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Well, after tinkering on my last project (a 2003 Kawasaki Bayou 300) I ended up putting it on Craigslist and it sold within a day. Then about two weeks after that a 2005 Mule 610 with 40 hours on it popped up, for about 1/3 the cost I usually see them, so... I didn't have much of a choice.
The Mule's first issue was idle, it would die if you didn't keep a light toe on the accelerator. Turns out the idle screw had never been touched, five minutes after I got it off the trailer it idles just fine. 🤦♂️
As of today, it runs great on flat land. And it climbs like, well, a mule.
But it has one issue. Sometimes uphill it will suddenly lose power like the fuel isn't getting delivered. It never dies completely, it just sputters and won't go until you let off the gas pedal and let it recover. It tends to do it more with 2 passengers or some cargo and wide open throttle BUT occasionally will do it at only partial throttle and with just me on it.
I read a lot about how the fuel pumps on these Mule 610's suck, so I put in a new one today and a new fuel filter. It still had the same symptoms immediately after, so that was $40 wasted.
Any ideas? I keep seeing folks saying they replaced the pulse pump with an electric fuel pump. This thread said so, and it gets brought up in this thread and also here. In each case somebody says "12v fuel pump solved my problem!" and then they promptly disappear from ever posting again, lol.
I have some questions for y'all:
1. Do you think fuel delivery is the problem? I have a hunch that it is, given the hill + throttle symptoms.
2. The pulse pump on the Mule is located ABOVE the gas tank. Can an electric fuel pump pull fuel UP in this manner?
3. What would I do with the spare line that goes from the fuel pump to the crankcase? Every electrical pump is just in & out, they don't have that third line...
4. Any idea what kind of flow rate I would need or which pump works for this application?
Someone rolled the ATV away from my apartment and I haven’t seen it since. It had a blue subframe. SS rims and a mossy oak camo vinyl wrap. No telling what it’s like now.
The post Honda TRX450R 2005 Stolen appeared first on STOLEN 911.
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Only have about 60 hours. Sometimes and most often when I just accelerate I'm hearing a metallic clunking noise that seems to coming below the gas pedal or towards the lower front section of the UTV. It does not sound horrible but it really does not sound good. It only lasts for about 1 or 2 seconds. Could anyone please give me any ideas what might be happening? Thank you.
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