19.5 Horsepower Briggs And Stratton Opposed Twin Cylinder Engine




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ethan carter: You should pull out the teccy and see if it runs and maybe give it a "go then blow" kinda thing lol

knighthawk86855: I have a 20 hp opposed twin ....nothing sounds like em....will never trade mine for anything!!!

jsgold2000: I bought a mower in 2000 with one of these on it.....Great motor! I rebuilt the carb and fuel pump 3 years ago and last year replaced the coil. Does not smoke or use any oil. Runs great! Keep the filters cleaned and oil changed and they will run a very long time.

Chad Williams: These are great old motors. The only thing I hate about them though is the way the starter is mounted. One of the bolts to the starter is way back there under the flywheel. It's a pain to get the starter bolt out unless you take the flywheel off.

Texassince1836: @Texassince1836 I only memorized the first 4 of the model. 422707 / 1522-01/ 9311295B is what the plate reads straight across

Bobby mitchell: @fnaguitarplayer9 they sound good for that, should get mine out of the weeds

Computer-Chkn: @Baldwin587 it does sound like Christine, your right

the5445: better rich then lean!

fnaguitarplayer9: ALSO, if you can't find a diagram, I can probably find it and send a link to you...

Nick'sGarageDoorService: @fnaguitarplayer9 Wait a sec, there's actually an adjustable carb for these??? lol I always thought it would be cool to try to adapt a V-twin 2-barrel carb onto an opposed...

frrd77: @fnaguitarplayer9 yea mine actually has an adjustment to make it run richer or leaner. both of mine older models though and it seems like the newer they get they don't have adjustments on them

fnaguitarplayer9: yeah there is. Theres a few different types on these motors. Wander if a person could fill the jet up with solder then drill it to a smaller spec? might not be the best option, but it might work. that would be neat! I know these twins drink the gas though!

fnaguitarplayer9: @frrd77 thats what it is then, mine is an 02 i think, i can't remember for sure. i don't why they'd made any carburetor with no adjustment, lol don't make sense to me.

fnaguitarplayer9: @holmes730 it may need to be rebuilt if so, the rebuild costs around 25 bucks, thats what the kit for mine cost. they are great motors.

fnaguitarplayer9: @holmes730 does it have a adjustment screw besides the idle speed? if so play with that, also i'd recommend new spark plugs, never hurts to put new plugs in, i recommend E3 and for the opposed it should use a E3.10 which is the equivalent of a champion CJ8. can't beat E3! i have a 12 horse flathead that ran to rich, put a e310 in it, now it runs just right, haven't tried them in my twin yet.

Jake Mcclanahan: cool man ima change em tomorrow (MONDAY)

motorboy171: @fnaguitarplayer9 wich one is it?

fnaguitarplayer9: that sounds about right, i know a 31 inch block is somewhere around 508cc. haha i heard that! Great motors i love them! I need to get this one out and run it, its been sitting a while, good old start video for the spring!!! thanks for watching!!!

Texassince1836: @fnaguitarplayer9 422707 is my full model, the first 4 numbers are the most important, the last 2 just describe crank orientation and starting system.

fnaguitarplayer9: all in inch lbs, hope this helps, and thanks for watching!!!

fnaguitarplayer9: @motorboy171 which one what? sorry if i missed something haha

fnaguitarplayer9: i hear that the valves are problematic on these motors, this only the 2nd one i had, i've never really done much work on them, i rebuilt the carburetor/fuel pump on this one 2 years ago. i think it idles a little to low too, might be why its missing on one cylinder at idle. it smoothes out once you give it some throttle. do you need a part number or just a place to get it?

januaryman169: @DoodleBug314 Briggs & Stratton Short Case Starter: 3-5/8" long housing. For most twin cylinder engines. Part #: SBS0008

Nick'sGarageDoorService: @fnaguitarplayer9 Have you tried the E3 plugs yet? Mine seems to run rich as well. But if it improves the performance I'm going to do it.

frrd77: i have two of these bad boys both have dual exhaust from the factory they sound a whole lot better with it to. it sucks you can't adjust the carb cause both of mine have an adjustment

1899lpv: What is the future for this engine ?

