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Trufuel or 32:1 in yard equipment

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I didn't know that these were premix :laughing:
 
I have a chainsaw in my collection that calls for 10:1 because McCulloch had this brilliant idea for the excess oil to be scavanged for bar oiling. this system did not last long :laughing:
Wtf?

engineer- "We'll run all the gas through the chain before it gets to the carb. Don't worry... we're putting a screen on it to keep most of the flakes out. Anything small enough to get through the screen will simply get used up during combustion."

department manager- "Brilliant." [lights_cigar]

:laughing:
 
Wtf is wrong with fuel stabilizer?

I use pump gas and mix oil and put in some stabol and my shit sits. Starts up fine.
 
5 gallon can of VP with a 50:1 mix of Stihl Dino (orange bottle) , Its all Ive done for years- (with the vp at least since the ethanol BS)

Bought my 044 saw in about 1992 and an FS44 weed wacker the next year. both still rip with the original plug , fuel lines ect.
probably nearing 400 cord plus tons of tree work and lot clearing with that saw.
sometimes you get what you pay for.
 
Wtf?

engineer- "We'll run all the gas through the chain before it gets to the carb. Don't worry... we're putting a screen on it to keep most of the flakes out. Anything small enough to get through the screen will simply get used up during combustion."

department manager- "Brilliant." [lights_cigar]

:laughing:
I think a more likely scenario is dripping the oily mess out of the exhaust onto the bar...
 
Wtf?

engineer- "We'll run all the gas through the chain before it gets to the carb. Don't worry... we're putting a screen on it to keep most of the flakes out. Anything small enough to get through the screen will simply get used up during combustion."

department manager- "Brilliant." [lights_cigar]

:laughing:

I think a more likely scenario is dripping the oily mess out of the exhaust onto the bar...

the theory was that the extra oil would pool in the crank case, then get pumped through the bar
 
And nobody did any testing to see that it doesn't really pool in the crankcase, it actually makes crusty black stalactites in the head?

:laughing:

Every 2t I've taken apart has a pool of oil in the crankcase... :confused:
 
Ok, I guess it works then. 10:1 it is. (In my defense, 1st ive heard of it)

Not saying it's a good system, as 2t oil is far from ideal bar oil and saws get run at all angles, not guaranteeing a decent oil pool in the case.
 
My bikes run 80:1. :laughing:

32:1 is madness to me. Might as well run diesel. :laughing:
32:1 is antique shit. Most people haven't been running 32:1 since McGrath was winning.
Generally I run 50:1 in the YZ250, but that thing gets Amsoil and I also actually know how to tune things so :flipoff2:
 
Every 2t I've taken apart has a pool of oil in the crankcase... :confused:
I'd love to see if that pool was present with the crankshaft whipping past/through it 150 times a second. I've always seen the pool when taking things apart as well, but the old timers in the oil mix wars back in the day saying that pool of oil is essential to lubricating the running engine never made any sense to me.
 
I'd love to see if that pool was present with the crankshaft whipping past/through it 150 times a second. I've always seen the pool when taking things apart as well, but the old timers in the oil mix wars back in the day saying that pool of oil is essential to lubricating the running engine never made any sense to me.

It is how the bottom end is lubricated. I think it was Yamaha figured out it only built up a few drops every few seconds running 16:1. :eek:
 
32:1 is antique shit.
My son's 2019 KX100 specifies 32:1. I thought it was pretty odd when we first got it. A bit of forum reading on them convinced me to go with the manufacturer's spec.

I've always kept 40:1 on hand for everything else. Mainly my old '92 250 KTM (mfg spec), and back in the day our Kawi jet skis, but it gets used in the snow thrower, weed eater, etc.

The mfg. spec for the 300XC we just got to replace the KX is 60:1, and is what I intend to use. Someday I'll get back to just having one ratio of premix...
 
My son's 2019 KX100 specifies 32:1. I thought it was pretty odd when we first got it. A bit of forum reading on them convinced me to go with the manufacturer's spec.

I've always kept 40:1 on hand for everything else. Mainly my old '92 250 KTM (mfg spec), and back in the day our Kawi jet skis, but it gets used in the snow thrower, weed eater, etc.

The mfg. spec for the 300XC we just got to replace the KX is 60:1, and is what I intend to use. Someday I'll get back to just having one ratio of premix...

Pretty sure they haven't changed that motor since the 90s until they went to the 112.

We've been running my kids 04 on 40:1 Castrol for about 50 gallons of fuel now.

Proper jetting is huge. People blame melted pistons on oil, when they were running it stupid lean and hot for miles and miles before failure.
 
I thought they had some big changes ~2014 but I don't remember the specifics. All I know is it runs great and doesn't seem to have excessive spooge. Either way it served its purpose, he's out grown it now and is onto full size bikes and the KX is up for sale.
 
Of course, right after buying a 2 Gallon can of trufuel earlier this week, it goes on sale at Home Depot.
Special buy of the day, 29% off of a six pack in all flavors.


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Pretty sure they haven't changed that motor since the 90s until they went to the 112.

We've been running my kids 04 on 40:1 Castrol for about 50 gallons of fuel now.

Proper jetting is huge. People blame melted pistons on oil, when they were running it stupid lean and hot for miles and miles before failure.
I pulled one guy in off the sand dunes after his motor let go. Said he though it was bad mix of oil as he was used to running a synthetic blend and went full synthetic. I asked what his plug looked like and he said “What do you mean. Its a spark plug.” Yes they ride amongst us and vote…
 
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