blace with cleen air, you can even remove it. just be carefull it canbreak your engine if dust or sand gets in it.
Then the fuel injection: make sure the fuel pipe is not obstructed.
Then comes the carb: Remove it, open it, clean it. There should be two things obstructing it: The throttle: it is thone that moves when you turn your wrist on the handlebar. Make sure it does not block the air intake too much when it is open.
The other obstruction mixes the air and fuel. take a drill and put an extra hole on each side of it (not too big).
Then make sure the pipe going from the carb to the motor is cleen.
Then take out the exhaust. Put detergent, high presure water spray, a lot of air, what you want, put it must be clean (a bit anyway) and you should feel you are blowing through an empty pipe when you blow through the exhaust (although blowing through an exhaust isn't exactly the smartest thing to do...). Be carefull when you put it back not to leave any leaks, (same for the carb and everything else actually.)
Now you open the actual motor block. (this is for 2 stroke engines). You carefully seperate the different parts. You want to see neatly in font of you the spark plug, the cylinder, the piston, the shaft, and the bead bearings. You cleen everything, if some parts are a bit rough you smoth them down gently with fine sand paper. You put a drop of engine oil on all the parts and spread it with a greassy cloth. The parts sould be greasy but more or less dry. Put everything back together. Ride. se if there's an improvement. If not: Your moped was already good, you haven't fixed it well, or it has a major problem.
In that case post it.
Next tips are for less legal tuning, but it's even more interesting.
You start with the air filter: cleen it, or change it. If you live in a blace with cleen air, you can even remove it. just be carefull it canbreak your engine if dust or sand gets in it.
Then the fuel injection: make sure the fuel pipe is not obstructed.
Then comes the carb: Remove it, open it, clean it. There should be two things obstructing it: The throttle: it is thone that moves when you turn your wrist on the handlebar. Make sure it does not block the air intake too much when it is open.
The other obstruction mixes the air and fuel. take a drill and put an extra hole on each side of it (not too big).
Then make sure the pipe going from the carb to the motor is cleen.
Then take out the exhaust. Put detergent, high presure water spray, a lot of air, what you want, put it must be clean (a bit anyway) and you should feel you are blowing through an empty pipe when you blow through the exhaust (although blowing through an exhaust isn't exactly the smartest thing to do...). Be carefull when you put it back not to leave any leaks, (same for the carb and everything else actually.)
Now you open the actual motor block. (this is for 2 stroke engines). You carefully seperate the different parts. You want to see neatly in font of you the spark plug, the cylinder, the piston, the shaft, and the bead bearings. You cleen everything, if some parts are a bit rough you smoth them down gently with fine sand paper. You put a drop of engine oil on all the parts and spread it with a greassy cloth. The parts sould be greasy but more or less dry. Put everything back together. Ride. se if there's an improvement. If not: Your moped was already good, you haven't fixed it well, or it has a major problem.
In that case post it.
Next tips are for less legal tuning, but it's even more interesting.
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