You will also have a reliability issue as you will foul spak plugs. I twist the throttle 50% and let go and the bike maintains the RPM for a brief moment and gradually works back down to idle. What is your mixture? carburator (Old one was leaking and bike was running rich. carburator (Old one was leaking and bike was running rich. Fast forward to this winter. So I recently traded my V off for a KLX250 private party. As dirt bikes are commonly used in dusty or muddy conditions, the air filter can very easily become blocked and clogged. Don't mess with the needle or clip or the pilot screw and plug at this time. Thank you. So my girl friends dad just gave me a yamaha pw 80. ... You want a nice even brown color if you can, white, you are running lean, dark, you are rich etc.. You'll do fine.. Just chime in if you have questions and someone here will help you out. The most common reasons why your dirt bike has a fouled spark plug are because a dirty air filter, improper pre-mix ratio, carb jetting is too rich, the engine has low compression, or a weak spark. Reactions: 1stversys. But remember it is trial and error, sometimes youll need to pull the carb multiple times to get it dialed correctly. No Air = No Combustion. Remove the pilot jet and air jet but count the number of turns to remove each one and put them back the same number of turns. I'm researching all the different forums and material out there pertaining to carb rework and I'm sure I'll be able to figure it out. Clean the carb thoroughly. I have adjusted the float and cleaned all jets in the carb repeatedly. Wait a minute. Clean the filter by removing it from the case and blowing air through it. 2004 YAMAHA PW80, Great first bike to learn on, this is a really nice PW80 with a 3-speed transmission automatic clutch. This bike has been one of the most popular first bikes because of its size, power, durability, and ease of shifting. > Lean means to much air (too hot), rich means to much fuel not enuf air > (too cold, such does the choke on a bike). New chinese carb was cheaper than rebuild kit for original) throttle wire (There was loose end for oil pump, which is removed. Our website is fastest way for us to process orders, resulting in you receiving your order sooner. Remove and clean the Nozzle, choke and main jet. You got them going with your requested maintenance and work, but then you only screwed yourself due to a lack of knowledge and patience, not to mention piss off your good dealer with your whining. Hi everyone. time to get a lawyer and go to small claims court. Any ideas you might have will be helpful. Continue with Google. I bought the bike this summer, 2002 Meanstreak 1500. That carb is as simple as a hammer. 3) Spark plug: Always rejet with a fresh plug, the old plug will have color from how the engine ranbefore the rejetting process. Come join the discussion about performance, touring, modifications, classifieds, troubleshooting, adjustments, reviews, maintenance, and more! Revving the engine in neutral will result in hanging RPM’s, or RPM’s will slowly drop back to idle RPM. This is generally the single biggest step in keeping a PW80 tuned. Ignition Coil - Primary 0.32 ohms ( Spec 0.32-0.48); Secondary 11.9kohms (Spec 5.7-8.2); Stator coil 165 ohms (Spec 200-300). Any ideas? If the plug is black, you’re running too rich. Back in January I pick up a 2007 Yamaha pw80 for $600 that need some TLC. Save Share. Bike was running ok but I still ended up changing also these. or sign up with email About this Discussion. Off idle hesitation or bog. Also my bike runs worse! My Profile My Preferences My Mates. If your fuel screwis out further than 3 turns, you need a richer pilot. I'll keep everyone posted on what I do and how the whole carb process works itself out. Join the discussion. Check the plug, if as above (black and sooty) do the following standard PW80 Make sure you've got the spacer out of the exhaust-just a … This manual should stay with this vehicle if it is sold. Can't do any more harm than they already have. Was seized when I got it, just a bit of carbon nothing major no damage done to piston or sleeve. If your air screwis in further than 1 turn, you need a richer pilot. Bike has Thunder Mfg Intake, V&H Straight Shots, Older Power Commander. If the dealer doesn't make good on their screw-up call Corporate ......Kawasaki Motors Corporation USA. Checking of the electrical components reveals: Spark plug - OK ( tested on another bike) CDI - not checked (how to?) A bike that runs fins in the mornings dry air may run rich as the day goes on and the humidity increases. make Subtle changes, nothing too big. Still, first things first: the actual rejet. 