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Showing results for tags 'm12'.
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I'm replacing the fuel pump on Kohler magnum m12 12hp which is leaking. I replaced it with the manual pump as per the picture. which is very similar. I event tested it before fitting. but it just doesn't pump any fuel through. I'm trying to figure what the problem could be be. I'm pretty sure I've fitted it correctly, and when I put the old pump back on it works fine. Am I missing something ? I noted its got the large circle with the kit but I didn't use that as I could see if it was needed anywhere anyway. Any help would be much appreciated. I just don't understand why its not pumping the fuel through
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Rebuilt and transplanted a M12 into a C-160. The K341 gave up the ghost and already had been opened to 30 over. Anyway. Had the M12 bored to +.20 and put back together. Ordered a #103991 switch because the other one was for the K341. Fired up fine. I noticed the wire going to the regulator was very hot after just a few minutes. Upon further inspection the wire running from the battery side of the solenoid to the B terminal was melting. Put on a new wire and added a fuse. As soon as the key is turned on, it pops the fuse. Left the fuse out of the B wire and turned key to on and jumped across the solenoid and drove around for a bit. Everything cool and working as it should. Bad switch or have I got something wrong? Picture below. S to Solenoid Switch R to Regulator B to Hot side of solenoid G to Ground M to Magneto
