OutdoorKing Repair Forum Forums Restoring, Customising and Modifying Tech Talk SB Model 45 - Clutch and Engine Problems

Thanks Stuart, we have to remember now to plug that aluminium breather tube back in at the lower end (I usually disconnect them at the top, so that is where I usually look when I'm putting them back together).

All is good so far. I see you've removed the control panel - I'll still post the Briggs instructions for doing that, so this will be a complete archive:


The next job is to separate the carburetor from the fuel tank. It isn't nearly as tricky with horizontal crankshaft Pulsa-Jets as it is with vertical crankshaft ones, but you still have to be careful of the fuel pick-up tube, circled in red in the disassembly instructions:



On the bottom of that tube is a flared-out section, which you have to thread through the hole in the top of the fuel tank without damaging it. Do not try to remove the tube from the carburetor. Note you have already taken care of item 2 of the instructions. Don't discard the gasket unless it is damaged.

Now we get to the serious part. We need a picture of the flared-out section of the fuel pick-up tube, showing the fine mesh on the bottom of it. This will tell us whether Problem 2 (see earlier post) applies. We also need a picture down into the fuel tank, showing whether it is full of grunge or sparkling clean. Let's discuss the results of all that before taking anything else to pieces, especially the fuel pick-up tube.

Once we clear up those questions, we can talk about Problem 4.