1 - 7 of 7 Posts. Thanks Ron. If it is the stock pipe, you can take it off and carefully hit … With this huge amount of additional air, even an "over-rich" air leaking engine will experience a critical lean condition after only a few moments of full load operation. It has a new Wiseco piston, new jug and head gaskets, carbs cleaned, air filter IN place, no mods to airfilter box or exhaust, new sparkplug (correct gap) etc. Another factor is how the air flows past the valves. A forum community dedicated to Kawasaki Versys motorcycle owners and enthusiasts. my pw 1991 runs very rich ,smokes a lot and chokes up ,tried mixture screw to no avail is it the pump or something else has anyone got ideas please help if it is the pump how can i adjust it :) :) PW80's come horribly rich from the dealer, at 4500 ft fuel practically pours out the pipe. You paid for them to take the bike apart, but they had no jet kit, then paid for them to put the bike back together and it runs like crap now and you wonder if you are overreacting? 6 … I find that a petrol bomb usually gives satisfaction when dealing with incompetent tw*ts!!!!! Continue with Facebook. Yamaha PW80 Not Running Right. Can't seem to find an Idle when I do get a good idle as when I do get a good Idol as soon as I touch the throttle it revs out of control until I release the idle needle about 2 turns out then can't keep it running without blipping the throttle and as soon as I put it into gear it has absolutely no power will not move bogs and then dies out. Plan was that he would learn to … Replaced with a single wire) steering bearings; front fork oil seals & oils; brake shoes; foot pegs; grips; bar pad I want to learn how to do everything myself and I figured jetting the carb could be tedious work. How much HP does a PW80 have? A YZ 80 does not have "valves" like a 4 stroke. Check the exhaust muffler to see if it is open 100%. I was too young whenever my dad worked on the honda 80 and yamaha pw80 so I never retained what he was teaching me. ... As for oil, hmm it's either gear oil or its running very rich and maybe leaking from the header pipe. And when you're "reading" plugs, you run it at a constant rpm and throttle, pull in the clutch and KILL the engine, come to a stop, then remove and READ your plug. Rich will use excessive fuel, cause carbon buildup in the combustion chamber, exhaust ports and exhaust system. You can pay for orders using your choice of either a Credit, Debit or PayPal account. First, turn in the mixture screw until the engine dies or runs worse, then back out the screw (recommend turning ¼ to ½ turn at a time). The Yamaha PW80 has 41.97 HP (31.3 KW) at 5500RPM. http://www.kawasakiversys.com/forums/showthread.php?t=16023, http://www.kawasakiversys.com/forums/showthread.php?t=16940, http://www.kawasakiversys.com/forums/showthread.php?t=17024, http://www.kawasakiversys.com/forums/showthread.php?t=17971, http://www.kawasakiversys.com/forums/showthread.php?t=21185, http://www.kawasakiversys.com/forums/showthread.php?t=20371, http://www.kawasakiversys.com/forum...first-ride-2015-search-warmth.html#post768018, https://www.kawasakiversys.com/foru...go-north-rush-meeting-jdrocks-d2d-2013-a.html, https://www.kawasakiversys.com/foru...bunny-keeps-going-going-north-d2d-2015-a.html, https://www.kawasakiversys.com/foru...away-dust-2-dawson-2016-other-adventures.html, https://www.kawasakiversys.com/forums/showthread.php?t=20013, http://www.youtube.com/user/weljo2001?feature=mhee, http://www.kawasakiforums.com/forum/klx-250s-71/fuel-screw-11268/, http://www.thumpertalk.com/topic/789366-kawasaki-2009-klx-stock-and-dynojet/, https://www.jcmotors.com/dynojet-stage-1-2-jet-kit-for-kawasaki-klx-250-s-09-10-15337-p, http://www.dynojet.com/graphs/Kawasaki/2182_2009KLX250SFGraph.jpg, Kawasaki 2009 KLX stock and Dynojet - KLX/KLR 125/140/250/300 - ThumperTalk, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Some other details related to the choke: When it's running and you rev it with choke disengaged, it slowly comes back down to a nice low idle. The smart money is on that being your problem. A bike that runs good at sea level will run rich at 10,000 ft due to the thinner air. That's another thing, bike no longer idles without dying. Your main problem is easily addressed by removing brass access plug on bottom of carb to add fuel to your pilot circuit by opening adjustment screw. Posted by toallhisdoom on Jul 11, 2011. As humidity increases, jetting will be richer. I mix the gas a little just to make sure it was getting enough oil it ran good but smoked really bad and bogged for about 10 minutes then died right out would not start pulled everything apart again cleaned it put it back together and disconnected disconnected oil injection and running 32:1 this is the problem I'm getting. Not sure what year, the serial number is 21W-006227. I bought this Yamaha PW80 for my son last fall. It sounds like the mixture is too rich. First thing to do if your spark plug has been fouled is to check the air filter. JavaScript is disabled. What oil are you running in the gas? The higher you go ... running different up to the last few drops from the tank when