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Ok Guys, I was not keen on sanding that flat surface so a trip to the machine shop is how I fixed up my plastic manifold … I then treated the plastic with Loctite 770 and used Caster Epoxy (and two stainless steel rods) across (bridging) the gaps to ensure the mating surface stays flat in the...

That's all good but these are just lawnmower engines and many people working on them don't have such tools (yes I do). The problem is really with Brigg's choice of materials and not the guy just trying to get his mower going. Anyway one Aluminium Manifold is now a quarter the cost of a whole...

I'm kinda surprised that no one here has tried to sandpaper the plastic manifold flat? ... I'm just trying to find out if that actually holds up over time?

Sorry, I'm not sure if I recalled this correctly, as this guy says the larger jet is on the "R" side. Anyway, I know they're correct on my engine because I've checked the temperatures on the cylinders, and they are close to the same.

I'm working on a B&S 25HP, Nikki at the moment. So with a lots of magnification I read 111 and 114 ... 111 on the "R" Side (Cylinder 1) of the Carb .... Get these the wrong way round and Cylinder 1 runs a lot hotter than Cylinder 2

Most of this makes sense and has already been covered above. But there is no way an engine that's had a blown head gasket and has been overheating comes cleans with simple soap and water. :rolleyes: "People's priorities" are of their choosing. And it's not a crime to "Wonder" (and discuss) if...

So what's your thoughts on spraying the cylinder heads fins and rocker cover cans with black engine enamel?... Would that help with heat dissipation?

Oh Ok thank. ... so I'm kinda wasting my time then :-(

Hi all, I'm currently rebuilding a 25HP V-Twin and before I put it all back together I want the case and cylinder cooling fins to be clean and bright aluminium. So I was wondering if anyone has shot, sand or glass blasted their V-Twin case before and what type of aggregate did you use for best...

Ok today I've compared the thermocouple measured temperature with the laser type temp tester. The thermocouple actually measured about 4 degC lower (rather than higher) but that was just midday temperature (with the engine not running), so maybe thermocouples inaccuracies are not constant from...

None yet, sorry

Yes, thanks again, all clear, for sure ... Actually, this same point has been coved two or three time now. I guess that's the problem with long threads like this one, because none of us have the time to read all the previous posts. :LOL:

Oh right, I get what you mean now ... thanks for your thoughts on that.... But yes they were clear, maybe because I often use a compressed airline (over the whole engine), underneath those cylinders, where the exhaust pipes comes out. I've been away from home for some time but next time I've...

I’ve rebuilt a few of these engines but I’ve never seen those rocker cover tins full of dirt. Assuming the tins are fitted correctly How would the dirt get in there? Oh Ok I get it now … no they are completely cl No sorry Ive not had time to do that as I’m currently travelling.

I’ve rebuilt a few of these engines but I’ve never seen those rocker cover tins full of dirt. Assuming the tins are fitted correctly How would the dirt get in there? Oh Ok I get it now, sorry … No they are completely clear on my B&S engine

I’ve rebuilt a few of these engines but I’ve never seen those rocker cover tins full of dirt. Assuming the tins are fitted correctly how would the dirt get in there?

I've already done that. I've been running the same grade of oil for ages. No recent changes there.

What about running rich? ... I fitted a new Air filter because the old one was quite dark with dust. ... I'll see how she goes on the next mow ;-)

I checked under the cowl but nothing but lite dust

I use an airline "in and under" that shroud after most uses. But just to be sure I will take the shroud off, take a better look and come back to you.

I have a Husky with a 24HP B&S. Some time back I fitted a dual temperature display to monitor the Transaxle temp (usually 65DegC) and the engine (oil filter) temp (usually 70DegC) and I have kept an eye on them both over the last few years. Tranny Temp is still the same but more recently I have...

Some of you may recall how I have a B&S 24HP V-twin that's ALWAYS been hard to start and long story short I did EVERYTHING to fix that (and the engine popping) issue. Well the whole story (that lasted well over 3 years) will send you to sleep (and numb my fingertips on this keyboard) but it...

Absolutely.

Do you see any side effects from doing this?.... It kinda suggest there's a design flaw (like the plastic manifold) in B&S design specifications.

No my carb has separate choke and throttle leavers and cables. I threw away the plastic manifold (which was leaking somewhere!!) and bought an aluminium manifold, which is used on the professional series engines.... This took a bit of adaptation but worked well for me ;-)

Ok thanks for clarify that. I'll consider doing the same but I'm a bit reluctant because I've never had that engine idling and running as sweet as it does at the moment ... so might "let sleeping dog lay" lol! Thanks for all the information ... You've done really well in such a short space of...

Great news! Some say that those two jets are different sizes. Do you know which one you drilled out?

Great ... But you mean "choke plate" right? .... please report back after that one ... and what you covered the hole it with too? Good luck!

