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 crankshaft end play on tecumseh 3.5hp motor

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Posts : 160
Join date : 2009-09-25
Location : Eastern Ontario

PostSubject: crankshaft end play on tecumseh 3.5hp motor   Fri 27 Aug 2010, 12:01 am

My son talked a fellow out of a mini-bike, which I'm helping him get going.
(No idea what brand but a lot more brutish than a pocket bike)

The motor runs but won't idle. Just seems to starve. For that I'm guessing the low-speed passage on the carb is plugged. Turning the low-speed jet doesn't change anything.

My question - how much in/out play should there be on the output shaft. If I push and pull the shaft, I'm seeing about 1/8" of movement. It's not the clutch moving on the shaft - I can see the flywheel moving in the starter shroud.

I checked a couple of Tecumsehs - there's some but a lot less.

Here's a pic - sorry for the poor quality.

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