Opti2 and fuel filter darkness

Dymaxion · Jul 27, 2011

I recently rebuilt my motor with a new top end. I decided to break it in with opti2 and I also added a see-thru fuel filter at the same time. After about 25 miles here is what what the fuel filter looks like:

Is the dark layer at the bottom normal? Is this some type of opti2 sediment?

bairdco · Jul 27, 2011

it's probably dirt from the tank. i've never had Opti2 darken in any of my tanks, gascans or filters before. could also be from the rubber O-ring deteriorating inside the filter, even though it's new.

2door · Jul 27, 2011

Opti-2 is dark blue and looks darker than some oils in a transparent fuel filter. I wouldn't worry about it. I assume you mixed your fuel in a seperate container and not your bike's fuel tank.
Tom

Dymaxion · Jul 27, 2011

Thanks guys. I guess it could be dirt in the tank or maybe an o-ring is breaking down, but it appears "oily" and that tank was cleaned out.

All fuel is mixed in a gas can and well shaken before going into the bike.

Nothing seized up yet so I assume the slippery good stuff is getting through the filter to the engine, but it does look odd.

maxsideburn · Jul 28, 2011

looks just like my filter does using regular old synthetic 2-stroke oil

DuctTapedGoat · Jul 29, 2011

Could just be metal and paint bits from your tank. As time goes on, they get finer and finer.

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Opti2 and fuel filter darkness

Dymaxion

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bairdco

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2door

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Dymaxion

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maxsideburn

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DuctTapedGoat

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