this might seem simple, but the fuel lines have got me going nuts.
i have an ASP .46 v2 with remote needle does any one have a diagram on how to set up the fuel lines from the tank?
and whats with that presure nipple on the muffler were does that fit in ?

thanks, craig

Craig,
Lets start with the tank.
Two pieces of brass tubing should be entering it through the rubber stopper.
The tubing on the right, facing the tank, should be attached to the clunk, via some tubing, in the tank.
The clunk should reach ALMOST to the back of the tank. Hold it vertical and make sure it is free to swing without dragging.
On the outside this tubing should have a green or blue fuel line attached to it and goes to the needle valve.
The other tubing should enter tank and be slightly bent upward to the top of the tank - this is your vent.
The outside of the vent should have red tubing attached to it and this goes to the nipple on the exhaust.
Its purpose is to pressurize the tank and help push the fuel out.

On the motor the green/blue tubing goes from the tank to the needle valve. There will also be a small piece of
tubing going from the other side of the needle valve to the carburetor.

Now we are complete. The purpose of color coding is so when fueling never use the red tubing.
Also, when fueling disconnect the vent/red tubing from the muffler, when fuel comes out the tank is full.

I hope this explains it.
Good Luck,
KW_Counter

That pressure fitting on the muffler is to pressurize the tank vent.

ok, but my tank has 3 tubes coming out .
when i ran the engine in the config you suggested i couldnt rev the engine as too much fuel was being forced in and really flooding it causeing it to stop running and foul the plu which is brand new.
is it just a matter of tuning the needle valve?

Craig,
The third line is generally only used when the engine is inside a cowl. The third line goes to some type of fueler mounted on the cowl when you can't get to the carb (clunk) line for fueling.

In your case you should close off the third line some how.

The cause of your engine "flooding" is likely the needle valve being set to rich. Trying to run one of these engines on your own can easily result in running it too lean and causing damage, or even ruining it.

I'd suggest getting help.

Welcome to RCU by the way!
Dennis-

If your tank has 3 lines coming out of it, they should be as follows:

One line should bend up near the top of the tank. This is your pressure/vent line. It gets connected to the nipple on the muffler. Use one color line for this.

The other 2 lines should have pieces of tubing and clunks attached to them. Both of the clunks should be NEAR, BUT NOT TOUCHING THE BACK OF THE TANK. Take a second line of a different color than the pressure line and attach it to one of the brass tubes. Run this line to your needle valve on the engine.

The third line is for filling/draining the tank. Put the third piece of tubing, again, a different color, onto this brass tube. This line MUST have a SNUG FITTING plug for the end of the line.

So what you have now is, 3 different color fuel lines coming out of the tank. The line attached to the pressure/vent should be one color and goes to the muffler. The next line, which has a clunk on it, should be a second color and attach to the needle valve of your engine. The last line should also have a clunk on it and be a third color. This line must have a snug fitting plug in it (usually they are black). This line is for putting fuel into and removeing fuel from the tank. The plug MUST be inserted in the line for the engine to run properly. If the plug is not in the line, no pressure can build up in the tank. Also, remember to take off the muffler line when filling/draining the tank and put it back on afterwards.

Hope this answers your question about the third line.

You also need to check the height of your tank. If you have the throttle open and look inside the carb, you will see a brass tube sticking across the inside of the carb. This is the spray bar and should be even in height with the tube that runs from the tank to the needle valve on your engine (or reasonably close - within 1/4").

If that is incorrect, it can cause the excess fuel problem you have.

thank guys that really helped!

craig.

Yeah thanks- that info. really helped me too