How A Briggs And Stratton Push Mower Engine Governor/throttle Linkage Is Set Up, And How It Works.




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Did this video help you?

jamesb72: Thanks so much, mower running slow, and couldn't work out why, this is great help !

Boss Playa: My pressure washer is revving like crazy up and down check my video out "karcher g3050 oh over revving" when i manually hold the governor in place it works fine why is my governor arm moving up and down like crazy?? and how do i fix it .... thank you sir for your help

mannymanano: Okay, thanks so much for your quick and helpful answer.

Tiffany Chance: My mower will start then shut off. Do you happen to know any reasons for this? I have a Briggs and Stratton push mower.

mannymanano: Thanks I did not know how those suckers worked.

michael williams: hello sir i have a 3.5 briggs i checked the compression and got zero pressure but the lawn mower cranked up and ran any way could you please tell me what im not understanding here. thanks Mike

T Pope: EXCELLENT You don't know how much time, effort & head-scratching this video will save me- Clear concise information & I think very helpful. Nice one mate

fnaguitarplayer9: are you running it with a blade? if the blade is off of it they will kick back really bad! my engine here in this video has a heavy flywheel on it so i don't have to run a blade on it. but if you are running it on a stand like this, don't run a blade! use a old deck to test these motors with blades. thanks for watching!!!

fnaguitarplayer9: well i'm glad to help out! i noticed you subscribed, thank you. I'm a little slow on uploading new videos right now (i'm not at my garage until warm weather gets here, which it is now haha) so stay tuned for new videos.

Damian Towler: great video. the throttle mechanism had me beaten. i just couldn't believe that the arm mechanism on the carby was indirectly controlled by the throttle cable via a spring and a wind vane mechanism. amazing. and...yes....very confusing. great stuff. good man

effemall45: I've learnt quite a lot from your videos and recently had to take apart the whole dang engine and put it back together since the piston was almost floating inside the block. Not only did I manage to do this but the old beast started up pretty smooth as well. Only trouble is I can't seem to get the thing to rev high enough even tho I have adjusted the governor spring and I'm pretty sure the petrol/air mix is right. It revved pretty good before so I've run out of head to scratch, any ideas?

fnaguitarplayer9: Glad to hear my videos have helped out! First thing i'd check is revving the motor up by the linkage just to rule out a carburetor problem, just move the linkage where it hooks on to the carburetor, if it revs up good, the governor spring may be installed wrong or stretched, if it still doesn't throttle up bypassing the governor, then its probably in the carb, either out of adjustment or needs a new diaphragm, when revving it up like this, don't hold it high speed. thanks for watching!

reincarnatedman: Thanks for the explication, I've been wondering why my '35 spends time rising and falling when I start it. Now I'm off to put in a new cord, afterwards I can re-tension those springs and it'll be as good as new. Well, kinda ... Kind regards, Light.

fnaguitarplayer9: I hear ya! Glad to help out! Always glad to save someone money!!! thanks for watching!

janabeller1: I'm a chick with little mower knowledge and you just saved me a repair bill. Just now fixed it myself and runs like a million bucks! Thanks!

fnaguitarplayer9: Hey, it should be on the front of the flywheel shroud/cover above where the spark plug is, if not it could be on the side of the shroud above the muffler, anywhere like that on the flywheel cover, it will have a model, type and code. thanks for watching!!!

Andrew McEwan: Ya there great when there running if it is one I do not see a 2digit number beside the model number thanks for helping sorry that I gave you a tecumseh to try to help me fix :-) if you want I can send you a picture of the sticker on the mower because when I typed the model number in to Google I got 0 results :-(

fnaguitarplayer9: oh ok you just need the bolt. got ya! i've done that before, but it was so tight that i actually broke the carburetor itself!!! ... i'm trying to find a diagram for that, but i'm having problems there should be a 2 digit code after the type, I have probably 300 diagrams on my computer but thats not on it, so i have to go to briggs website which has changed and i have to have a 2 digit code. Ran into the same problem earlier with another engine haha

fnaguitarplayer9: Heard that! I ran into this a while back on a 5 horse briggs! Its the last thing you think of haha your welcome, Thanks for Watching!!!

foreverwood1963: A lot of hunts and surges are caused by dirty carbs versus bad governor adjustments.

Mark Almand: I have aYard Machines mower. It has the primer bulb style Briggs & Stratton 6.0 HP engine with a side mounted carborator. model # 123K02-0195-E1 Do you have a video on how the linkage works from the throttle to the carborator choke lever? Thanks Mark

fnaguitarplayer9: Sounds like the throttle cable is broke or came loose either at the throttle control or where it connects on the carburetor linkage, have someone move the throttle up and down and check at the carburetor to see if the linkage is moving, another thing, the cable clamp could be loose on the front allowing the whole cable to move. Thanks For Watching!!!

bousli809: Hi i have the same engine i found out the key was sheared and i changed it but still kickback any help, thanks

fnaguitarplayer9: no problem! glad it helped. i've had that happen before, a linkage gets in a bind or something that makes it stick haha thanks for watching!!!

