FYI on fuel Pump. - Kawasaki KFX450 Forum :: KFX450HQ.com
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post #1 of 3 (permalink) Old 02-19-2010, 10:51 PM Thread Starter
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FYI on fuel Pump.

If some of you recall I asked about a fuel pump awhile back that it was acting up and kept popping fuses. Well I called the local dealer today and spoke to there tech who races kfx 450, and he told me its the fuel pump relay that he has seen this problem come in a few times I ordered a new one so I'll let everyone know if that is the problem just in case anyone runs into this again you'll know where to start looking. He also told me that the original relays from Kawasaki are poorly designed and they changed the part numbers and made new ones to correct the problem.
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post #2 of 3 (permalink) Old 02-19-2010, 11:31 PM
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i have a spare relay on hand can you post your part # so i can see if i have the old one or not? thanks.

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post #3 of 3 (permalink) Old 02-20-2010, 06:21 PM
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No kidding... thanks for the info...

Please see if you can get the guy to elaborate on the actual problem inside the relay.

I have had no fuse problems at all, but do hear it prime funny sometimes... and do have other problems.

That relay is directly hot wired on one of the 4 prongs.
And then has direct connection to the frame ground on another prong.
When you turn on the key and the thumb switch, switch power comes to the third prong.
This closes the relay and connects the fuel pump directly to the hot wire power fused with the 10 amp fuse.


If that is f'N up... it's a big deal because of the direct power and ground connections.
Would be good for me to know more before tuesday.

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