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Thumperacres · 11-14-2007

Have been working on my S-i-L's 3010 with fouled spark plugs and high oil level that thinned badly when hot, it has an oil pressure gauge and it dropped about 20 psi when I finally got it running decent. Concerns: S-i-L said it was run out of gas and didn't run right after refueling ! I suspected contaminated fuel, but the bowl drain screw was broken off flush with the bowl from previous attempts to remove it. MULE had been used by lifeguards somewhere on the ocean and is rusted badly underneath. Would not stay running unless it was very cold out and then only for a short while. R & R 'ed the float bowl expecting to find a problem in the needle and seat area, found none it was clean as was the bowl. Gave up yesterday as I was tired of hitting my head on the transmission support. Went back out today and leveled it up on my scissor car hoist so I could work on it w/o damaging me. While under the unit, oil from the duckbill on the air filter housing dropped on my arm. Removed it and the filter and the air box drain which was full as was the bottom of the air box. Appeared to be blow-by from the overfilled oil. Decarbonized the plugs and got it running with the air box cover off and and a temporary fuel tank with 50% sea foam/fresh gasoline mixture. It settled down and ran OK even was able to drive it to warm it up to change the oil/filter. Checked Fuel Pump pressure and it was 3 psi, and it ran OK back on the pump rather than the temporary setup. left it running as I reassembled it from the air box out. All went well until I slid the old air filter into place. It stalled out. I removed it and it restarted. The old one looked OK using a light and did not appear to be plugged as the monitor on the air inlet pipe wasn't out of range, I checked it early on. Put the new filter on I had in stock and it ran fine, road test was fine. Will let it sit overnight and see how it does tomorrow. Will think about a liquid vapor separator for the crankcase vent with a hot rod crankcase filterv above that rather than have it go to the air box. Unit has 622 hours showing but no maintenance history came with it. Hope it helps someone someday.

11-14-2007	#12 (permalink)
Thumperacres Foil Inspector BTK Intermediate Join Date: May 2006 Location: Moses Lake, WA Posts: 120	Have been working on my S-i-L's 3010 with fouled spark plugs and high oil level that thinned badly when hot, it has an oil pressure gauge and it dropped about 20 psi when I finally got it running decent. Concerns: S-i-L said it was run out of gas and didn't run right after refueling ! I suspected contaminated fuel, but the bowl drain screw was broken off flush with the bowl from previous attempts to remove it. MULE had been used by lifeguards somewhere on the ocean and is rusted badly underneath. Would not stay running unless it was very cold out and then only for a short while. R & R 'ed the float bowl expecting to find a problem in the needle and seat area, found none it was clean as was the bowl. Gave up yesterday as I was tired of hitting my head on the transmission support. Went back out today and leveled it up on my scissor car hoist so I could work on it w/o damaging me. While under the unit, oil from the duckbill on the air filter housing dropped on my arm. Removed it and the filter and the air box drain which was full as was the bottom of the air box. Appeared to be blow-by from the overfilled oil. Decarbonized the plugs and got it running with the air box cover off and and a temporary fuel tank with 50% sea foam/fresh gasoline mixture. It settled down and ran OK even was able to drive it to warm it up to change the oil/filter. Checked Fuel Pump pressure and it was 3 psi, and it ran OK back on the pump rather than the temporary setup. left it running as I reassembled it from the air box out. All went well until I slid the old air filter into place. It stalled out. I removed it and it restarted. The old one looked OK using a light and did not appear to be plugged as the monitor on the air inlet pipe wasn't out of range, I checked it early on. Put the new filter on I had in stock and it ran fine, road test was fine. Will let it sit overnight and see how it does tomorrow. Will think about a liquid vapor separator for the crankcase vent with a hot rod crankcase filterv above that rather than have it go to the air box. Unit has 622 hours showing but no maintenance history came with it. Hope it helps someone someday. __________________ Max from Thumper Acres, home of the single cylinder 4 stroke motorcycle.