G'day everyone,

I'm not sure there Mowerfreak can't say i've had a mower that's ever backfired. It sounds like you will need to check out the carby inside just to see what's going on.

I'm not sure about the decompressor valve mate, if you have one lying around try changing it to see what happens. From what I see on these powertorque engines the decompressor valve is on the side and it's not hard to change them. As you know with the old full cranks it's on the inside of that top metal cowl and you have to take all this off to get to the decompressor valve. It looks much easier on these powertorque's.

Cheers!

Zip a dee doo dah, zip a dee ay, another trash picked Victa, hip hip Hooray!