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Author Topic: chinese hit & miss engine FUEL question  (Read 3683 times)

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chinese hit & miss engine FUEL question
« on: October 07, 2019, 10:27:12 pm »
Ive read a few articles on using Zippo ? fuel   will these engines run on ordinary petrol?
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Re: chinese hit & miss engine FUEL question
« Reply #1 on: October 08, 2019, 01:55:59 am »
Bonjour,
I have a M91 and, as I was in a hurry, I started witj Zippo gas, VERY expensive, so I went and fetch E98 gas for cars and it operates absolutely correctly too. I am sure that E95 would be also usable.
I would ass that the carburetor needle adjustment is very delicate. For mine, it is a litle bit more than 90°
And I have a trick to help it for the first start, I inject a little drop of gas directly in the carburator  ;)
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Raphaël, Membre du Modèle Yacht Club de Paris : http://mycparis.fr/
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Re: chinese hit & miss engine FUEL question
« Reply #2 on: October 11, 2019, 08:35:36 am »
Prior to getting mine I watched dang near every video. I swear there was a video that said which fuel burned the cleanest. Darn if I can find it. I've had mine about a week, haven't tried it yet. I'm waiting on the lighter duty springs to get here. They are coming from China also and some poor guy must be walking them to my mail box. 
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Re: chinese hit & miss engine FUEL question
« Reply #3 on: October 11, 2019, 11:59:00 am »

Naptha burns with minimal ordors and resists varnishing.

https://en.wikipedia.org/wiki/Coleman_fuel
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Re: chinese hit & miss engine FUEL question
« Reply #4 on: October 11, 2019, 12:59:43 pm »
On my horizontal engine no problem with Coleman fuel mixed with 50% (Swiss Neoval) oil.
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Re: chinese hit & miss engine FUEL question
« Reply #5 on: October 11, 2019, 01:45:19 pm »
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Re: chinese hit & miss engine FUEL question
« Reply #6 on: October 11, 2019, 01:55:07 pm »
Seems expensive at 50% mixture ( although you may have a cheaper source), I do use sometimes mix oil in fuel but use  40:1, 50:1 mixtures. I sometimes use an ethanol free product and only because I have this around for chainsaw that seldom runs.



https://www.amazon.com/s?k=50+1+premixed+fuel+gallon&crid=1SH1E8DT6GGU4&sprefix=50%3A1+%2Caps%2C140&ref=nb_sb_ss_i_6_5
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Re: chinese hit & miss engine FUEL question
« Reply #7 on: October 12, 2019, 04:05:16 am »
hello guy
my M91 run whit sp98 whith the same oil off my engine mode plane l(85 cc). the oil is 20w40
the M91 run very well .
Pascal Fom FRANCE
regards :)
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Re: chinese hit & miss engine FUEL question
« Reply #8 on: October 12, 2019, 05:30:10 am »
Bonjour
i mentionned E98 and Pascal SP98, in France that means unleaded petrol with a grade of 98 octane ;)
Both of us add a drop of 2 stroke oil, even if Jin does not suggest it on its light paper manual.
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Raphaël, Membre du Modèle Yacht Club de Paris : http://mycparis.fr/
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Re: chinese hit & miss engine FUEL question
« Reply #9 on: October 12, 2019, 08:22:46 am »
Hi Primerk can you tell me where you have ordered the new springs from as I might order some. I don't have a real problem with the original springs but the governor control operates in a fairly sudden in and out way. Softer springs may avoid this
Regards Brian
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Re: chinese hit & miss engine FUEL question
« Reply #10 on: October 12, 2019, 03:20:07 pm »
Quote from: Alan on October 11, 2019, 12:59:43 pm
On my horizontal engine no problem with Coleman fuel mixed with 50% (Swiss Neoval) oil.

Think he meant 5%  thats 1:20 and that is more than enough.

tsweller
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Re: chinese hit & miss engine FUEL question
« Reply #11 on: October 12, 2019, 07:05:35 pm »
Thanks for the replies from everyone
I started my engine for the first time using 95 octanes petrol with a small amount of 2 stroke oil,  it seems to run great so i,m not going to fork out for expensive fuel
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Re: chinese hit & miss engine FUEL question
« Reply #12 on: October 18, 2019, 07:01:46 am »
I use Coleman or Crown camping fuel, aka white gas. A bottle of this is a good a year later as the day you bring it home.
It's main ingredient is naphtha and I mix it 15:1 or 20:1 with Marvel Mystery Oil or any good 2 cycle oil or both. You can run them without oil but it is not recommended.


There are also 92 or 94 octane pure fuels (no ethanol) that is blended for yard tools which work fine.


Another source, if you have a nearby small airport is 100 octane Low Lead aviation gas. It will have a little less power but is very high quality fuel, lasts a long time, and has no ethanol.



Again, while these engines will run without oil in the fuel, I do not recommend it.

Automotive unleaded fuel now almost always contains ethanol.... also no good for your engine. It absorbs water and eats parts and oh yes, has a poor shelf life.
There are also a handful of poisons in auto fuel which are designed and blended to be pushed through a catalytic converter at 1400-1800 degrees. Our model hit and miss engines rarely get over 110 degrees.


I have bought. modified and resold a few of the M90 and M91 engines. I have added to the instructions Jin provides. (Jin is still learning)


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Re: chinese hit & miss engine FUEL question
« Reply #13 on: October 22, 2019, 07:57:02 pm »
At the paint store I found naphtha reasonably priced as “Painter’s Naphtha".  I assume it's the same as Zippo or Coleman's, but wonder if there might be some refining differences which would make the painter’s product a bad choice for the ET1 engine?

Also, the automotive fuel system additive Sea Foam is apparently a formulation of naphtha and pale oil.  Would it have any advantages as top-end lube over WD40, 2-stroke oil, or Marvel in these little engines?
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Re: chinese hit & miss engine FUEL question
« Reply #14 on: October 23, 2019, 10:21:00 am »
First of all, make no mistake about WD40. It is as lousy lubricant.
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