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By Elijah Stone
Hi all new to the forum I have a Yamaha Moto 4 champ (100cc?) (YFM100) so I've been trying to get this thing to start for awhile honestly I'm running out of ideas so I'll start with the things Ive replaced and done first it was not trying at all and then I put a brand new battery then the terminals broke so I bought some nice copper ones fixed that up so now battery is got good voltage and all that I have checked all the plugs cleaned everything off so anyway it still wasn't trying but I couldn't get the crank case off and I didn't think using fire was a good idea lol so I busted the crank case off on the left side(if you are sitting on it) wierdly enough the flywheel started spinning I thought it was odd but went with it then I replaced the spark plug still wasn't getting spark so I replaced the ignition coil then it was getting spark next the carburetor was really gross I cleaned it out still wasn't working so I in turn decided just to replace it with a new one so I did (PS I never figured out how the fuel lines hook up if someone wants to help with that to lol) also for good measure put a new air filter so then I pressing the button Everytime I replace something and nothing so then I think what if it's the stator so I have no idea what a good or bad stator looks like but me being to rough I broke the wires on the thing but still no changes the fly wheel spins gets compression (I think) getting spark from spark plug idk other tidbits that might be useful I don't have a clutch line so idk if that has something to do with it I do have the break zip tied in to bypass the safety feature also the throttle cable is in fact broken and I'm working on buying a new petcock for my gas tank because my current one is broke I have very limited money this is supposed to be a project before I go to school for welding and automotive tech so I don't have any money to get a mechanic lol but I'm pretty confident in my ability to do anything u suggest any suggestions are welcome I'll edit and submit pics
Feds to open Utah’s national parks to ATVs; advocates fear damage, noise they may bring
The roar of ATVs could be coming to a Utah national park backcountry road near you under a major policy shift initiated by the National Park Service without public input.
Across the country, off-road vehicles like ATVs and UTVs are generally barred from national parks. For Utah’s famed parks, however, that all changes starting Nov. 1, when these vehicles may be allowed on both main access roads and back roads like Canyonlands National Park’s White Rim and Arches’ entry points from Salt Valley and Willow Springs.
The move was ordered Tuesday by the the National Park Service’s acting regional director, Palmer “Chip” Jenkins, who directed a memo to Utah park superintendents instructing them to align their regulations with Utah law, which allows off-road vehicles to travel state and county roads as long as they are equipped with standard safety equipment and are registered and insured.
“This alignment with state law isn’t carte blanche to take their ATVs off road,” said agency spokeswoman Vanessa Lacayo. “If people [drive] off road, they will be cited. Protection of these resources is paramount.”
Under the rule change, off-highway vehicles could roam Canyonlands’ Maze District and Arches’ Klondike Buffs — as long as they remain on designated routes. In general, ATVs would be allowed to travel roads that are open to trucks and cars.
The directive, which applies only to Utah parks, triggered an immediate backlash from conservation groups, which predicted the move will result in a “management nightmare” for parks already struggling with traffic jams and parking clutter.
Now the park service is inviting a whole new category of vehicle onto park roads, establishing new uses that will disrupt wildlife and other visitors’ enjoyment, warned Kristen Brengel, the National Parks Conservation Association’s vice president of government affairs.
“These are national parks that have incredible resources, cultural resources, natural resources, and so by allowing these vehicles that are tailored to go anywhere, you’re potentially putting these resources at risk,” Brengel said. “The park service should be going through a public process, doing an analysis and making sure they can adequately protect the park and its resources and visitors. They haven’t done that.”
Brengel said her group is conferring with its attorneys to consider its options to block the rule change.
Setting the stage for this change in policy was SB181 enacted by Utah lawmakers in 2008, authorizing any “street-legal” vehicle on all state and county roads. For the past 11 years, the National Park Service has pushed back, closing park roads to these recreational vehicles under the rationale that it is too easy to drive them illegally off the roads.
“The addition of off-road vehicle traffic on park roads will inevitably result in injury and damage to park resources. These specialized vehicles are designed, produced and marketed for the purpose of off-road travel, and they are uniquely capable of easily leaving the road and traveling cross country,” states a 2008 park service memo explaining why Arches and Canyonlands should remain off-limits to ATVs. “No reasonable level of law enforcement presence would be sufficient to prevent ATV and OHV use off roads. Park rangers will have no ability to pursue and apprehend vehicle users off road without adding to the damage they cause to park resources.”
When Utah enacted SB181, all-terrain vehicles, which ride like a four-wheeled motorcycle, were the most used off-road vehicle. UTVs, or so-called utility terrain vehicles, equipped with side-by-side bucket seats, steering wheels, robust suspension and roll cages, have since eclipsed ATVs in popularity, as well as their ability to create impacts. They can be operated at higher speeds and can be so loud that occupants wear ear protection.
Jenkins, who served most recently as the superintendent of Mount Rainier National Park, issued the directive after off-highway groups and Utah lawmakers led by Rep. Phil Lyman, R-Blanding, pressured the Interior Department to lift the prohibition.
In a Sept. 2 letter to Interior Secretary David Bernhardt, Lyman wrote that he is "offended" that the park service discriminates against off-highway vehicle owners, noting than nearly all of Utah's national parks are accessed from state and county roads.
