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recently picked up some project bikes off CL for cheap. got a honda fourtrax (the ancient 4x4 kind with the straight axle in the front as well as the rear and a back-up kick-start) plastics are crap, but my goal is to get running like a champ and patch the plastics up and sell to one of my many friends that want a reliable 4x4 for dirt cheap and doesnt care what it looks like.
so the former owner says it needs carb rebuilt, but its sat for 3+ years since so who knows. things I see: carb is missing (he gave me a box of parts along with the bike), engine turns over and feels good with kick-start, brakes need work, battery missing (That always puts me off, cause then I know most likely someone's been tampering with the electrical.
By ray desocio
I posted earlier looking for a wiring diagram, but maybe someone can help me with the problem if they’ve had it before.
The quad Will start and idle ok, when I open the throttle it will rev all the way up until WOT and then it dies back down to idle, and if I keep the throttle wide open it will rev back up. It will do this over and over and over.
I replaced the carb, (twice), Rectifier, battery, and spark plug. The Stator ohmed out to the proper specs from dinli. The other issue i can see is I’m not getting 12v on the choke circuit. The lights don’t work either.
possible bad key switch? Maybe the new rectifier is bad? All the contacts on the key switch also ohm out properly
comprsssion is up to 125 psi and spark is there.
Reed valves look great.....
im at a loss. Any trouble shooting advice would be appreciated.
Yamaha Australia has announced it will discontinue selling Utility ATVs due to new Australian government legislation that requires the mandatory fitment of so-called Operator Protective Devices (OPDs), YMA will not sell utility ATVs after the government compliance deadline of 11 October 2021.
“The decision to make the fitment of OPDs compulsory is disappointing. The ruling has forced us to withdraw utility ATVs from the Australian market because as a manufacturer we are not willing to gamble with our customers lives by bolting untested devices onto our specifically engineered and designed ATVs,” explains YMA Director Brad Ryan.
As the market leader in this segment, Yamaha recognises that utility ATVs are an important part of farm operations and will comply with stage one of the new consumer legislation. This includes testing and the fitment of warning labels by Oct 2020. This will ensure that Yamaha ATVs remain available until October 2021.
After this date customers will not be able to purchase a new Yamaha utility ATV in Australia – but sport and youth models will continue to be available. This is because new sport and fun ATVs do not need to be fitted with OPDs. In addition, side-by-side vehicles (SSVs) are not affected by this ruling, so YMA will support our utility ATV dealers and ease the transition from ATV to AG bike and SSV business.
“Fortunately, our utility ATV customers can transition to our equally capable lineup of AG bikes and expanding SSV range,” adds YMA Director Brad Ryan.
Customer safety has always been our priority. YMA has provided market leading rider training and promoted proven safety methods. YMA also helped develop the Shark ATV helmet which is the only fully certified farm safe ATV helmet available. YMA feels so strongly about customer safety that purchasers of new Yamaha utility vehicles will receive a free Shark farm safe helmet valued at $250 while stocks last.
YMA is also fully committed to customer care via a national dealer network that will continue to service ATVs and with the supply of parts and accessories into the future.
I have a 2001 suzuki quadmaster 500 4x4 that has a rev limiter when it is in any gear other than neutral, i have already fixed a bunch of stuff on it and would love to just bypass it if anyone knows how. Thanks for any help.
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