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By M C
A friend of mine has this particular 4 wheeler. It sat in the garage for about a year, so I redid the carb, cleaned the tank and installed a new petcock. So far, it cranks right away whether its button started or pull started. So I have a couple of questions concerning the carb and air filter.
1. Is this a cvk32 250 or 350 carb? As the air fuel ratio adjustment is different according to a cvk document I read. What's your adjustment setting? 2 whole turns and a 1/8 or 2 whole turns and a 1/2? Comparing the old setting on the carb to the new setting (and where the needle sits now), makes me think it was way off before.
2. The Air filter cover, gasket, air filter and plate element are all missing. So I was thinking of removing the hose that goes to the air box and put one of those K&N style looking filters and be done with it. So my question is.. will I have to readjust Air Fuel screw or just adjust Idle?
It's just going to be driven around the neighborhood.
Thanks in advance for any info or help. Y'all stay safe out there!
I purchased a quad with engine problems. The previous owner had pulled the motor and pulled the valve cover but decided to stop. I have done Arctic Cat top ends before but have never worked on the bottom end so any advise would be appreciated. What I have found so far is the connecting rod bearing is completely gone and some scoring on the jug walls. What i'm wondering is if anybody here has worked on these and if so did you replace all the bearings or just the ones that were for sure bad? Also is the 2006 Suzuki King Quad 700 motor exactly the same? It seems Suzuki parts are a lot cheaper to buy.
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.
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By Justice Owens
Hey guys, any ideas would be greatly appreciated on this.
So it started a few months ago, riding with some buddies and my 400ex all of a sudden lost power. Wouldn't fire, wouldn't sputter. Towed it home, and then it fired right up. It continued this pattern for a week or two, ran perfectly for varying amounts of time, suddenly died, and would start right back up if I waited 20 mins or so.
Now we get to the next phase... I was dinking with it one day, I think I pulled the carb off and cleaned it out, (not really dirty but just to be sure) and I was trying different fuel screw adjustments. At any rate, I didn't notice much change, except obviously running a little poorer when I had the fuel screw in the wrong place. I took it on a quick ride around the block, and it was just fine. Ran awesome, had lots of power, etc. Then went around the block again and it died on me this time right as I revved it. Ever since then I haven't been able to get it to start.
Now when I turn it over, it sputters, fires a touch, but won't start. Ever. I replaced the plug, CDI, and coil, with no change. I do know that it has spark, but I don't know for certain that its big enough. After replacing these with no change I popped the carb off and tried firing it up spraying some either right into the intake. Upon doing so, it revved right up, but obviously there was no carb so it didn't stay running for long. While spraying the ether it seemed to run just like other engines I've tried spraying ether into no popping or backfiring etc. When it fired right up on the ether, I figured I must have a carb issue, so I just bought a whole new carb instead of taking the old one apart for the 800th time. When I put it in, there was no change whatsoever. Still turns over and sputters, but won't fire up.
I am completely befused, and any input would be graciously accepted. If you read through all that your a trooper, so thanks very much :)
I was riding my 400ex one day and when i shut it off to put it in the garage i tried to start it put again to drive it into the garge and it wouldnt start.I put a compression tester on it and its like 30 psi with out throttle and 0 psi WITH THROTTLE.
when i put my finger over the hole it fell likes its pulling my finger in more then its pushing it out
Has good spark.When i took it into the shop the said it had 1oz of oil in it and a tiny pit of metal shaving(TINY BIT LIKE 30 flakes)
When i try to pull start (push start/roll start) it made a not normal sound and wouldnt stay running.
If my bottom end is blow why would it still turn over fine,
Are my valves siezed or not working properly
or is my timing off causeing valves to not open in correct order with fire
PLEASE HELP all help is appreciated
By Coral Breding
I loosened the allen bolts on the carrier and when I went to put my driver in the alot to pull back and tighten the chain, I noticed the holes were facing the front of the bike. I tried to slide a driver in and tighten the chain but the thing would not budge. I nearly ripped the tip off the driver in the slot. Any suggestions?
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