“The owners of street-legal OHVs comply with numerous laws and regulations to be given the privilege to drive on a wide range of state and county roads,” he wrote in the letter, signed by 13 other Utah lawmakers. “They also contribute to the maintenance of the state highway system through gasoline taxes and registration fees.”
Lyman is the former San Juan County commissioner who became a political celebrity after organizing an off-road vehicle protest ride though Recapture Canyon, which resulted in misdemeanor convictions, 10 days in jail and a reputation as a public lands warrior.
Adding pressure were UTV Utah and Utah OHV Advocates. According to the groups, Utah is home to 202,000 registered OHVs, or off-highway vehicles, the broad category that includes UTVs and ATVs.
“Despite being one of the largest groups of public land users, and even though the economic benefit of our community dwarfs most other recreational users combined, we often find ourselves discriminated against by decision-makers that head public land agencies,” the groups’ presidents, Bud Bruening and Brett Stewart, wrote in a joint July 29 letter to Bernhardt. “In Utah, this discrimination is particularly acute when it comes to the National Park Service.”
Many southern Utah county commissioners had lobbied for this change in the hopes of widening riders’ options for roaming Utah’s public lands. Counties maintain many of these back roads, according to Newell Harward, a Wayne County commissioner who welcomed the rule change.
“We are happy with it,” said Harward, whose county includes Capitol Reef National Park and Glen Canyon National Recreation Area. “It will increase some tourism issues with folks who want to use some of these roads with street-legal UTVs. I don’t know the difference between those and small Jeeps [which had always been allowed]. I’m hoping people will pay attention to the laws and stay on roads. If they don’t, then this is going to get backed up.”
Glen Canyon had already loosed its rules a few years ago, when it developed a new travel plan allowing ATVs on roads around Circle Cliffs. But that was only after a public process, an environmental review and a final decision that has yet to be formally implemented, according to Neal Clark, staff attorney with the Southern Utah Wilderness Alliance.
“UTVs are built for one reason, which is off-road use. That is the purpose for the existence of these machines,” Clark said. “They’re loud and obnoxious and because of that they’re completely contrary to the reasons that people travel from across the globe and across the country to visit national parks.”
Article Source: https://www.sltrib.com/news/environment/2019/09/28/feds-open-utahs-national/
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So my latest find is a Moto 4 250. Looked in good shape, started right up but would backfire and die upon acceleration but you
could get it to go if you were good with the throttle. I figured it was the carb. was a brand new Chinese carb, he didn't have original.
I took it apart and cleaned it, only thing I found was some debris in main jet and the main adjustment on bottom was at 41 turns. Cleaned
it out and set at 2 turns, re installed. Starts up, runs better actually drove it but seems really sluggish, once I hit 3rd gear could barely pull
it. Rechecked everything, even ordered a new carb as I had this problem with another atv but still same problem. Now I pull it apart and
decided to check compression, I show only 85 psi. I checked valve adjustment (after aligning up cam gear to mark on case). to make sure not too tight still right at 85 psi.
I assume I need to pull the head and look at the valves, Any ideas I am missing something? motor does not smoke but is super sluggish.
The specs I find are off the downloaded manual of a 94 but figure should be the same. It states compression standard is 128 and Minimum is 114 and Max is 142
Any other Ideas before I tear it down? Thanks in advance Az
By Sharon van den Berg
We bought an old atv from friends to bum around on the farm with. VIN number is rusted off. Is there a way to determine the year model from the engine number? We only need the info to buy parts. Please help
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I know this tooic has been addressed by many, I’ve looked through many forums and pages. I did not find anything like the problem i have.
I have a 2007 Kingquad 450. I have a new fully charged battery. When i turn the key, the dash flashes and seems to struggle before getting fully lite. We can hear a small relay near the computer clicking, i think it is the fuel pump relay. When i turn off the engine kill switch and press the starting button relays click and all the power shuts off, i turn the key off, engine kill switch then start over, power is there. Atv will start with pull start, but not elextricly. if i try to use my winch, all power cuts and engine dies.
Can anyone tell me what it may be? or has anyone fsced an issue like this before?
I have a 2018 Kodiak 450 EPS that just this past Sunday I ran through a bit of water.
After the puddle the belt was slipping, so I pulled over and drained the ultramatic housing and the slipping problem went away. This was all in L and everything seemed to work fine. Later when I got on a road, I put it in H, but it still rode like it was in low... i.e. I had to rev it up a lot just to get to 30mph.
When at home I pulled the ultramatic cover off to inspect, and it looked okay in there. Not much dirt, belt and everything are clean, but when I rev up the engine (with cage in place, of course), the belt doesn't get to the top of the clutch (maxes out about an inch or 1.5" from top of clutch, so maybe it is normal).. I put it back together but same thing... H seems like L still.
Do you think the clutch needs to be further dissected for cleaning, or could this be an issue with the gear selector?
By Steven Alter
I have a 2018 450 and the digital gause has started flashing on an off while driving. The backlit also goes on and off. It is worse when I hit the gas. The battery died a few weeks ago and I jumped it but its been fine until last night. Called the dealer and showed them a vid and they recommend replacing the gauge and its like 600 bucks. The machine has less than 100 hours on it. I would really hate to have to change it out. also the unit sometimes has trouble starting. Any ideas?
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