the bike is starving for fuel. It’s time for a rejet! Get some carb cleaner. I am going to do all further servicing myself. What you have described tells me it may be running rich or you may have a restricted exhaust. It has torque readings of 4.43 ft/lbs (6.0 Nm) at 5000RPM Would make a great present for the holidays as well. Page 4 Read this manual carefully before operating this vehicle. Was seized when I got it, just a bit of carbon nothing major no damage done to piston or sleeve. MVCronk: Want Answer 0. I was too young whenever my dad worked on the honda 80 and yamaha pw80 so I never retained what he was teaching me. These will make a huge difference. But if you half-choke it when you let go of the throttle and the revs are still elevated, the revs drop quickly but it doesn't turn of the engine. Back out ½ turn more, or until the screw does nothing or runs worse then turn back to the point where it ran its best. - Rich 2006 1600 Ultra-Classic Patriot Guard Rider Please put your bike year/model in your sig line or fill in your profile before asking for help. Decided I would bring the KLX to the dealership I bought the V from for a oil change and have them rejet the carb. My 2007 Yamaha PW80 will not kick start. A weak spark will make the engine run rich. Now, the actual replacement of the jets isn’t brain surgery. Hey Fellas, Well, the PW80 that I revived is running but it idles high and I cannot seem to get it to come down. Start by noting its position and how much of a turn is needed to close it (carefully to avoid damaging screw or seat). PW80 chinese copy- fuel leaking. I am going to talk to the dealer about a partial refund. Reply. You dealer did nothing wrong, and you got off very easy at only $150 for removing, dismantling, cleaning, reassembling and reinstalling carburator, beside the oil and filter change including oil and filter! Clean the air intake filter following every ride. All was installed before I bought the bike and has worked great. Step 1. Once the pipe gets full of spooge, then it will drip alot of nasties. Leaner or richer at higher altitude? So what year is it? New chinese carb was cheaper than rebuild kit for original) throttle wire (There was loose end for oil pump, which is removed. If the mass air flow sensor or oxygen sensors are not accurately reporting the air that’s coming into the engine or the oxygen content in the exhaust stream, it could cause a rich-running condition that can cause carbon to foul the spark plugs. Two 1993 Yamaha PW 80's for sale. We have layaway options available. Remove pipe at carb and turn on tap. Humidity is how much moister is in the air. This accounts for engines that run trouble free for years at moderate speeds with a low skill level rider, yet seize in the first few minutes of being run wide open by an expert rider. If flow is slow or eratic, then rinse out tank,check gauze filter attached to tap on the inside of tank, … ... a creek running through the middle (in winter), so the ability to easily Jetting is a science, but it is not Rocket science..I have been jetting bikes since I was a teenager.. Once you find out how the individual jets affect a certain area of throttle,it gets pretty simple. I got a pw80, and i want more power out of it as i like to do jumps on it, ive taken the restricter out of the exhaust but i need more power, its got three gears and fairplay it does hit a good speed at 3rd, so if anyone could give me any advice on improving the … However, you may find that tuning your carburetor afterward can be a bit of an annoyance. If the engine is stock any changes in jetting will hurt performance, not help it. Also it has little power but will go in 1st, as soon as you shift into 2nd it has no power. The was nothing wrong with the bike except for a dirty carb. The one pictured with the FMF flame seat cover runs and rides great. Rode all summer every day and it ran great, no problems. I have adjusted the idle speed to make it not die and it's at 3000 rpm. For a better experience, please enable JavaScript in your browser before proceeding. Yamaha PW 80 has no power. Find a youtube video and clean it yourself. especially one for two PW80's for $725 - one near perfect & one with idle issues (Ad text below). This will eventually restrict the exhaust and decrease performance. We have a variety of floats listed under the carb exploded drawings or via float list, the float may be listed in one or both places. Fuel should flow freely and continuously.Run fuel for a while collecting it in a jug and check that it's running freely. In the mean time the bikes on the stand in the garage.. The engine should pick up speed and begin to smooth out. PWOnly.com features an in-site ordering catalog, managed with our safe and secure online shopping cart. PW80 Parts - Engine, Frame & Other Parts. ... 01 PW80 01 Lakota Remove "spam" from reply-to.
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