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Old 11-02-2004, 06:31 AM
mcambrose mcambrose is offline
LawnSite Senior Member
Join Date: Jan 2000
Location: Florence, AL
Posts: 501
Walker - Kohler 25 hp Bogs Down Intermittently

I have a walker with 25hp kohler, 1,600 hrs. The head gasket replaced about 10 hrs ago and the valves lapped. It starts fine cold and seems to have great power. Somethimes however, it will bog down while you are mowing like the choke has been engaged. The blades slow. Sunday I found some water in the fuel filter, so I drained the tank and replaced the filter. I checked the carb bowl and it had some trash, but no water. I cleaned out the trash and then ran it. It seemed to run fine. Yesterday a worker used it again and it started bogging down again, but it comes and goes. He mentioned that it often started when he turned up hill. The engine doesn't sputter, it just bogs down. Could there be a drop or two of water in the carburetor jets. I checked and the fuel filter doesn't have any drops of water now.
2-Walker 20 HP GHS, 1-Walker 26 hp GHS, 1-Walker 23 hp GHS, 42 and 48 GHS decks, 42 mulch deck, 42 discharge deck, 3-Honda WB, 3 Shind Trimmers, Stihl BR600 blower, Shind 260 edger, Two Shind Multi-tool with artic. clippers and chainsaw, Redmax 8000 blower, Redmax 7001 blower, Shind 803 Blower, Spyker walk spreader, sprayer for Walker mower, 3-Stihl chainsaws.
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