168F Small Diesel Engine Prepping for Real Use! Detailed teardown part 1.
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- Опубликовано: 3 окт 2024
- This small diesel engine is not ready for real world use out of the box. It needs a full teardown, inspection, and proper re-assembly as well as a couple of easy mods to make it work worthy. Without prepping I would be surprised to get 100hrs out of one because of poor assembly throughout.
I am putting this series together in a simple detailed fashion hopefully even an inexperienced mechanic can prep one of these simple engines for daily use.
Products and Items used throughout this series: Some tools I have had for many years and these links are if for similarly designed or same as what I used. I also have no control if product changes over time from link.
-168F Diesel Engine. Actual Used
It arrived differently than the image on the add this is what I purchased amzn.to/3x9Jm6l
-Moly-graphite assembly lube Actual Used amzn.to/3r0ILmn
-Thread locker Blue 24200 Actual Used amzn.to/3l03nqV
-Threebond 1184 sealant Actual Used amzn.to/3cHDWG0
-Hardline Hour Meter Vibration Activated Actual Used amzn.to/3CJabzc
-Piston Ring Compressor tool Similar if not Actual Used amzn.to/3CGOX5f
-Bore Guage Similar as Used amzn.to/3HFT8SF
-Jewelers Loupe Magnifier for inspection Similar as Used amzn.to/3DMzbXN
-Piston Ring Expander I did not use or own put could be beneficial for ring installation. amzn.to/3HK0d4x
-Replacement Rings? looks like L40 Yanmar clone rings will most likely fit. amzn.to/3r1b3xa
-Sirometer vibration tachometer amzn.to/30TtlW0
Follow my instructions and recommendations at your own risk.
Thanks for watching. 
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You are the most organized person I've ever seen tearing down an engine. Most people are a lot sloppier lol.
Love the way you have done this video. The format is way different. I'm kind of picky about what to watch on RUclips, there's so much out there and I don't like people who aren't serious. Jokes are one thing bs is another. I've subscribed.
Thanks for this.
Someone asked for some specifications. 196cc. 68x54mm bore Stroke. 20mm output shaft 5mm keyway. Shaft length is over 2 inches forgot to measure. 3000rpm max, 2.2kw power, holds 3 liters fuel, 0.7liters oil. Splash lubricant. Weights 20kg. 395x330x345 L x W x H. Recommends 10w 30 oil.
Thanks
Sir a model 5hp
Whats the difrence from the red one and the yellow anything major or minor stuff
@Caden James really not sure on color.
@@mossycreekvids so i just got mine and its the yellow version it is diffrent, although it seems to share most of the same parts but the block is diffrent otherwise same motor internaly i beleve.
I rinse out my ziplocs for years out of cheapness and this guy’s dedicating a bag to each part 😂 like it’s an F1 engine.
I gave my F168 a similar treatment and was concerned mainly of the assembly quality. The individual parts seems okay. You have had your engine a year longer than I. Could you give us a one-year review of the engine? How many hours have you put on it? Is it still as good as new? Did you peek into its insets after one year of operation? I am really interested in the long-time reliance of it.
Cheers!
During my divorce there was some issues with Satan wanting my old 2001 f25O ..... She ended up with a 6.7 l log splitter
Great video man! Nice 200x as well, i have an 84
I love that ol thing, Have a Tri-z I am hoping to restore as well
That flat valve is a Reed valve crankcase breather
that fuel filter (plastic) was installed backwards by the factory, apparently.
Fuel filter is on backwards.
It WILL FLOW both ways.
Your supposed to be able see the weather or not the filter is full of junk
The pile of ziplocs cost more than the engine!
nice motor
Thanks you sir 👍🌹❤️
Where is the fuel switch on this? Its says to open the fuel switch before running, but I can't find a fuel switch anywhere.
Mine has a red knob on side of engines loosen knob and.it will allow throttle to move by moving red knob. Lock into engine speed you desire. If loose it returns to 0 fuel injected and engine stops.