M Romero: Help! I have a Briggs and Stratton Tru Cut (91232 1253 E1) that I took apart the carb and can figure out how to reattach the govonor and throttle linkage. Can you help?

fnaguitarplayer9: i would but i don't have a 4 horse, not sure if its the same as this one. it may not be on right, i had this problem on another push mower engine, checked everything then i seen i put the spring on the wrong part of the governor arm haha it could be a bad spring too, if they get to stretched they won't work. Thanks for Watching!!!

Bill Perry: I had the same problem as rdwngfreak. After trying almost everything I could find online, I finally paid attention to "could be a bad gas tank cap". Replaced it w/ one off another mower and it ran great! The gasket had gotten deformed. Thanks guitar player for the great videos!

fnaguitarplayer9: No, I don't really have any videos on newer equipment, I do have one on linkage on a briggs 13.5 horse (same as a 12 horse), which all linkages all use the same principles, so you might be able go by it, it has the auto choke, when you give the engine full throttle it hits the choke, so that might help you out, i'll send a PM with it attached... Thanks for Watching!!!

fnaguitarplayer9: @BoscoeFrance thanks! i hear ya. i do alot of guitar modifications and hope to start building from scratch. i love tube amps, i always wanted to build a fender twin reverb amp. glad the video helped! thanks for watching!!!

fnaguitarplayer9: Your Welcome! Always glad to help out! Thanks for Watching!

Jim Wisneski: Thank you for the awesome video, you have helped me to regulate my screaming Briggs which I thought was going to blow up!! Now I am back to a NORMAL RPM and can see many more hours of usage. Thumbs up my friend!

fnaguitarplayer9: hahahaha thanks for watching!!!

fnaguitarplayer9: sometimes you just can't adjust them out, hate when that happens. i got several of these motors that need carbs rebuilt, reason i haven't is i just don't need them all running, i'll fix them when i need them haha yeah that should be all it needs. no problem, glad to help, anytime!

fnaguitarplayer9: send me the model type and code off the engine and i can look up parts for you. thanks for watching!!!

fnaguitarplayer9: its probably a older one. briggs website is almost useless for looking up older engines, luckily i have almost every parts diagram for them. yeah sure, i'll pm you my email!

gary tennesen: HEY!! Just wanted jump in an thank you for your video!! I have been trying to figure out what to do with a B/S 3.5hp that surges and stalls "if" I get it started. Your video showing me what was under the cowling (the flywheel areas) gave me the courage to get out there and give it a shot -- I work on computers BUT needed your video to show what was under the hood of a small engine. FIXED. Previous owner installed choke/throttle upside down

PunaniLicker69: hello kind sir. can u show me with a video how to slow down the engine on a 4hp b+s engine? the springs that i have do really do anything. there is no give or pull. why is that? ty.

grandpa20122: Thanks, very helpful.

fnaguitarplayer9: yeah there is some differences between them, i will do that, just got to check my engines to see if i have one with the different setup than the one in this video. thanks for watching!!!

Bang Arang: I found this video very helpful. My springs sprung this morning, leaving my fly-wheel vane flapping in futility. Your simple explanation helped me put the proper names with the parts I'm working with.

Justin LaNoue: Funny this reminded of when I was around 9-10 years old had a 3.5 hp and it was constantly revving up and down over and over...I couldn't figure out what was wrong so I just bent the gov all the way open and stretched that throttle spring all the way out. I was pretty much red lining that poor little motor and it went through 2-3 spark plugs per season, but it kept going for years. And I never came across grass too thick to plow through at WOT lol.

1972FordF150: I just made a video a lot like this LOL

outdoorsman310: this is the same design as on my 1960s briggs before i broke the air vane haha

fnaguitarplayer9: @outdoorsman310 this is a 78 here. haha never seen that happen before haha thanks for watching

fnaguitarplayer9: yes and no, no because unless you rebuild it with racing parts you will blow up / destroy the motor, its not designed for those high rpm's. You'll be surprised how much power it will have governed, and if you gear it right it will go pretty fast. Remember that all stock go karts come with a engine governed at 3600 RPM, same as a lawn mower engine! thanks for watching!!!

TheLjex: I just had to say Thanks! for taking your time to explain such complex machines. I had many sleepless nights trying to fix my Rover mower. You're a heaven sent

fnaguitarplayer9: it could either be the throttle cable slipped and needs re-adjusted (did a video on that) or it could be a stretched or broken governor spring. thanks for watching!!!

fnaguitarplayer9: If its the same type of carb as in this video or the newer style with the primer bulb, you may need a new diaphragm, seems like when they start acting up they will either do that or just run really really rich and choke out. I show how to replace the diaphragm in my 2 part pushmower rebuild video. hoe this helps! thanks for watching!

fnaguitarplayer9: uh oh. you just cussed me out haha i hate tecumseh's. To be honest I do try to avoid working on them, there great when they are running but as soon as you have a problem (always carburetor related) thats it. But that model you gave me sounds like a briggs and stratton model and type number, most engines in the 3 to 4 horsepower range start with 9, i just need (if it has it) the 2 digit code beside the type code.

mariodelgado060709: thank you for the video, i want my engine to run alot faster. i have a briggs and stratton 5 hp. can you give me any advice please and thank you.
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How a Briggs and Stratton Push Mower engine governor/throttle linkage is set up, and how it works. 4.7 out of 5

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How a Briggs and Stratton Push Mower engine governor/throttle linkage is set up, and how it works.