OutdoorKing Repair Forum Forums Restoring, Customising and Modifying Tech Talk Suzuki 2 stroke - doesn't start after rebuild

Hi Everyone,

I rebuilt a Suzuki M120X (with new seals) that came on the Rovers. The carburettor has been cleaned (not soaked though). I wonder if you can help me with a starting and running issue that it now has.

It would only start with Aerostart and full choke (even when hot). It would not start from the carb at all.

Once it starts, it runs very well (and the governor works) but then conks out as if the kill switch is activated. The bowl is full of fuel so it's not that.

If I hold the governor lever for higher revs, it doesn't conk out but then stops again a few seconds after I let go of the governor.

I have tried another carb that I have also cleaned (no soaking) and same problem.

Any ideas anyone?

It is the carby and even after cleaning everything I can and then putting the carby through the ultrasonic cleaner, I still have over a 50% failure rate only solved by a new carby

Hi SuziRova,

You should look at the airfilter assembly because that can cause a lot of issues if it is warpped it will cause starting issues and running issues.

Just search on the forum and you will find other people that have the same problem.