2005 King Quad 700 no start / racing idle
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By Pure_Michigan
Hello everyone. This is a Go Cart and not a typical "ATV" but it has an engine so I'm hoping someone can help me. It's a Helix FTX with a Manco 150cc engine. The engine will start and idle for awhile, but will not take even a small touch of throttle. Stalls. It seems to take throttle and rev up when you first start it cold, but in just a minute, it will not take any throttle. I've replaced the Fuel valve/Pump on the fuel tank with no joy. It's a nice little cart, but without a workable engine, it's a boat anchor. I'm not dumb when it comes to small engines, but this one has me stumped. I'm running out of options.
I'll mention that while it is idling, it will sort of "cough" every 6 or 8 seconds and then recover and idle again. Eventually one of those "coughs" causes it to stall. It will start back up pretty easily, but as I said, it absolutely will not take any throttle and then it will cough and stall a minute later. I thought it could be timing, but there is no "adjustment" for timing on this engine. I downloaded the user manual and it mentions nothing about timing and is pretty much useless as a service guide. It just shows the basics. I'm attaching the manual so you can get an idea of the machine I'm dealing with.
Any input would be greatly appreciated.
Kind regards,
Don
Manco-Helix-6150-150cc-Owners-Manual.pdf
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By DonB
Had fire start in muffler due to failing fuel pump &/or fuel pressure regulator. Must I spend the $750+ for a new assembly from Arctic Cat?!? Here's what I've tried so far.
Replaced fuel pump & regulator - both from Quantum. PSI is 60 rather than the 42 the dealer advises it should be, so problem persists. I've now twice replaced the Quantum regulator & discussed w/ Quantum. They advise that they don't have an alternative regulator that would bring PSI down to 42. I've tried several in-line, adjustable pressure regulators but they either didn't work or I couldn't get a constant pressure from them. FYI, I've only tried the adjustable regulators for Fuel Injected engines however, it seems that they require vacuum to function properly. When I can temporarily get the PSI right, everything works great. Anyone else ever dealt with this problem, and, if so how did you fix it? Perhaps I should adapt the fuel system to include a gas tank return line?
Any insights are greatly appreciated, Don
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By Patrik1543
Good day, I have an atv 150 raptor with a bemi engine from 2002, at least that's what the label says, the problem is that it doesn't have electricity, I bought it completely new and nothing works except the starter relay, so I'd like to make it my own and with my own hands, I just need you to help us get a diagram because I can't find anything on the internet that would answer my idea, the quad bike has a 4-pin cdi and a 4-pole rectifier and a digital tachometer.
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By Gwbarm
I have been exploring all the options available, so many, its hard to choose. I have kind of narrowed it down to the Honda Pilot, Subaru Outback, and Kind of looking at the Outlander, although its a little small, the new one is nice looking. Just wondering if anyone has any recommendations or gripes with any of these rides. I have driven Jeeps for the past 25 years and they have been great, but their price point has gotten to high. Expieriences good or bad would be helpful. Thanks!
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By ATVNetwork
Budds Creek has been steadily developing a healthy following when it comes to the ATV Motocross series. Since returning to the series schedule, the accolades that seem to flow out of this venue continue to be positive and the vibe lived up to its feel again here in the 2024 season. View the full article
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