Brass plug is what I've always had ... except when I fitted the Chinese Carb (for a few days) which has a plastic/nylon plug. So either one was "no change" Compression test yes, many times ... But I can't see how a leak down issue would help with a starting problem? ... That's really an optimal...

My Carb has the brass plug. As always in life, there's no such think as "EVERYTHING! lol" ... So I've not tried blocking a hole on the choke plate (if there is one?) .... Would love to know if this mod alone does the trick?... But not how you would do this without something being sucked into...

Check and Tested mine (many times) and its working fine.... I'm fairly sure I saw replacements on eBay? .... But need to make sure you're get the right one as the Solenoids on the Chinese Carbs are different (screw thread and plug) to the Nikki Cabs.

Regrettably not...The current (original) carb has been stripped down and cleaned out maybe 10 times (with every jet and venturi check and cleared each time) and the last time was with a full carb overhaul kit. I have also fitted brand new carb which did nothing to solve this problem. Also since...

I have the same engine. And I have done EVERYTHING!! but only more recently discovered that a change in starting procedure works well for me. 1.Battery in good order and well charged .... otherwise don't bother 2.Don't not apply choke (at first). 3.Crank engine over (with starter motor) for upto...

Would love to do a mod like this... But I'm guessing the manifold adaptation would be a nightmare.

Just search for "Dual Digital Thermometer" on eBay and loads of them come up. There's two prob wires and one 12vDC power wire. For DC power you can tap into the same two wires that the hour meter uses.... too easy! For the Tranny probe...measure the wiring route on your mower to the Tranny...

I've just replaced my hour meter with a twin temperature gauge. The top temp is engine oil and the bottom temp is Transaxle. Now I don't have to worry about over working either :thumbsup: :laughing: All the best. Neo

It seems the plastic'ish filer mesh thats goes inside the Oil Collector Chamber is a very hard to buy over here .... without spending a fortune!! Does anyone know of a readily available substitute material I can cut to size? CANCEL THIS REQUEST ABOVE.... I found something that's almost an...

Ok I've spent all day working in the B&S. Took the sump cover off and here's what I've observed ... There appears to be no pumped oil that goes into the Cylinder Head Chamber (CHC). There's two large holes above and below the tappets (I can fit my little finger in it) that allows oil to be...

Ok, I've been away for a few weeks but the new inlet valve was in the mailbox when I got home. Fitted it and put everything back together. During reassembly I notice there was no oil residue in in No.2 Cylinder Head. Crossed checked that with No.1 Cylinder Head which had a fair amount of oil...

Yep that's true. My one is seeping a little so if the rubber seal comes with the Gasket kit I'll replace it ... I'm assuming it just pulls out? I took the crankshaft out today and have a cope of questions.... This looks like a chip to me? ... Or is it a feature? ... There are no marks on the...

I think I see it now... this is the indicator... right?

Please tell me which photo and where you guys see the intake valve not sealing? .... Seats have definitely not moved. Yes they will be. Engine was running rich with old carb and still is with the new one too?? Corbon looks bad in photo but is quite thin and most of it is wiping out with a rag...

Yes I no it's not good but I did it to prove the point. Exactly same symptoms were there (well) before and after I used the sealer so in this case it had no effect either way. Here's some photos of both heads....

Thanks Guys. Ok I'm going to have another stab at that manifold and that Carb today ... I know the figure 8 gasket. Is the "small gasket made with holes" item 150 in this parts diagram?

Hi Gents, Here's one to test your fault diagnostic skills on lol! I have a B&S 24HP V-Twin (Model 445677 - Family 6BSXS.7242VF) Which is a horizontal V with dual barrel carburetor. It start Ok and revs up Ok (a little hesitant) but when idles the anti-stall is always blipping the throttle...

Hi, Is there an easy way to measure the Crankshaft and Camshaft end play on a V-twin CV or CH Kohler Command? I'm assuming the cover needs to be replaced and removed each time I measure this but the Kohler Service manual does not say that and the cover it'self is quite hard to get on and off...

Hi All, Just wondering how I test the Hydraulic lifters in a Kohler engine that has already been dismantled. Your help and advice would be greatly appreciated :smile: All the best. Neo

Hi Gents, I recently picked up an LA120 on the cheap and I'm slowly restoring it. I notice there was a lot of tacky dirt on one side of the engine so when I cleaned it all up and ran the engine for a short time oil started to drip from one of the sump bolts. But this only happens while the...

Hi, Does anyone know if an engine cover (bonnet/hood) from a Toro WheelHorse 17/38 HXL can be made to fit the older 260-H series (268-H) mowers? The main issue I see is the length of the cover...is it long enough? The 260-H series has a shocking reputation for broken engine covers so I figured...

Hi All, Just voicing a personal opinion here..... I have 4 lawn mowers (two with Electric PTO's and two without) and after using them all quite extensively I much prefer the way the two JD's 100 series (with manual cutting belt engagement). This is because I don't like the way the electric PTO...