3T starter motor clutch

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r.dorman

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The clutch on my starter motor is slipping when I snap it over center. I adjusted it once and worked for a short time and now is slipping again, unless I back it off from over center . Other times it will come out gear..
I have to use 3/4 choke on the starter motor. to keep it running. Being as I use the tractor very rarely just for dozing, I use 91 non ethanol or aviation fuel which doesn't degrade.

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Sat, Feb 3, 2024 6:09 PM

trainzkid88

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Location: b.berg qld

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all petrol degrades. its diesel fuel that does not.
might need new clutch frictions but try adjusting it first.
and having the carb sonic bathed and fitting a kit to it wouldnt go astray. it can also be wear around the throttle and choke butterfly shafts thus creating a vacuum leak and a lean condition. you might be able to cheat by sliding a oring over the ends to create a bit of a seal. the other way is have it re bored in a mill and new bushes fitted.

"i reject your reality and substitute my own" - adam savage. i suspect my final words maybe "well shit, that didnt work"

instead of perfection some times we just have to accept practicality

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Thu, Feb 8, 2024 5:23 PM

Haus

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One of my carbs had a significant vacuum leak around the outside of the packing in the carb body (rather than between the shaft and the packer or seal). Not sure how common this is, but I was able to fix up with some retaining compound nd it no longer needs choke.

[attachment=75250]packer.jpg[/attachment]

Paul.