BHunter 1,700 #1 Posted March 23, 2019 I put a new carb on my 4hp . It runs but I don’t know how to adjust it or what screw does what. The picture in the k91 manual shows a different carb. Can someone tell me what the top , middle and lower screws do? Thanks, Bob Share this post Link to post Share on other sites
pfrederi 18,334 #2 Posted March 23, 2019 Based on other carbs I would "Guess" top is high speed angled towards camera idle mixture small Phillips idle speed 6 1 Share this post Link to post Share on other sites
wallfish 17,498 #3 Posted March 23, 2019 (edited) The Kohler manual has an excellent description on how to adjust each Edited March 23, 2019 by wallfish 5 4 Share this post Link to post Share on other sites
BHunter 1,700 #4 Posted March 23, 2019 6 minutes ago, wallfish said: he Kohler manual has an excellent description on how to adjust each Thank you. Your arrows help a lot. Now I can follow the manual. 2 Share this post Link to post Share on other sites
WHNJ701 4,165 #5 Posted March 23, 2019 watch the plastic floats on them Share this post Link to post Share on other sites
BHunter 1,700 #6 Posted March 23, 2019 2 minutes ago, jabelman said: watch the plastic floats on them Thanks. It’s temporary . I’m rebuilding the original. I was surprised how it fired up on the second pull though. 2 Share this post Link to post Share on other sites
BHunter 1,700 #7 Posted June 24, 2019 On 3/23/2019 at 6:16 PM, wallfish said: The Kohler manual has an excellent description on how to adjust each John, thanks for your tuning help at the big show. It runs better. Hope you made it to the wedding in time. Share this post Link to post Share on other sites
wallfish 17,498 #8 Posted June 24, 2019 That was you? Nice to have met you. Sorry I didn't have time to play around with it longer and get it dialed in. Had to scramble outta there and yes, I made to the wedding on time. Share this post Link to post Share on other sites
BHunter 1,700 #9 Posted June 24, 2019 52 minutes ago, wallfish said: That was you? Nice to have met you. Sorry I didn't have time to play around with it longer and get it dialed in. Had to scramble outta there and yes, I made to the wedding on time. 1 hour ago, wallfish said: That was you? Nice to have met you. Sorry I didn't have time to play around with it longer and get it dialed in. Had to scramble outta there and yes, I made to the wedding on time. Thanks. Nice to have met you too. Share this post Link to post Share on other sites
rmaynard 15,927 #10 Posted June 24, 2019 I have purchased at least 4 Chinese carbs within the last 3 years. I have found that right out of the box they are properly set with only minimal tweeks needed to fine tune the main jet. 1 Share this post Link to post Share on other sites