I can't start my chainsaw. It is a homelite 3314 with a Walbro WT 673 carb. It was working OK and then just stopped. I checked the fuel lines and they were corroded in the tank and fell apart. Filter looked OK. i replaced both the fuel line with the filter and the return line. Now it won't start and the primer bulb sticks in (and doesn't pop out) so fuel doesn't get thru the system. I don't see any cracks in the bulb. It will partially start if I spray carb cleaner directly in the carb, but then die because no other fuel is getting thru. I checked the spark plug and that is still sparking. I am not qualified to try to take apart and clean the carb without help. The filter may be clogged. Any suggestions? Home Depot sells a replacement filter/bulb/fuel line. I plan on trying that next Thanks.

I purchased a Huskee Front Tine Rototiller, CARB Compliant machine May of 2012. It has a Briggs and Stratton 675E Series 190cc motor (6.75 ft lbs), 126M02-0335-B1. I used it in June of this year, and didn’t try to start it until last month. It started and ran for about 20 seconds. After the 20 seconds it just stopped and I could not restart it. I pulled the plug and it was fouled. I cleaned it, checked to make sure it would spark and put it back in. It started and ran for 2 seconds, then died. I pulled the carb and cleaned it, and replaced the needle and seat with new ones. It started ran for a couple seconds and died. I taught I screwed up the carb, so I ordered a new carb. I put that on and it ran for 3-4 seconds and died. I was unable to restart it. If I wait a day or so, it will start and run for a couple seconds. After that it will not restart. At this point I think I should replace the plug. It is a Champion rj2yle. I googled this plug and it seems like it can be troublesome. Can anyone recommend a replacement for the rj2yle? Have I overlooked something, and am going down the wrong path? Thanks in Advance!