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All fuel removed from mower end of season. I do use stabilizer in the gas can containing leftover fuel.

So this has happened a couple of times on my Duraforce 6.5 HP 2 stroke. Go to start mower....prime carb...no start....prime some more...no go. Pull plug and its dry. Remove filter and spray starting fluid in carb throat....starts first pull and keeps on running. Appears that there is no fuel in...

And on the gas tank....carb float sticks and gas runs thru the carb to the point of least resistance. Had the same problem on both my 10525's and here's a fix .... https://www.lowes.ca/product/small-engine-replacement-parts/atlas-14-in-fuel-shut-off-valve-330064291

Check out this You Tube video....may be what you need.

I've installed that particular shutoff on both of my 10525's. Works great!

Open the link ...enter your model number, put in any serial number from the ranges indicated and click on the english manual....for a 1994 lawnboy. Oops ...it will only give you a parts manual or a non english operator manual. My mistake. Sorry. The following link to another mower website may...

You are going to need a serial number to get the correct free manual but here's the link to the Lawnboy website....you have 3 choices based on the serial number The Lawn-Boy Store - Parts (shoplawnboy.com)

Ahh, that makes more sense. Fortunately I have 2 spare engines to source from if required.

I understand what you are saying about compression but how can it go from zero to normal just because I reset the bail handle. Unit runs fine once I got it started and has had no issues to this point. If it has zero compression it should not start at all.

So i went to start the subject yesterday to winterize it. First pull no start....turns out I think I drained too much gas out of it. When I went to pull it a second time there was no tension on the pull cord....free wheeling. I let go of the bail handle and then pulled it back in again and the...

Okay, now I get it....just went and checked my parts bin. The wheel cover overlaps the step on the wheel hub and the step washer prevents them from touching each other. Without that step in the hub you would need a step washer that was way thicker to prevent them from contacting each other. I...

This may help. Link to Parts Tree website drawing showing step washer location. https://www.partstree.com/models/10515-lawn-boy-gold-series-walk-behind-mower-sn-005900001-005999999-1995/rear-wheel-drive-ass-y-model-no-10515-10520-9/ I will also check my back up wheels I have in storage as I...

A 10525 will also work but most of the cables and handlebar controls don't match.

Out of the first 7 sites that show up on Google only 2 show as in stock. One won't ship to Canada and the other is $68 US. I bought 2 junk lawnboys for $50 CDN last year. I would be looking for a junker as you can strip them and build up a little parts supply. Especially things like wheels /...

Start looking for a scrap mower on the cheap. That's what I did. Part numbers are the same for a 10525. Good Luck!

Is that a steel deck? What did you do to prep it? stripper / sanding / ? Not quite sure how to proceed on an aluminum deck.....mines a mess. And do you know where to get replacement decals?

Nice job! Mower looks like new!

Looking for spray paint for subject mower in Ontario. Previous owner painted part of the deck with a terrible shade of green. Stripped the mower and want to repaint the deck in the correct colour. Thanks in advance for any responses.

Mower sat for 3 years....changed the oil / drained the old fuel / cleaned the air filter / new plug . It started on the 1st pull and is running fine. Is there an inline fuel filter on yours? maybe plugged? Have you got a good spark?

You can also go to this website that you may find helpful https://www.mytractorforum.com/forums/lawn-boy.769/

I don't know if it will help...see page 3-15 excessive smoking in the following link to another lawnboy forum https://www.mytractorforum.com/threads/lawnboy-diagnosis.646945/

I think I will be using Shell Nautilus 2 stroke oil when my supply of Lawn Boy oil runs out. It is recommended for air cooled engines. Alternatively, Castrol Go 2T motorcycle oil.

White smoke or black smoke? If black likely engine is running rich. Is underside of deck oil covered.....I have heard that it may be a leaking crank seal on other discussions. What are you using for oil and mix ratio?

Not sure if this is correct but this is what found using your model # https://www.mytractorforum.com/threads/lawnboy-suburban-wpm-service-manual.646465/#post-6007553

You can also check the Parts Tree website https://www.partstree.com/models/10523-lawn-boy-gold-series-walk-behind-mower-sn-006900001-006999999-1996/

It may be a 10520. See attached link to You Tube video

Maybe worth a try....take out the air filter and squirt some fuel straight into the carb throat....prime 3 times ….set choke ….and pull away! Worked for me when my 10525 was being stubborn.....until I cleaned the carb. Now back to one pull start. PS - you will probably have some difficulty...

