Author Topic: symba fuel  (Read 2287 times)

SUNSET KID

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symba fuel
« on: January 31, 2013, 04:18:21 PM »
page 1 symba owners manual- use unleaded fuel octane rating [R+M] \2 method of between 87+92.  Page 22  This scooter is designed to use unleaded gasoline of octane no. 90 or higher.   The compression ratio is 9.2:1         my Hyundai  Elantra says unleaded gasoline with pump rating 87 research octane number 91.        I am not sure but I think this means I can use 87 pump octane or higher for my Symba. Anyone got any ideas on all this info? No info on compression ratios for my Hyundai.
Finally got some pictures on of my two Symbas.

Morgan

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Re: symba fuel
« Reply #1 on: January 31, 2013, 11:49:20 PM »
They run fine on 87. That said, I usually use ethanol-free 91.

ootscoot

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Re: symba fuel
« Reply #2 on: February 01, 2013, 10:01:24 PM »
Here in CA, we have ethanol in gas, so whatever grade I use - usually 91 or 89, I add 1 oz per tank fill of Seafoam
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domingo3

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Re: symba fuel
« Reply #3 on: April 29, 2015, 11:03:52 AM »
I know this is an old thread.  I just noticed the bit in the manual that says to use 90 or higher.  I used to run 87, but the last couple of tanks I've filled with premium.  I had been having some difficulties with it turning over, but not starting unless I used the kick starter.  Since switching to premium, it's been starting readily with the electric start.  Not sure if it's just coincidence, or if there's some correlation there.

SymbaWal

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Re: symba fuel
« Reply #4 on: May 16, 2015, 10:36:10 PM »
I think I usually run 89 but I have ran it with 87 and 91 in the tank. Didn't notice differences with any of these.
'10 SYM Symba (light blue)
'06 Tomos Revival
'01 Tomos Targa LX
'77 Garelli SuperSport XL
'72 Honda N600 (the car; 2 cyl. 598cc air-cooled)
(former bikes: '73 Honda CT90, '91 Honda CT70)

Adamdanger

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Re: symba fuel
« Reply #5 on: May 18, 2015, 06:30:34 AM »
I tested this out yesterday. Two runs over the same mountain, one at 89 octane, one at 92 octane. Speeds were the same, but the engine sounded just a bit smoother with 89, but it could have been my imagination. I will try 89 vs 87 in the next couple weeks.

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