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So I think I am above average when it comes to repairing small engines, at least older Briggs and Stratton single cylinder. But I kind of got my butt kicked recently by a B&S Quantum vertical shaft ! So back in June, I dragged my pressure washer out to clean the underside of deck, something I...

New carb was worse. A lot worse !! Turns out the valve adjustment was WAY off (loose). I didn't think loose valves would cause a misfire.

Not my money, but my friend order a new non-OEM carb from Amazon. Sigh.

I would say 145-165 is high compression ! Some how we missed valve adjustment ! Hopefully today !! Do you know the correct setting ?

Helping my buddy with remote diagnosis. He has an older (20 yo?) Bobcat (painted green if that means anything) ZTR with a Kawasaki engine. Sorry, no specific model numbers. About a year ago it started to occasionally misfire. Now it is a lot more frequent, but only under load (blades or...

Slightly different Kawasaki engine, but same problem. My friend have the starter replaced last year and the lack of engagement came back. Not exactly certain what the root cause was, but cleaning/polishing the shaft the Bendix gear rides on and some light lube helped. So did clean the ground...

Helping a buddy with his Bob-Cat zero turn. We have yet to find a model number but it is probably 20+ years old. It does have a 23(?)HP Kawasaki engine. There are 2 fuses, one on a red wire and one on a purple wire. The one on the purple wire was blown so violently that the fuse was broken in...

Not really specific to B&S engines, but most single cylinder engine less than 10 HP do not have any type of fuel filter (and most do not have a fuel shut off either). Clogged idle/main jet is a very common problem (which causes governor "hunting"). How many of you have added a filter (B&S...

Oil level - check Flywheel key - check New spark plug - BINGO ! If it had not tried to start, I would have swapped the plug earlier, but I did not have any in my stock. This is the first time in over 20 years that I have "fixed" a single cylinder engine by changing the spark plug !

Flywheel key is fine. Oil level is fine. New spark plug on order.

The saga continues ... There is a block off plate where the low oil level sensor would be installed. Using a spark tester, I have validated that one pull of the starter cord produces multiple sparks through the entire pull. The plugs comes out wet after a couple of pulls. I have validated...

133402 0083 01 95061607 Do you really think it matters ? This is clearly a fuel problem and every B&S carb I have seen for the past 20 years, regardless what single cylinder engine it cam off of, is almost identical.

First, this is not my "first rodeo" ! I have been "messing" with small engines for almost 50 years. Since retiring 10 years ago, it is one of my favorite hobbies, although I don't go "looking for work". ;) I have a Craftsman counter rotating rear tine tiller with a B&S industrial engine. The...

First I have looked for tubes but I can not find any that are large enough for the oversized agricultural tires (chevron pattern) on this rototiller (4.8 x 8 x 52" outside circumference) or small enough for my 2 wheel hand cart. The rims are painted steel and in perfect condition (no rust)...

I have acquired a pressure washer with a GX390/420 (says 15hp) Honda engine. Besides the main fuel running from the tank to the carburetor inlet, there is a second smaller hose that runs from about 3/4 of the way up the tank to the intake above the carburetor. This looks like some kind of a...

I replaced the carburetor on a 7 hp Tecumseh Snow King (631954 HOOAI brand from Amazon). Full throttle seems to be much faster that before the replacement (when I could get it to run). I thought I replaced the linkages correctly. This image is in the engine off position. Top link goes to the...

Toro Super Recycler, 3 speed, w/Briggs & Stratton Quantum vertical shaft (128802-0615-01). My son's mower so I might not have all the pre-failure data exactly correct. This mower has always been hard to hot start. About 10 days ago it was a no start. Checked for spark using a Lisle 50850...

I'm looking for a carb kit or used carb from an older single cylinder Kawaski engine. The carb is actually a Mikuni BV18/21/24. It was used on some single cylinder horizontal (and possibly vertical) shaft engine from the late 1980s-1990s. The carb was also used on some Toro lawnmowers and E-Z Go...

I'm trying to help out a friend. He has an old Toro T2500 generator. The carb is in very bad condition but Toro says all of the parts are discontinued. I don't know what type of engine it is, except that it is a 4 stroke. The carb looks like a typical Walbro with the main jet through the...

The engine mounted on a Ariens 21" walk behind and is 2 years old. Used VERY little. I have replaced the carb due to "other" issues. Now that cooler weather has moved in, the engine starts easily (after 3 pumps of the primer) but stalls almost immediately. 3 more pumps, fires, stalls. The...

Yes, it is a Kohler Courage XT-7 on an Ariens LM21s walk behind. It has the sticking need/seat problem so I need a replacement carb. Model : XT173-0016 Serial : 3802302978 I think the part number for the carb is 14 853 xx-S. The problem is "xx" can be anything from 01 to 47. One person...