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Showing results for tags 'fuel'.
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I have a 1990 VR that has been sitting for eight years. After putting a new battery in, it started right up, but didn't idle. I drained the gas tank (the fuel in it was amber) and refilled with BP Premium spiked with 4 oz. Sea Foam. I've cleaned the carbs and checked the slides and diaphragms, and adjusted and cleaned til I'm blue in the face. The bike will idle and has decent throttle response until it gets hot. When it gets into mid temperature gauge territory, the idle begins to climb until it is at 4.5K and I can't stand it any more, where upon I shut it down. This scenario happens whether sitting in the garage on the center stand or while riding. Sooner or late the idle will climb to the 3-4.5K range and make stop lights rather embarrassing and shifting very ugly. I've been running Sea Foam through and have adjusted the pilot screws to 2.5-3 turns out (notably, turning the pilot screws in all the way or out all the way has NO effect with idle). I have synchronized the carbs (using mercury sticks) and they are very nearly perfect and never seem to change synchronization. I have tested the pressure sensor (vacuum sensor, boost sensor) and find voltages well within spec (2.18 when at atmosphere, .65 volts at .90kpa on a mityvac vacuum pump). Pulling vacuum on the pressure sensor causes an increase in rpm...sometimes. Idle must be over 1000 rpm for pressure sensor vacuum to effect it, apparently. I removed the pressure sensor and it's harness and connectors and cleaned them. I removed the TCI connectors and cleaned them. Some of the spade connectors were corroded, but not bad. Still, though an increase in vacuum always caused a voltage drop, this voltage drop did not always/usually result in an rpm climb ON A COLD TO WARM engine. I checked for vacuum leaks at all the usual suspects; the pressure sensor vacuum hose and restricter = AOK, the sync plugs = AOK, the carb to head boots = not AOK. Number 3 and 4 seemed to be leaking at the carb bases. I checked for leaks with carb cleaner spray. Regarding the leaks at #3 and #4 carb boots: I removed the clamps and ground off the tabs that seemingly prevent the clamps from tightening too tight (?), and reinstalled the clamps on the boots and re-tightened. Spraying with carb cleaner around the newly tightened boots did not result in idle change, IE, no leaks. Curiously (and significantly ?), pulling the sync plugs off the idling bike, one at a time, has little effect on the idle, EXCEPT for #2. Opening the sync port on that cylinder, slows the idle significantly. I have checked the float bowl fuel level and found all to be at 19mm below the reference line. I have monitored the fuel level on the running bike and it has remained very stable at this level. (I have rigged four fuel level gauging tubes attached to the carbs for testing). I realize that the fuel level is lower than spec, but that also indicates that an overfull fuel chamber is not causing the hot high idle, doesn't it? Or, could it be that the hot engine is running leaner and leaner and perhaps the lean condition is causing the high idle? I changed the spark plugs (NGK DPR8EA-9). The old plugs (NGK DPR8EA-9) looked new, including the rather white porcelain. Perhaps running a bit lean? (However, during the course of testing and fixing, I ran through a tank full of premium and got just 25 mpg. Granted there was a lot of stationary running, testing, full throttle "testing", etc. The mechanical parts of the throttle system are up to snuff: cables free and lubed, idle stop screw allowing for fully slow idle, carb butterflies all equally closed, and though I had a slide hanging initially, all slides/diaphragms are AOK. As the bike sat there idling nicely away at about 1000 rpm, I was beginning to feel like I had fixed this vexing problem of high hot idle, but NO!, soon the rpm began to climb; first quickly to 3000, but then soon was at 4500 and I couldn't take it anymore. About 10-15 minutes has elapsed. I pulled the pressure sensor vacuum line from #2 and immediately the rpm dropped to about 1500 rpm. I reattached the vacuum hose and it zoomed to 4500 again. I shut the bike down and had a beer. I have been chasing this for days and am discouraged. I am seeking some new insight from someone out there. I have reviewed all pertinent threads, especially the one from warthogcrewchief this year, where he had a similar problem, but his solution doesn't seem to fit my problem.
