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my guess is your coil is bad had the same problem on two of my Toro ccr1000 snowblowers wound not start after being warmed up

take off the fuel line and drain the old gas loosen the float bowl bolt and let the bowl drain then try some fresh gas PREMIUM NON ETHANOL if that does not work you have to clean the carb

what I have come across when this happens is the auto float shutoff on the bottom of the carb replace 2 of them on my neighbors craftsman B&S IC 16.5 hp

My f motor gold series started fine and mowed almost all my lawn but when I shut it off to pick up a stick would not restart. Are a set of crank seals in order?

What is the part number for the fuel shutoff valve gasket for the 10515 f series?. you know the kind with the open and close lever?: Seems to be a hard to find item. They look pretty easy to make but is there another way to modify the tank to go with a more modern trouble free shutoff valve? No...

I am not one to give up but this one has me baffled and could possibly be cursed .The first thing I noticed wrong was the primer bulb was leaking so it was replaced not an easy find as it is a wet primer bulb.The starter rope broke on the second pull so I fixed that and it starts but will not...

I have run across 2 of that model with the same broken rod issue and have another that's knocking. All are the 10515 gold series. Could this be a production issue? My other F models seem to run forever. However I got them used and do not know the previous history and what oil was used. Also due...

took a road trip last night to get another 10515. Authorities on Lawn Boy claim it is the best one LB ever made. This one is in great condition but needs a few things fixed like the engine brake cable and maybe the carb cleaned was missing the bag but I got a few of them

I have a Lawn boy model 4600 with the f motor which has a ground terminal on one of the screws for the coil and a terminal on the coil itself. I installed an aftermarket coil for an f motor but have no spark Is this new style coil being shorted out somehow or did I get a bad coil out of the...

I was thinking of putting citronella oil in my gas mix to kill mosquitoes will doing so affect my F motor?

picked up a M series last night at a pretty fair price had to drive 230 miles round trip but to me it was worth it. its a m21zprc non oil injected push mower. starts first pull and runs perfect and has the sought after mulch plug.

are the new style Duraforce coils compatible with the F motor? I was digging around in my garage and found an f motor with good compression so my goal was to put it on a gold series 3speed trans.the motor was missing the coil.I got it on the deck but had to use the lower plate as the...

I just refurbed a 10323 duraforce silver series and it starts first pull runs and idles great but after 4-5 minutes of use will stall.I go to start it and it fires up and runs for 3-4 minutes and stalls again Should I be looking at the crank seals and is this the symptom?The spark plug is new...

I am a diehard two stroker to the end but my brother is giving me his Lawn Boy Honda motor push n go trans with bagger. He claims it runs rough after he cleaned the carb and is puffing black smoke.No he did not want a Duraforce he went out and bought a Toro What it the issue with mixing gas and...

needed a coil and a carb cleaning cleaned up nice I think I paid 20.00 for it but it had the lawn boy charger and two bags and a mulch plug It started first pull and once it warmed up ran great. I also in the last week did up 4 Duraforce 10323's two needed coils and all 4 got the carbs...

check this one out. It will not start.wonder why with no primer bulb and all that fine sand dust also had a mouse nest in the airbox and under the recoil shroud.

went up north and picked up a Lawn Boy M series non self propelled pre mix model in great running condition with mulch plate and bag but had to make the trip worthwhile so I picked up two duraforce models in the same area a silver 10323 and a gold series non aelf propelled will post pics when I...

picked up two Lawn Boy 10323's this weekend one needs a primer bulb but everything was all there had spark and good compression cant wait for spring.Blew up my toro s200 snowblower this morning but that is why I have 5 of them.

[ATTACH=CONFIG]24747picked up a 8238ae that was only used by a little old lady on sundays needs a cleaning and go through but it had the OEM charger for the battery not bad for $20.00 Right now I have 3 of the electric start models and I do remember seeing a post where a different battery other...

I have a 10546 with a bad motor.I recently purchased a 8243 with good motor and want to swap the motors.My question is the 10546 has the 3 speed trans the 8243 has the caspan drive.Is a swap possible or do should I rebuild the 10546 motor and leave the 8243 in one piece?both mowers are in pretty...

A pic of my Lawn Boy Duraforce models yes they all run and have drilled out carb jets with fuel shutoff valves.

a few of my projects that I got running now will have better pics soon never mind the one to the right thats not a Lawn Boy its a toro

Picked up a Lawn Boy 5274 this weekend for 10.00 Took it home and cleaned the very dirty carb put it back together started third pull and ran great.only issue is the hi lo lever wont stay in place. what is the fix for that? and the wheels are wobbly.are new sleeves available?

pics of my 10415 and 10550 cleaned up a bit

I know you wuold think the float level is off but that is the way they are on that carb.you may have a weak or strecthed govenor spring as it looks like you have been through the carb.I have 5 or 6 of this model and no 2 run the same.this may sound dumb but check the throttle cable sometimes the...

rescued a 10227 from the curb.took it home cleaned the air box and filter and it started first pull.mowed my lawn with the gas that was in it.drove 80 miles round trip to pick up a 10415 that someone was giving away.it needs a starter rope and handle but runs perfect and will look almost new...

just got one last night.your govenor spring is not set right.the screw you mentioned is the altitude adjustment but you have to get the air vane set right first if it idles too high you have too much tension on it.excuse the dirty condition I have not cleaned it yet

Re: Help: Lawn-Boy 21" SilverPro Series, 10247, DuraForce (2-cycle) behaving badly Dont buy a carb kit unless you need it also you have to assemble it as it comes in pieces.when you take your carb off look for warpage on the flanges.if they are warped you need the carb kit.if the flanges are...

