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Joined: Nov 2025
Posts: 8
Novice
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?

Last edited by SuziRova; 01/02/26 09:23 PM.
Joined: Mar 2019
Posts: 2
WHH Offline
Novice
It still sounds like the carby . You can tune by screwing the 2 small screws in 1and a 1/2 turns and then fine tune after that , I think by memory .

Joined: Dec 1999
Posts: 5,402
Likes: 35
Repair Junkie
****
Originally Posted by SuziRova
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?

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.

Good Luck.


Regards,
[Linked Image]

Bruce


Please do not PM me asking for support. Post on the forums as it helps all members not just the individual.

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