Re: Precision ?

On 6/21/2025 1:29 PM, Leon Fisk wrote:

On Sat, 21 Jun 2025 14:25:09 -0500
Snag <Snag_one@msn.com> wrote:
 <snip>

No , you didn't ... a bit late now since I've fitted the drive
coupler to a larger crankshaft but I will check that . If I can figure
it out I'll keep this motor for a replacement for the tiller . The new
motor was originally intended for the tiller , but it recovered from
it's problem and has been running fine .

 It's a long shot, I know you do good work👍️
 I felt like an idiot when I found that mud nest clogging the exhaust
after having the carb all apart among other things🙄️
 One other odd thing I've seen is a partially sheared half-moon key on
the crank shaft to flywheel. May happen after a particularly violent
stall-out type mishap or the flywheel bolt has loosened a tad. It threw
the timing off just enough that it would still run but poorly.
 

I haven't had that happen, but I follow some of the hotrod go cart guys on YouTube like Cars and Camera, and I have seen them show that problem.   Of course you expect failures on those small engines every other trip to the track when you are chasing tenths of a second on the 1/8 mile at RPMs in the multiples of what those engines were designed for.
--
Bob La Londe
CNC Molds N Stuff
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