Originally Posted by SrTelemaster150

Yep, no need for a throttle spring. I use the throttle trim to adjust idle & shut the engine down.

I also use it to reduce cylinder pressure so I can start large displacement engines (even my FA-300TTDP) W/a 90 sized electric starter. I only use the starter for he initial start if the day.

After the fuel system is primed & the engine warmed, I flip start.