130 2 stroke motor problem

[decats123]

Hey guys. I have a bit of a problem. After about 15 minutes of running the primer bubble collapses on itself and the engine begins to run rough and stall. If i wait a few minutes the primer bubble expands and the engine runs fine. Does anyone know the problem or a possible solution. Thanks

[amahaork]

may be gas tank vent clogged

[99yam40]

restriction in fuel line or tank pick up or tank vent
Some built in tanks have check valves that cause problems

[decats123]

130hp 2stroke engine problem

yea check that seemed ok can not work it out maybe fuel pump? . thank you for the reply.

[greasyshaft]

You either have a restriction before the primer bulb or a venting issue.
The primer bulb goes flat with negative fuel pressure.

[Bilge Rat]

Not the fuel pump.
If the primer bulb is going flat there is a restriction between it and the fuel tank.
The fuel pump is pumping fuel faster than the supply can provide.

[decats123]

130 2stroke motor problem

thanks for the info will change the tank see if that will fix problem. thanks guys.

[greasyshaft]

Also check your fuel hose, some fuel hoses are dual walled and the inner can separate from the outer.

here is a good soundtrack that i listen to in the workshop continuous it may help

https://www.youtube.com/watch?v=NjTOZ29p-fU