Gas?

mxer574
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mxer574
Edited Date/Time 4/13/2014 1:35pm
I got a 2014 yz250 ha about 4 hours on it and I been running pump gas 93 non ethanol. A friend said it wasn't good for the new two strokes said I should run atleast 100 octane. Is this true? Thanks
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Paw Paw 271
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Paw Paw 271 4/12/2014 6:48pm
4/12/2014 6:48pm
In general, NO!
But with that said, Yamaha YZ 250's do need a higher octane than most 2 strokes.
mxer574
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mxer574 4/12/2014 10:46pm
4/12/2014 10:46pm
I haven't ride 2 strokes since 2005 back on 85s rode 4 strokes ever since just trying to get back familiar with the 2 stroke u know!!! But will it be safe with runnin 93 octane??
Paw Paw 271
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Paw Paw 271 4/13/2014 5:53am
4/13/2014 5:53am
In most cases I would say yes it would be ok to run 93 octane, but in your bike it would be better for it to be a bit higher to prevent known pre-ignition issues.
pete24
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pete24 4/13/2014 11:55am
4/13/2014 11:55am
i have owned lots of yz 250s run at least 50 -50 race gas or your going to blow it up, period
my current carcass

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bd
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bd 4/13/2014 1:35pm
4/13/2014 1:35pm
mxer574 wrote:
I got a 2014 yz250 ha about 4 hours on it and I been running pump gas 93 non ethanol. A friend said it wasn't good...
I got a 2014 yz250 ha about 4 hours on it and I been running pump gas 93 non ethanol. A friend said it wasn't good for the new two strokes said I should run atleast 100 octane. Is this true? Thanks
No. Do NOT run pump in a YZ. Run 50-50 Pump Race Gas.

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