Super Dio ZX AF28 and other Dio scooters

[Wheelman-111]

Greetings:

It's OK to add the oil and mix it up with the gas pump blast, (or shake the snot out of the scooter side-to-side...) but how do you know how much oil to measure out? If you overestimate the tank's residual capacity and add more oil than there is room for fuel, your ratio wont' be right. I'd use a 4-gallon plastic tank and put 16 oz. in before adding the gasoline. For longer rides, maybe keep a 2-liter bottle pre-filled with 2 oz. of oil under the saddle for a "reserve" as EliteDio suggests?

[elitedio]

Sanjuro. Try this, put some oil into a clear jar and then add gas over it. Without stirring pour the gas out and see what you have in the bottom. Some oils will mix, many will not. Motul 800 will still be about 50% there undiluted.

[sanjuro]

...but how do you know how much oil to measure out?

I usually let it run until I'm almost out of gas, and then add 120ml of oil, then put in exactly 1 gallon of gas.

[808BMW]

I put gas first, then add oil, then shake very well.

.5 gallons = 2 oz, .75gal = 3 oz. Math is fun, 0.8gal fuel tanks are not.

[Fishman43]

For longer rides, maybe keep a 2-liter bottle pre-filled with 2 oz. of oil under the saddle for a "reserve" as EliteDio suggests?

I keep a reused premix bottle from my Stihl chainsaw filled with oil in the glove box. The little bottles are sized to give you a 32:1 mix with one gallon of gas, so one little bottle gives me roughly two tanks of gas with my premix ratio and still running the stock oil pump.

[808BMW]

I keep a reused premix bottle from my Stihl chainsaw filled with oil in the glove box. The little bottles are sized to give you a 32:1 mix with one gallon of gas, so one little bottle gives me roughly two tanks of gas with my premix ratio and still running the stock oil pump.

A friend of mine does that, only problem is if you need more than 1 fillup while riding. To measure my oil out I bought a $3 bottle of ryobi 2-stroke oil, dumped it into another container to save for the weedwacker, then filled it with the good stuff. I can carry about 18oz. of oil.

[Wheelman-111]

Greetings:

Great idea Eight! I had forgotten about those cool over-&-under measuring bottles. Herbicides, insecticides and other Deadly Poisons come in them too. May recycle one for Scooter duty. (Accurate pre-mixing and keep the scooter free from Spreeders and other Pestilent Vermin in one stroke... )

[808BMW]

Haha, I got the idea because my previous job was insect extermination. I tried using an old pesticide bottle, but the return valve is too small and it takes FOREVER to pump thick castor oil through it. The ryobi bottle has a larger passage, and is intended for the purpose.

[sanjuro]

Well, I fire her up tomorrow morning with a 35 slow jet, 160 main jet, and the air fuel screw turned 2 1/4 out.

[Wheelman-111]

Greetings:

My fingers, toes and eyes are crossed for good luck, Sanj! See Technical Help post on idle mixture (air bleed) adjustment experience later today.

[sanjuro]

Just checked out your post. That was talking about the idle screw, right?

[Wheelman-111]

Greetings:

Yes, the idle Mixture screw. Not the throttle-stop. On most of my many carbs, closing to less than ~1.5-2 turns from lightly seated results in a decrease in idle speed. I could pretty much stall the engine on all the carbs by closing the screw all the way to seated = no air = very rich. What I have not found on any of my carbs is a point where the idle decreases with the screw too far open - even practically having the mixture needle out in my hand...

[sanjuro]

Ah, that makes sense now.

[sanjuro]

I've managed to put 180 miles on the MHR kit, and have kept it at 1/4 to 1/2 throttle with the max speed 40 mph. How many more miles until I can do 3/4 throttle or higher?

[bakaracer]

thats more than good.do those wot plug chops now.