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crf89
User offline. Last seen 23 weeks 2 days ago. Offline
Joined: 17/02/2010

Hey guys im new to the sport along with my younger brother he has a 2008 crf 150 and i have a 2007 crf 250, we need help with how to drain bad gas? what oil to mix with the gas? and how much oil to mix?

simon
User offline. Last seen 2 weeks 3 days ago. Offline
Joined: 13/02/2002
CRF's are four strokes, you

CRF's are four strokes, you shouldn't mix any oil with the gas.

There is a drain plug at the bottom of most carburettors to drain the carby.

Disconnect the fuel line from the tank where it joins the carby to drain the fuel tank itself, you may have to lay the bike over. In fact, i'd take the tank right off and rinse with fuel to ensure its clean.

Sounds like you should check with a local mechanic/shop on the right things to do with the bikes.