That I don't know unless you go through the parts listing for both and can find some difference between the 2 years that matches your actual mower.

This may be of help https://www.partstree.com/search/?type=model&term=5277

Well mower is back to a one pull start....all I did was clean the carb...nothing else. Primer bulb / hose were okay. Not bad after 15 years of only changing the plug and cleaning the air filter. Oh yah...and sharpening the blade.

I can't help you with that vintage ….pre 1983. You can check on Parts Tree however for a schematic of parts of the unit. https://www.partstree.com/search/?type=model&term=8237+lawn+boy+walk+behind+mower+1978+sn+800000001+899999999

I do once a year in spring and fortunately I have lots of drive axle back up parts....but I know what you mean after tearing down a few junkers and de-greasing the guts inside. PS - the drive line on my 1999 10525 has never been apart.

Considering I have 2 10525's I think I'm good. Check out Parts Tree https://www.partstree.com/search/?type=model&term=10525+lawn+boy+goldpro+series+walk+behind+mower+2000+sn+200000001+200999999

I have used Lucas Red "N" Tacky in my 1999 vintage 10525 Lawnboy for the last 20 years ( also my snow blower ). Keep pumping it in the fitting until you see it squeezing out at the wheel axle. It does the job for me. https://lucasoil.com/products/grease/red-n-tacky-grease

Don't know if this comment from another forum will be of any help as follows: All I know is it forces air into the carb bowl chamber which in turn pushes the fuel up through the nozzle into the venturi where it can be received into the engine. If you look in the carb opening on a mower with a...

I'm having the same issue and ended up taking it to a lawn boy guru....hopefully a solution. Fortunately my second 10525 is working great.

Check my May 13th post and look for the Duraforce engine file on the link...it may be what you are looking for

I have 2 10525's. Best mowers I've ever had.

Well after endless hours of searching I did manage to find some information that was helpful. Not a complete manual but very useful. I wanted to attach the files but they are to large. So....here is the link to the website where I found the info. There is a lot of material to view...

Thanks for the effort...I have been on your first link previously and that pic / manual does not appear to be for my mower . Went to your second link and not sure what that site is but it does not look like a lawnmower website. I'm looking for a complete manual but specifically engine / carb...

Lawnboy 10525 Serial # 8903456. I thought that my subject description would be enough info. I have been on the Toro website but the manual that I viewed is not very applicable to my unit. Sorry to bother anyone.... I didn't think it would be this difficult to find something. This shop service...

Wow...lots of views but still no success....

Australia? I'm in Canada. Pretty sure its not a crank case seal. Runs fine once it starts and no leaks anywhere. Interesting that it started with one pull today. Have not changed the primer bulb yet...had to find my daughter septic tank lids for a pump out...lots of fun!

I'd say the IPL is wrong as I've removed lots of mower drain plugs and the only bolts of any size were the 3 holding the engine to the deck....unless its one of them. Previous owner also said he had to change oil by turning the mower over. In any event after sitting in a shed for 3 plus years...

Well I found the engine number finally. Went on the B and S website and downloaded the service manual. There is no drain plug . The oil has to be removed from the top of the fill tube. I copied part of the manual as follows: Remove Oil The oil must be drained from the top oil fill tube (E...

Here's all I could find for numbers - ABSXS1581VG - 9614800 1702 Briggs and Stratton 550 series 158cc

Any one know where the oil drain plug is on this model. Or is it one that you do not change the oil in? Got it for free and just trying to clean it up. Can't find anything on the underside after cleaning it up

Blue smoke model? do you mean 2 stroke? and hopefully not.

I have a spare bulb and hose....will try it tomorrow.

Last couple of times went to start the subject ( and it has been a 1 pull start for 20 years ) and it wouldn't start. First time I primed the crap out of it...pulled the plug and it was dry after a dozen pulls. Pulled the air filter and it started on the first pull. A week later same...