Robbie Johnston: i have that same motor. do you know the head bolt torque ratings, and the pattern. also the torque rating for the crank case bolts

fnaguitarplayer9: @davedoggy yepp i'll take any flathead over any ohv haha i could listen to a opposed twin run all day haha thanks for watching

fnaguitarplayer9: @Bobbymitchell10 yeah haha

Baldwin587: 0:23 "Her Name Is Christine." thats all that comes to my mind!

Texassince1836: you know, if it smells really rich it could be a missfire on one cylnder

Jake Mcclanahan: i will

fnaguitarplayer9: I know what your seeing, When i first got this motor all the wires were cut on it, i had to splice in the old style uncovered on "drivers side" plug, so it looks like theres no plug wire on it! I had to watch it again myself to remember that! I'd like to find another carburetor for mine, that has the adjustment on it. I'd hate to use this to cut grass, I'd probably burn 5 gallons haha happy new year to you to, and thanks for watching it again haha

Jake Mcclanahan: ya and im gunna try the plugs bec ive tried rveything else.

Mike Rice: How much oil dose it take.

fnaguitarplayer9: @sjayjayw haha when i got mine (for free) the spark plug wires were cut, the fuel lines were cut, wasps nest in the air filter, mud in the fuel pump water in the oil haha after rebuildin the carb, it started right up. i just wished there was a adjustment on the carburetor, it runs a little to rich for my liking haha

januaryman169: I have a 16hp twin. I think they all run rich. I really like mine.

fnaguitarplayer9: oh wow i didn't know that. I'm not sure what year this is, its 2000 something if i remember right. thanks for watching!!!

Nick'sGarageDoorService: Haha! Probably.

ethan carter: Do you still have this engine?

fnaguitarplayer9: @holmes730 i'd also check to make sure both plugs are firing good, problem i had with mine at first because ALL the wires were cut in 2, so i just spiced the plug wire on one cylinder and it kept missin at idle, soldered it and it ran better. but yeah plugs should help a great deal, especially if you get e3.10's for it. they DO give more power too!

Charles Ray: I'm trying to locate the wire diagram for this particular motor. I'm helping a friend modify another lawn tractor, would you know I could get my hands on one?

fnaguitarplayer9: not arguing with you, but this one has no adjustment, i've had the carb completely apart to rebuild and never found no adjustment except for idle speed. I've looked it up that some models don't have a adjustment, i really wish it did, it runs a little to rich for my liking. thanks for watching!!!

Nick'sGarageDoorService: @fnaguitarplayer9 Thanks. Can you make a vid when you put the plugs in?

fnaguitarplayer9: @NicksGarageDoor will do, just wrote it down on my list of videos to make this spring/summer. Thanks for the suggestion, will do it by summer!

fnaguitarplayer9: yeah i got a paper that shows what each number/letter means on it. just looked it up, cylinder 1 is part no. 271867 and cylinder 2 is part no. 271868 if you need any other part numbers for it let me know and i'll look it for ya.

motorboy171: @fnaguitarplayer9 oh ok thanks haha somtimes i dont know what im talking about ether lol thanks again

fnaguitarplayer9: @januaryman169 there good motors though. can't beat them! I'm going to try E3 spark plugs in mine, they burn more fuel than regular plugs, might help with this problem. thanks for watching

Bobby mitchell: sounds pretty good

Nick'sGarageDoorService: Lol I just watched this video again... It looks like your driers side spark plug is disconnected. Oh, I bought a set of E3 spark plugs... Didn't help with the running rich problem. I think the only way to fix it is to put in a smaller main jet. I dont even think they sell them... Happy new year!
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19.5 Horsepower Briggs and Stratton Opposed Twin Cylinder Engine 4.8 out of 5

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19.5 Horsepower Briggs and Stratton Opposed Twin Cylinder Engine