Hi,
having problems with the R/H fuel tank not providing fuel and only left (passenger side) tank working... Any ideas of what problem may be. Many thanks

Check the little breather hole in top of tank isn't blocked. Mine was, after I rust converted the inside of the tank.
Poke a drill through it.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.

Thanks Doc

Could the outlet at the bottom of the RH tank be blocked with sludge? Also the interconnecting pipe may be blocked between the RH outlet and the takeoff for the fuel pump which is closer to the LH tank.

Great thanks BB will check it out.

Check out the rubber fuel line between tank and solid interconnect line. If tank has been removed and flex line crimped with multi grips, the fuel line may well have taken a set and blocked fuel flow. I'm just speaking from experience.

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1970 Mk2
1968 Mk1 project

Thanks mozzie....hornets nest....lower pipe..