Blaster only starts with petcock on reserve

stacypfingsten

U.S.N. Veteran.
Apr 8, 2014
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norcal
Well like the title says. For some reason my daughters Blaster only starts while on reserve. Any help would be appreciated.
 
sounds like a dirty pick up in the tank and or valve there are 2 separate filters on the valve in the tank or theres not enough gas but i'm gonna assume that you checked that off the list already
 
i almost typed something about reverse lol...yep clean it up good,and it might look like enough gas to run on normal but it might not reach the top of tube..resereve tube is angled to the side.:)
 
reserve sits in the bottom of the tank, whereas the on position is about 4" up

if the filter is jammed, no flow will be had through the on position