Synthetic oil back to mineral oil

rockhead00 · Jan 29, 2014

yo yo...

Need some help, just did RK Tek 858 big bore and was reading installation instructions and it states not to use synthetic oil use mineral.

I have 3/4 of a tank of Amsoil interceptor synthetic in the sled so...

1. whats the best way to drain the oil without getting air bubbles in the oil system?

2. I thought once you run synthetic you can't go back?

3. If i just drain the oil tank as best i can and there is a little synthetic left in the tank and oil line etc and then add the mineral what will it do? will it be fine?

Any feedback and help is much appreciated.

Cheers.

sno head · Jan 29, 2014

why you dumping Amsoil ?

ullose272 · Jan 29, 2014

You can swap from dino to syn and back as much as you want no problem. Does it say mineral from now on or just for break in

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rockhead00 · Jan 29, 2014

ullose272 said:
You can swap from dino to syn and back as much as you want no problem. Does it say mineral from now on or just for break in

Sent from my SCH-I535 using Tapatalk

Change it out for good.

rockhead00 · Jan 29, 2014

sno head said:
why you dumping Amsoil ?

RK Tek strongly advised to get rid of the synthetic oil

wellfed777 · Jan 30, 2014

i say drain the oil tank and then refill with mineral oil you'll have a little bit in the lines between the pump and engine but it'll be ok ( i think)
will you be running oil in the fuel for the break in tank ? that should be mineral for sure
i just wouldn't go mixing the two
good luck let us know how that 858 hits

pray for snow

theshadowrider · Jan 30, 2014

IMO just run the synthethic it will be fine.

04proxr800 · Jan 30, 2014

Don't use synthetic, specially amsoil... and SPECIALLY not for break in! little left wont hurt, drain it the best you can!

wi.switchback · Jan 30, 2014

I just would suck it out of the tank the best you can and refill tank,then just be easy on it it until you start seeing that your using it from the tank

99slpss · Jan 30, 2014

Why not synthetic for break in???? I am just about to premix my first tank in the new sled and then manual calls for the Synthetic VES gold for the premix, 40 to 1 to be exact.

jeepin270 · Jan 30, 2014

99slpss said:
Why not synthetic for break in???? I am just about to premix my first tank in the new sled and then manual calls for the Synthetic VES gold for the premix, 40 to 1 to be exact.

Because they want to sell you there oil.

99slpss · Jan 30, 2014

jeepin270 said:
Because they want to sell you there oil.

Ok but if Synthetic was bad for break in wouldn't they tell you to use non synthetic Polaris blue or something? Not starting an argument just want to do the best for my engine on break in. It is about half full of oil from the dealer so I assume that's the VES Gold so one should take as much out as possible and run non synthetic? What brand of non synthetic do people run?

mountainhorse · Jan 30, 2014

Also, OEM's MUST offer and specify for use oil that they have tested to meet EPA emission standards. I doubt that "blue" meets that. Heck... I'm still surprised that they are still able to specify premix in the first tanks.

.

Reg2view · Jan 30, 2014

Kelsey always recommends dino oil with his kits, all the time, not just breakin. Any siphon will work, e.g., I have a bulb siphon just for oil, and have used it many times to drain an oil tank when stripping a sled, pulling a motor, swapping oil or a tank. Get most out without getting air in the line, refill, and you're good.

rockhead00 · Jan 30, 2014

mountainhorse said:
Also, OEM's MUST offer and specify for use oil that they have tested to meet EPA emission standards. I doubt that "blue" meets that. Heck... I'm still surprised that they are still able to specify premix in the first tanks.

.

Hey Mountain Horse,

i always appreciate your feedback, do you have any experience with any of the questions in my initial post?

Cheers.

05900 · Jan 30, 2014

Most synthetics are mineral based to some degree..take out what you can, fill with recommended oil, run it

ullose272 · Jan 30, 2014

synthetic oil is said to not allow the rings to "seat" properly

jeepin270 · Jan 30, 2014

Most of the top 2 stroke engine builders will strongly recommend mineral based oil. Imo, that's best kinda oil for any 2 stroke engine

dgiles · Jan 30, 2014

jeepin270 said:
Most of the top 2 stroke engine builders will strongly recommend mineral based oil. Imo, that's best kinda oil for any 2 stroke engine

Except some can cause havoc on the power valves.

I'm running a RT tek 925 kit on my proclimb and running synthetic. 1000 miles so far....

Synthetic oil back to mineral oil

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