I would be interested in buying one of those diesels then hiring a mechanic to break it down and put it back together right
What would you recommend the value adjusted to ..mine only ran backwards lol was rolling smoke out the intake
fixed just by adjusting the valves ..got quite a bit of use out of it soo far soo good. .cold and damp weather..any condition it starts up within 1 to 2 pulls
i basicly have this exact engine and im having trouble starting it. i try to pull the cord and it gets stuck in the same spot and if i pull too hard it makes some weird spring sound. also the decompression lever doesnt wanna stay down. im definitely doing something wrong here..
You might be better off getting the electric starter for it. The decomp valve should stay down till you pull it over.
@@Atvsrawsome i found what the issue was. shipping was damaged so the metal shroud was stopping the plastic fan from moving. works good now! tho i havent started it yet on veg oil lol
The internals of these don't seem heavy enough for long-term use even the basic bore / stroke measurements. These seem more like a short stroke, high rpm gas engine design.
Anybody tried these in 24/7 low speed generator use or similar low speed, constant operation?
Everything is relative to need. Just by the nature of the bore and stroke as you mentioned this engine does not like running really low rpm. It can run low but hammers the engine really hard because of short stroke. The happy place appears to be 1800-3000 rpm. For my log splitter I put it on 2200 works great. I do not expect it to last longer than any high quality gas if we are lucky.
Positives for small engine use
-Light weight
-can be used in place of a lot of gas 3200rpm engine situations
-Diesels stores way longer than most gasolines even ethanol free
-can be run off of WMO and other bio fuel if need arises.
-definitely more fuel efficient than the gas 6.5hp engine it replaced and powers my log splitter just as good
Negatives Depending on need
-light weight
-Runs at 1800-3000 rpm which limits longevity as with any engine that operates at these rpms. Not good for long term 24/7 usage
-Not for low rpm genset
I had a 12/2 listeroid Genset. Which wound up being an absolute piece of heavy junk. The machine would have been awesome for 24/7 with the exception of the breaking cam shaft and the horrible timing gears. Even mods it was not good, junk. So close to a good machine.
Now find a real lister or even a single cylinder listeroid can be made way more reliable for low speed 24/7 gen use. I plan on taking my low speed genhead gearing up and hooking to my 30hp tractor pto. For 24/7 if need ever arises for me
I have the orange version of this engine. Mine has a metal air filter housing. I notice yours came with a fuel filter. Mine did not. I wonder where I can find a fuel filter like that?
There are a couple variations of this engine. When I ordered mine the picture was the orange one with metal filter. Mine showed red with plastic. LOL. Any decent small engine filter will most likely work. Look in your tank where your fuel nipple is. One style of this engine has a debris screen there.
@@mossycreekvids Yeah mine has a screen under the cap and a tiny filter on the end of the fuel line in the tank.
@@greglewis3382 What do you plan on doing with yours?
Now, my engine has trouble. It sounds like it misses, then loses rpm's, and then sometimes stalls. When it is in this state, changing the throttle has no effect. I'm contacting the seller.
@@greglewis3382 Hate to here you are having issues. How many hours do you think you have on it?
Hey I need some help with this engine it starts up fine but as soon as the give it throttle it puffs white smoke and runs really bad
anyway you got water in the fuel? Also is yours exactly like mine or some models have a very small filter screen in the tank.
Are parts available - at least the gaskets?
wsepo.com/collections/small-air-cool-diesel-engine-parts
I ordered a couple cheap Items from here just to see how it went. They arrived. They have several parts available. Communication will be via email. Send pictures and measurements. There are a couple different versions of this engine that look very similar and all parts do not interchange.
The filter is on backwards so why did you mark the flow
Would it be possible to run one of these on WMO being has it has a 23:1 compression ratio?
I honestly know very little about running WMO. However I do plan on testing it with it at some point. When I educate myself more on WMO
chinese diesel engine copied from?
Not everything Chinese is a copy. China has been making small diesel engines for a long time to power all kinds of equipment.
Don't use oven cleaner on aluminum it will carrode it