I need diagram of 535 84 model for gas lines?I bought it without tank&need to no how lines run.. i have tank now oringinal for it

try running the car without tank cap & see the results

look in trunk under carpet for trap door
dropping tank easy flat 5/8 board jack and straps

There are no diagrams & they wouldn't help
you drop the fuel tank & resolve the issue

Make sure that you have the right size lines the smaller diameter line goes into the bottom hole of the tank cut a 45 angle at the end of the line as you put the line into the tank twist and push until you get enough line to pull up through the fuel filler hole then cut the line so that the 45 is no longer and slip the fuel filter on then pull back the line until the filter rests at the bottom of the tank. Do the same with the upper line except that line will only go in 3 to 4 inches. I hope this helps you.

you should be able to route a line without removing the tank, just remove one strap at a time

What little fuel system detail ther is can be found here:
Poulan.com
http://www.ordertree.com/modelinfo/POULAN-WEED-EATER/75.59.html
Find a model number that matches your saw.
Fuel lines run from the tank to the carburetor to the purge pump and back to the tank. Take extensive notes and a few digital photos as you go are a good idea.

Fuel Line Replacement
SmallEng.com
http://www.youtube.com/watch?v=JrXpU70Hmi0
HTH
Lou

A pressure regulator and pipe or hose. Whoever is selling you the tank/propane should be able to help you size everything based on the tank hook-up and tank pressure. The heater nameplate will tell you the proper inlet gas pressure that the regulator will need to reduce the tank pressure to.

The Lines are simple if it's a 2.4 EFI the lines run on the driver side inner rail from the center top of fuel tank, and up the middle of the firewall to the injector rail or throttle body carburetor there is also one line that runs from the evap canister back to the tank and to the fuel system three lines total one is a return line the large line is the main fuel line and has the fuel filter mounted on it and is under the driver side door inside the frame rail.

Its not easy to know what the wires are for. They could have been for an alarm from the previous owner which was removed. Is the bike running ok? Tape up the wires individually until their purpose is known. Here is a link to the manual where you will find wiring diagrams. Wires will be colour coded.
Rate me if this helps you, thanks and good luck with the new bike.
http://www.carlsalter.com/download.asp?fileid=083117122117107105095082070095054048048095115101114118105099101095109097110117097108046112100102

There is two sizes of line. I see the large one goes to the large port on the primer button and then to the fuel tank. The small one goes from the primer button to the carb. The problem is there are two hose connections on the carb. I believe one is a vent, but I am not sure what one it is. I have a 36cc 2-cycle model 358.352161