Will the tiniest amount of diesel in the fuel damage the saw?

[Ryan625]

I've filled up a petrol canister with 5L of petrol and forgot that it was previously used for diesel. There was basically just a film of diesel on the inside and now it's mixed into the petrol, which is what I'm assuming is causing my saw to smoke like crazy?? Will this cause any damage since it's been extremely diluted?

[swinny]

Nah. Not to my knowledge. I use same funnel for filling chippers as I do stihl combi cans. Always a small bit of diesel sits in the funnel and goes in the combi can. No issues in 15 years.... 

 

 

A bit of chain oil in the fuel tank of a 150t climbing saw will make the bugger smoke though and smell bad! Been done by many a groundsman. Still no issues once fuel dumped and filled back up

[adw]

No it will not hurt it, we see power cutters everyday filled with diesel, just drain it out crank till they start, they smoke like a chimney for five minutes but does clear and all good.

[Donnie]

Can second that putting used gear oil into the fuel tank of a saw. Just emptied it and chucked a fill of petrol in and away I went. Worked fine smoked like crazy

[Ryan625]

Perhaps my fuel mix was rich, I'm relatively new to mixing my own fuel. Did 50:1 using the markings on the mix bottle, using rocwood 2 stroke oil. I've diluted it slightly with more petrol so it's probably more like 55:1 Would you recommend tossing that fuel and mixing up some more fuel? 

Edited August 7, 2024 by Ryan625

[Stubby]

Just stock up on Yorky bars and keep on truckin' 🙂

[woody paul]

Was it red or white diesel, makes a lot of difference if you working domestic or commercial to HMRC. 

[maybelateron]

22 hours ago, swinny said:

A bit of chain oil in the fuel tank of a 150t climbing saw will make the bugger smoke though and smell bad!

I love my Echo 2511 tophandle, but it is the worst saw I know to get going after putting chain oil in the fuel tank.

[swinny]

Just now, maybelateron said:

I love my Echo 2511 tophandle, but it is the worst saw I know to get going after putting chain oil in the fuel tank.

The 150 ran fine but stank. I hadn't fueled it up. Was up the tree using it and thought bloody hell this stinks. Waiting for saw to set alight thinking foul object burning. Did the tree, whipped covers off and checked and ran it and no chain oil where it shouldn't be etc. Opened fuel cap and looked like canal water 😅 

 

Not sure who it was but fuel ditched and refilled and onto next tree 😀 

[Bolt]

I used to use about 20:1 saw fuel to diesel mix for rat smoking duties in repurposed saw.  Saw never missed a beat, but after 10 minutes the yard looked like a rollin’ coal convention.