Re: Help: Lawn-Boy 21" SilverPro Series, 10247, DuraForce (2-cycle) behaving badly a little oil on the deck ey.I had one that did that too.smoked like a well we better not say it here but it went away after awhile like 20 minutes of run time.cuase was a flooded out crankcase due to fuel...

Re: Help: Lawn-Boy 21" SilverPro Series, 10247, DuraForce (2-cycle) behaving badly look on ebay for a 1/4 inch right angle fuel shut off valve they are about 4 bucks.drain the fuel tank and cut the fuel line right where the bend is then snip off another 1/4 inch piece of the line its pretty...

anyone know if the 3 sped tranny from a rear drive toro or Lawnboy will swap in to an M series?I may not need to do this but I bought one and was told the self propel was disabled but looks to me the cable broke on the z hook end.Got a cable coming fron ebay for 15.00 which included all 4 cables...

I have always been fond of Lawn Boy mowers but after working on a few assorted mtd and craftsman I appreciate them even more.New mowers are crap built to not last more than 3-4 years.I have done things with mine that would have killed a newer mower.My souped up Duraforce can cut anything and I...

There is a little port inside the carb which controls low speed. Take the main jet out and you will see it in the carb barrel. spray it out with carb cleaner.That should do it.Was made aware of this by another forum member Here is a pic of my school bus I just got running that I bought for a...

Surging is caused most of the time by a lean carb.On your v force with walbro plastic carb it can very well be the needle valve and seat.Do you have high rpms with no surging?Another thing to check is your gaskets for leaks or deterioration of your fuel line from using ethanol gas.also check for...

it looks like a robot.has plenty of power,the parts are not too bad as Lawnboys go but it is big and clunky like the school bus the handle makes a creaking sound It uses a few assorted fasteners such as torx and allen head screws.its not that hard to work on I dont trust the oil injection but...

it belongs in a museum here is a pic of my m I got last night

was looking for my dog this morning and spotted a neighbor mowing his lawn with a buttercup.had to stop and take pics He told me he was the original owner bought it new in 54 and has been his only mower no he wont sell or trade mower was all original including the wheels.The hole in the deck in...

make that 5 just picked up a 10323 in running condition

got a 7023 mag 21, a oil injected self propelled m,a self propelled v force with rear bagger setup and a self propelled d motor suitcase.

that spring falls off when it gets stretched from improper removal.yes it falls off on reassembly too and then you have to pick a favorite cuss word and start all over.your spring most likely is still good.Lawnboys take a lot of paitence to work on.You can make the flat rate once you do it a...

quite a few people dont like the v force but aside from eating a coil or two and being a little louder mine works fine for now.but I got it for free so I just run it

I have 4 of them and one toro copy.they all run great and cut good.Nobody wants to buy them cant give em away for some reason.

I just purchased a nos grass deflector chute for my school bus part number 683366.My question is this part safe?how long was it offered to the public?Looks like it throws grass up pretty high. Have yet to try it out

got both of them running this weekend The m series model number m21zprc needed a carb clean and had bad fuel and some debris in the gas tank. once the work was done started first pull and ran perfect.The gold series ran but not very well.Needed the main jet cleaned and it started first pull...

here is a pic of a gold series f motor with 3 speed trans I just got from a young gent who did not know what he.He said he found it at the curb It runs but needs the carb cleaned

that has happened to me more than once I call it the luck of Lawnboy.you never know when a coil will go bad.I got a v force 10202 that ran fine when I cleaned the carb but when it came time to sell it would not fire.

picked up a lawnboy m series last nite its in great condition had to drive 180 miles round trip but it was worth it to me anyway.its a non self propelled premix type the model no. is mz21rp18 and I cant find a thing on it Lawn boy cant find the model number either does someone know what year it...

picked up a duraforce silver self propelled and a f motor gold series with 3 speed trans both are in really good condition but dont run cant wait to tear into them.drove 90 miles round trip but it was worth it.oh yeah they threw in an extra mulch plate and and some Lawnboy ashless oil too.will...

I worked on a Lawnboy silver duraforce last week that had a warped carb.Why did the carb warp?The ones I see with warped carb bodies are covered in gook so there is no way the heat can dissipate.You have to clean em up once in a while with engine degreaser and a tooth brush then spray down with...

was working on a dura force recoil last Sunday changing the plastic shroud from a silver to a gold series and after cutting the rope to take off the handle it slipped out of my hand and wound into the recoil.This is not good.Lost the preload on the recoil spring .I pulled the rope back out but...