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Just brought home a Power King 2418 and have a question

Brendon-KS

Brendon-KS

Well-known Member
Location
Goessel, KS
I hauled home a 1978 Power King 2418 from my parent's place and am looking forward to putting it to work. Dad rebuilt the K361 engine after it digested a valve and it is now running good. I read somewhere that overheating was a real killer of these engines and that the proper way to ensure good cooling is to run it at full engine speed. (And of course keeping the fins clean.) Is this correct? I don't plan on using PTO-driven equipment so engine speed isn't critical for what I'm doing. Just want to do what I can to ensure a long life. Thanks.
 
I don't know about full speed. I usually run my engines at about 3/4 speed. For some reason I just can't bring myself to run them full out even though they are made to take it. Keep the RPM's up and give the cooling fins a regular cleaning (how often depends on what kind of conditions you are experiencing) and you should be fine. The main problem is that oil and debris build up under the valve box. The area is small and debris builds up very quickly so don't skimp on the cleaning.
 
I don't know about full speed. I usually run my engines at about 3/4 speed. For some reason I just can't bring myself to run them full out even though they are made to take it. Keep the RPM's up and give the cooling fins a regular cleaning (how often depends on what kind of conditions you are experiencing) and you should be fine. The main problem is that oil and debris build up under the valve box. The area is small and debris builds up very quickly so don't skimp on the cleaning.
 
Don't run the engine too lean as this will cause an aircooled engine to overheat. This happened on a 72 VW Super Beetle I bought in 73 with a hole burnt thru one of the pistons. Open the main jet adjusting screw on your carburetor as this will enrich the fuel mixture. If it has black smoke under load close the needle valve some. As been mentioned keep the fins clean as this will block the air flow. Hal
 
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