Generally, people are using Rotella 15-40w for oil. You don't need 'fancy' oil for these bikes, and they do put 15-40 as recommended, which is generally oil used in diesel engines.
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"They say that life's a carousel, spinning fast you got to ride it well..."
TGB Delivery Scooter 150
TMEC 200 Enduro--carcass is sadly rotting in the backyard
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