Question about 2003 ATK 600 Dirt Track Motard
I just bought a 2001 dirt truck for 500$. Pretty good deal I think. It's super clean and came with a bunch of extras. Factory black plastics. Problem is it doesn't run all the time. I don't know much about these bikes but what I am learning here and through atkusa. At first it would run great
Then just fall on it's face like the ECU lost power. Then it would fire right back up again. I checked the ECU power relay and it was ok. I checked the grounds. OK. I checked the O2 sensor wires. They were ok at the factory sealed ends. I found the fuel pressure regulator hose cut and capped off. I replaced it. Now it runs without dying like before but it has new trouble. It won't run at full throttle for long. Like it is losing fuel pressure. I checked the return line and it is gushing. Plenty of pressure it seems. Lines are ok and O-rings in quick connects are ok. Filter and pick up are clean. It seems that as soon as I hooked it up to the ECU it did this. Bad fuel pressure regulator perhaps? I know one of you Dale guru's must have some suggestions. I am a mechanic by trade and I need some assistance here. Just a suggestion, I have had trouble with intermittent shut offs before, and I found the wire lugs on the fuel pump loose, arching, and draining my battery.... Make sure there are star washers under all electrical lugs…,I just need space for a huge pod filter. I may look into side mounted radiators behind the fairings, a-la Honda VTR1000....,,
Posted on Nov 10, 2008
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Posted on Jan 02, 2017
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