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Electronic Fuel Injection
Joe West posted a topic in Royal Star and Royal Star Tour Deluxe Tech Talk
Hi all. I own a 1996 Tour Classic with quite a few miles on it and I'm considering buying a new bike after the winter. I looked at the Yamaha website and was surprised to see the Venture still has carburators. Does anyone know if there will be a fuel injected model? I hope so cause the next option is gonna have to be the Kawasaki Voyager if not. -
Ok, we have Seafoam, Berrymans, and 44K...but how about Startron? I have a freind who swears by this stuff...says it has increased the mileage on his ElectraGlide from about 36 to about 39 mpg...a bit more power, and he's only adding a small amount out of a syringe to the fuel tank. One ounce treats 6 gallons of gas. http://mystarbrite.com/startron//content/view/35/47/lang,en/ http://mystarbrite.com/startron//images/stories/product/family/family-gas-200.jpg Anyone tried it yet?
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83 fuel petcock valve
DesertRider posted a topic in Venture and Venture Royale Tech Talk ('83 - '93)
I changed out my fuel filter this morning - hate lining up that set-screw that holds the clamp to the fuel tank. When I went to open the fuel valve back up, the little plastic square knob on the fuel shut-off valve shattered like glass. As a temporary measure to get the gas turned back on so I can use it, I'm going to try to jb-quick weld a make-shift knob onto the sheared off plastic that's fairly flush with the metal valve body. If that don't work, anybody got any other ideas ? Also - when I cut the gas off, the indicator in the knob was vertical for on. I think I turned it one/quarter turn to the left to turn it off. Before I put any turning pressure on a glued on know, I wanted to ask if anyone with a working petcock can check and make sure that as you face the valve from the right side of the bike, that the valve needs to go 1/4 turn to the right (if it was a screw that would be the tightening direction to turn it on). Anybody got a petcock valve for sale ? -
for those of you who use it you know those who don't shame on you . had a 81 honda cb 650 given to me had not been started in 3 yrs and was buried this year under the 24 inchs of snow we had and then all the snow from the st pieled on top of it .after cking all the wiring and for spark ( everything worked) cleaned gas tank carb floates where frozen fuel running every where . I filled fuel line going to carbs with the magic elixer let it sit over night and the next day filled tank with fuel and tried it . Started first try no float sticking . bike runs fine. now just clen up left. Seafoam does it again. Bill
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I'm working on a '86'vr that I bought as a parts bike. The dealer said that it would only run if they poured gas down the carbs. He didn't want to mess with it. Turns out the fuel pump relay had some thing rattling around inside it, cut it open and found little electrical stuff burned off. Question 1. Can I use the Class relay in place of fuel relay? It plugs right in and runs the fuel pump but, it looks way different than the correct relay. (I'm eliminating the Class system) Question 2. Is the diode in the starting circuit essential or can it be bypassed? When in neutral the start button wouldn't work I pull the clutch lever, button works. Tested diode D2 not working properly shows infin. on both poles D1 ok resister read 8.3 omhs. When I jump the D2 poles the start button works fine. Mike -
Ok folks this is my first "official post" and I am new to the VR so I hope my question isn't too far in left field. Keep in mind I am a child of the fuel injection generation so carbs are a balck art to me. I can tune the pants of a fuel injected vehicle, case in point my 500 HP Vette, but carbs befuddle me. So my question: Recently I put some holes ( about 8 x 3/8 inch) in the stock air box and noticed a little improvement. Last weekend I decided I needed a little more agressive sound so I cut-off the end of the muffler and removed the end baffle. The inner baffle is still intact and I love the new sound. So is it possible with some loss of restriction on the airbox and muffler side that I need to put bigger jets in the carbs? The bike is purring like a kitten when cruising down the road, no pops or back fires and much better acceleration but I also want it to last and really don't want to melt down valves or pistons due to an over lean condition. My first Touring bike and I love it. Thanks
