G1 my first cart wont start Help

DWL

I was given a 1984 G1 that was headed to scrap yard I cleaned the fuel tank and fuel line also replaced carb due too throttle shaft wore out. Started cart all seemed good run little rough at slow speed run great at 3/4 to full throttle stopped cart after about 15 min of riding. Can not get to START pull spark plug spark good, plug is dry seems to not be getting fuel pull fuel line and its pumping, did notice little oil around crank seal not sure if that would cause low fuel pressure pour fuel in carb. NO START ANY IDEAS

BGW

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Field6565

Welcome! I would change the crank seals if there is any evidence of them leaking. Two strokes hate air leaks. With new seals it should run like new. The fuel pump runs off of the vaccum in the crankcase so if the seals are leaking then the pump wont be working right.

slonomo

Check fuel: take line off carb and crank engine; fuel should squirt out; could be fuel pump, fuel filter, clogged carb, float stuck, etc

Check compression: 100 psi min to 120 psi, but 90psi should start; low comp is rings at min and probably seals too

DWL

I pulled fuel line it is pumping put not sure at proper rate it has new filter and all of the line was cleaned as was the tank going to check compression and float but cart was running strong when i stopped. Going to replace crank seal

slonomo

I would check compression.

sho305

I would pull the carb bowl see if gas is in there, maybe a chunk of dirt got in there. Crank seals bad make for hard starting, usually have to choke it a lot. Remember the compression in the crank pushes the charge up into the cylinder via transfer ports, so if it leaks it messes everything up.

DWL

Pulled bowl and gas was there also checked compression at 130 waiting on cranck seal

yamarancher

130# you don't need seals, need for seals is way over rated.

slonomo

I agree, must be something electrical. Did you check spark?

DWL

Did not check spark with testor but looks nice and blue the spark plug is bone dry I can look in inlet of carb. can only see a little fuel in carb. when cranking over not squriting may not suppose to not sure. Hoping seal will fix but not very hopeful Any other ideas