Tiger cub, choke issue, under powered help lol

Chieftm2

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Jul 20, 2025
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Hey guys, I will add some pictures tomorrow. Long story short. Got a free tiger cub. Has an almost brand new Briggs & Stratton 27hp professional motor on it. Really solid machine. Some how someone removed the chock lever and integrated it into the throttle lever. Why would they do this? Is it because the original engine wasn't a B&S so there were some compatibility issues? So now all the way forward would be choked and slightly back would then be full throttle. It had new coils put on it last year. But it's running rough. Under powered and spits like it's choked. I'm slightly mechanically inclined and can get things done once you kind fellas point me in the right direction lol. I'm going to check the rpms tomorrow. But not sure what to do otherwise. Should I try to figure out how to get a real choke lever back in there? What kind of pictures do you guys need to be able to help? Thanks in advance.
 
My brother-in-law has a 2010 Scag Tiger Cat with a 26hp Kawasaki, and the same thing happened after changing the engine. The old owner connected the choke to the throttle, maybe because the new engine didn't fit the old setup. It ran, but not well, until we added a separate choke cable. If your mower sounds like it's choking, the choke might be halfway on or the parts might not be lined up right. Clear pictures of the throttle and link parts would really help.
 
That's a pretty interesting setup, the choke being tied into the throttle is often a workaround when swapping engines, likely because the Briggs didn't match the Tiger Cub's original control layout. If it's running rough, start with carb cleaning, fuel delivery, and verifying correct governor setup
 
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