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I have a 2006 RSV that has set for a while. When I turn on the key the fuel pump runs and pumps fuel out of some type of vent line behind the left cowling. It is not the tank vent as I have pulled that hose and checked. Anyone have any idea what it might be and how to cure the problem? Thanks. Frank :icon_smile_question
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I have a first gen 83xvz1200 if I pull off the fuel line at the carbs I can see fuel pumping out but thats it just by turning the key it happens. If I put a little gas in the carbs then start it it runs till the fuel i poured in burns off. If I pour gas in carbs and leave the fuel line off while the engine burns off the fuel I poured I don't see any fuel coming out the fuel line from the fuel pump. Have no idea what to do. Seems it's not getting fuel somehow!! Thanks, Chop
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I have an '09 Venture. Bought it 4 weeks ago with only 2500km on it and now have almost 4400km on it. I've been keeping track of mileage and it has been consistent. Question I have is how far can I go on a tank of gas ? What I'm finding is that : 1) low fuel light comes on about 255km (158.45 miles) - mix of city/highway driving (and I do like to take advantage of the revs on the engine !) 2) with fuel cock still "ON" I can go another 21km (12.8 miles) before the engine starts to sputter and stall 3) if I pull into a gas station immediately after switching to "RES" it only takes 16.433L (3.615 Imp gal, 4.341 US gal) to fill it up (fill so it just touches the bottom of the neck) From the specs on the bike, fuel tank capacity is 22.5L (4.95 Imp gal, 5.94 US gal) with a 3.5L (0.77 Imp gal, 0.92 US gal) reserve (I take it the fuel capacity includes the reserve). So... if the spec says 22.5L and I put 16.433L in to fill it up when I finally switch to reserve, does that mean that there really is a little over 6L of fuel still left ? I was on level ground and on the highway when the engine started sputtering and riding in a straight line. If the "Reserve" is 3.5L does that mean that 2.5L (15 % !!) in the main tank isn't available without sloshing the bike around to get it picked up? If that is the case, is 3.5L really available in the Reserve or is some not picked up as well? Working out the mileage.... I'm getting an average of 47.448 miles/Imp gal or 39.505 miles/US gal - 5.954L/100km Based on a 22.5L fuel capacity does that mean I can expect to go 378km (235 miles) if I run it totally dry ? I like the sounds of that on a touring bike ! (sorry for all the conversions but this is to a mixed measurement forum ! )
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Has anyone tried, or heard anyone using the Fuel Fragrance additives ? Do they work ?
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83 Venture, Cylinders #2 and #4 dead and cold to touch, even after ride. Verified good spark. Plugs come out very wet. Suspected very rich flooding cylinder preventing fire. Float fuel levels verified good. Sync perfect. MPG=25-28:(. 1/2 tank strong seafoam run thru. Carbs rebuilt by me but can't confirm I did not do something wrong. Installed skydoc17 needle shim mod. Today confirmed carbs #2 and #4 only, dumping too much fuel. At idle, placed tip of shop towel into throat against main fuel needle for just a second. Towel tip comes out wet in carbs #2 and #4 and dry in #1 and #3. Thought I could see fuel coming from jet and along needle, and confirmed with above towel method. Now I am 99.9% positive excessive fuel is preventing cylinder #2 and #4 to fire. Fuel float levels are correct, but during operation carbs dumps too much fuel out the main fuel jet, even during idle when main jet should be completely closed off. 1. What could cause this? 2. What to inspect? 3. How to repair? 4. How to pretest after repair on the bench? pics not very good but first Pic, tip of towel in throat second pic tip wet
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[attach]48985[/attach] [attach]48986[/attach] [attach]48987[/attach] [attach]48988[/attach] I swapped out the stock shield for the clearview..not sure if this caused this adverse condition or if it was always there. Anyway, I got tired of air blowing up beside the tank hitting me in the chest and helmet (alot of buffeting). I got the knee protectors from Buddy Rich and with the help of a heat gun and some 3m tape, I came up with these. After six months, I love them. They don't block all the air but they do block bout 75% of it, creating a much smoother ride, but still enough air to stay comfortable. They don't block any air to the engine compartment. To give you an example of what I'm talking bout, at 60 mph hold your hands palm down along side of fuel tank in front of your knees....RSV's may not experience this.
