Installing a Piston.

[doc874]

What do you guys use to lube a piston/cylinder prior to installation.

Doc

 

[Lakeside53]

Two stroke mix preferably, or any light oil...

 

[klickitatsacket]

Marvil Mystry Oil. I have a large mister bottle that I keep filled with it. I use it for lubing grinding burrs, drilling, penetrating oil, polishing oil, lubing pistons for assembly and so on. I wonder if it would work for 2-stroke mix.......hmmmm.

 

[blis]

a bit of 2 stroke oil has always worked for me...

 

[bama]

I use 10w oil. I have enough to lube a thousand pistons. I only wish I had a thousand saws to put the pistons in!:hmm3grin2orange:

 

[bama]

Woops...Double post.

 

[doc874]

oil

Has anyone used a light coating of lithium grease or bearing type grease? Is it even feasible to use a lithium or bearing type grease? The reason i ask is because i was sitting here with an 028 super tore down and all i can find is a tube of lithium grease so i'm wondering if i can use this, or , do i get wet and go to my shed for the WD 40? Pros and cons?? Thanks.

Doc

 

[twoodward15]

You don't want to know and I cringe telling this because everyone will laugh at me, but I dip my finger in the bar oil bottle and give the cylinder a quick wipe. Surprisingly enough it smokes very very little and seems to work fine. I was wondering the same thing you are one day and then thought about for a minute and realized that the only oil a 2 stroke gets is what is in the gas. It's going to get gas to fire, so it's almost instant lube.

 

[kidd300]

I would think nothing would hurt if you just smoother the piston and needle bearings in Motor oil 10w30 or 40 just to get the oiling started Just like you do when you do a Car motor you dip the whole piston and rings in oil before you install them in the cylinder !

Just my thoughts !

Mike

 

[Lakeside53]

Has anyone used a light coating of lithium grease or bearing type grease? Is it even feasible to use a lithium or bearing type grease? The reason i ask is because i was sitting here with an 028 super tore down and all i can find is a tube of lithium grease so i'm wondering if i can use this, or , do i get wet and go to my shed for the WD 40? Pros and cons?? Thanks.

Doc

I wouldn't use the lithium grease. If you have to, WD40 would be a better choice.

 

[Trigger-Time]

I have never put a piston in a saw in my life. But I have drilled & taped
thousands of holes of all sizes in aluminum, and for cutting and tapping fluid
WD-40 was all we used, I'm talking holes from .063 to 2" in Dia.

Gary

P.S I'm just talking about aluminum, works good with soft copper too

 

[kidd300]

Why WD-40 isn't it too light to lube the cylinder walls enough ?

Mike

 

[Trigger-Time]

Why WD-40 isn't it too light to lube the cylinder walls enough ?

Mike

I don't know, I just know it works great for cutting fluid in aluminum
It won't glad or stick to the drill bit or tap, I really don't think it would
be the best for putting a piston in, but would think it would beat putting
it in dry. I seen a chance to put in about using it as cutting fluid in
aluminum, because it works so well.

Gary

 

[kidd300]

i dont i would install pistons in a car motor with wd-40 i like a good motor oil any weight would work

Mike

 

[Big Woody]

Anybody know what WD-40 stands for?

 

[Lakeside53]

Water Displacement , 40th try at something that worked.

 

[Lakeside53]

Why WD-40 isn't it too light to lube the cylinder walls enough ?

Mike

Ligher then 50:1 mix? It's a 2 stroke... The cylinder is wet as soon as it gets enough gas to fire.

I use mix-oil, just a smear.

 

[1953greg]

i use the mix oil stright from the bottle. couple drops on each bearing, coat piston n cylinder also. what could be better than the oil that is for the engines?? go figure

 

[buck futter]

for final assembly two stroke oil or 10w30/40. They used to use 30 weight oil to mix with so a little to lube assembly can hurt absolutely nothing. I use marvel or wd-40 if I am degreeing a saw or a mock up to see if everything is where I want it.

Marvel is amazing stuff the machine shop at my last job used to buy it in 55 gallon drums to machine with, it was a nice perk I still have a gallon kicking around.

One of the best things I did was buy a quart of generic two stroke oil that I use only to assemble and lube the internals. this way I save the stihl synthetic to mix with.

 

[CUCV]

I think it stands for water displacement formula 40....

I used ATF or 2-cycle oil when installing pistons.