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I have a first gen and it won't stay running. If I put a few drops of gas in carbs and it will burn that off and wont stay running. I have ordered a fuel pump off ebay. It's like the fuel is getting cut off before it reaches the carbs. I pulled the fuel line off at the carb and turned the key and fuel is pumping but when it starts it quickly dies after the drops pf gas that i put in carbs burns off. uggg very fustrated
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I have an '83 venture that runs ok when fed gas by gravity. I have no clicking at fuel pump when moving run switch off and on. Just pulled the bike in so I have no history except the plate has a 1999 reg sticker on it. How would I check the pump function? and advice is welcome. (new here, not new to fixing bikes) Mikel
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10925.1 i"ll try to make this short as i can.i bought an 06 black cherry venture with 59760 miles on it and thought i checked it fairly well,no compression check,pull plugs etc but did test drive and seem to run well other than front brakes wernt to good and the clutch was not right and it would idle fast sometimes and seemed to be a little to cold nature.(hell i guess i didnt check it out to well after all!). after talking to the service department i did get them to replace the clutch,fix the front brakes and clean out the fuel tank,clean out the carbs and replace the fuel filterand syn the carbs,twice.heres what it done.had cruise set at 75 pulling a slight incline while low on fuel and it cut out on me.chalked it up to possably to low on fuel. filled it up ran good for two days and once againg pulling a slight incline with no cruise this time runnimg about 73 rolled off the throtle till about 62 and gave it some more throttle and it just about chocked out but i did get it to take fuel after i slowed down to 41 and like to got ran over. the dealer lokked at it againg did there deal rand good for three days and cut out on me again leaving drive way. i think its the choke some how closeing and smothering it,can someone help? thanks. i know other people have had the same problem but seems like i did some of the thing people suggested with no possative results.
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Last Friday I encountered, for the first time in the 112,000 miles that I have ridden this bike, fuel coming from one of the over flow tubes. Once I isolated the correct carburator, which was the right rear one, I pulled the hose off going to the fuel inlet port and blew compressed air into the bowl. It did blow some gas out of at least one of the top jets, but after I started the bike up, it fixed the problem. Since then, I have put almost 600 miles on it and it is running great. If you don't have compressed air, you could probably just spray some carb cleaner into the inlet port and do the same thing, especially if you can seal up the inlet tube and spray tube some. RandyA -
I recently bought a 1983 Venture 1200. I only get 25-28 miles per gallon. the previous owner sent it to Topeka Powersports for poor fuel mileage. They installed new Diaphragm assemblies. Is this milelage typical? or is something wrong? I have talked to two other venture riders, one on a poker run, and one @ the truck stop, and apparently fuel milelage is low. On the Venture history page, it states the average fuel mileage @ 42.5 mpg, it states the capacity @ 5.3 gallons, the owners manual says 5 quarts. The warning light came on and I put 3.92 gallons in. Trying to decide if another carb overhaul is warranted this winter? Gilbert
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Hi gang, See if you can figure this out for me and you win the prize. For sometime now my bike has been running great! Last Thursday I rode to work and all was well then headed home filled up about 2 miles from work, and then it started. No high end speed above 45/50 MPH I made it home all the way home on the back roads. bike just wants to bog down. First thing I did was call the station and I figured they had some bad gas. they say no complaints. then I proceeded to drain the fuel and the bowls and fill up with another batch of fuel from another gas station. still the same problem. Next I check the plugs, the Fronts were carboned fouled real sooty, REALLY black. So I changed them out as well. still the same problem. I am wondering if I have another Coil Problem. I also changed the fuel filter first thing. The one thing I have not changed is the Fuel Pump. I do have (2) spares though. but the bike will run for ever below 50MPH and Idle just great. I also did a carb sync just for the heck of it. Any Suggestions would be great. Thanks, Jeff -
Hi folks ,I have a question,my 1990 venture 1300 has carb problems,as they seem to be running very rich, I am having a lot of problems with plug fouling,and terrible fuel mileage,also at times one or two of the carbs will start puking fuel out of the overflow tubes ,telling me that the floats are stuck or there may be trash in the system. Should I go to the trouble of pulling the carbs(ugh) or trying to clean the system with chemical treatments ie seafoam, the bike also seems to bog down at high rpms...HELP!!! THANKS, Ben.
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Don't know if this the same for all Ventures but on MINE it sure is.... Filled the gas tank yesterday and put the gas petcock to Reserve. I normally switch it back th Normal after 25-30 miles. I do this because I don't want any gunk build-up in the petcock and this also ensures that I have good flow.... Well today I found out that with the petcock in the Reserve position the Low Fuel Light does NOT come on and the Trip odometer does NOT warn of impending Low Fuel as it does NOT zero out. Luckily for me when I ran out of gas I was able to slap the bike over onto its kickstand and get enough gas to the left side of the tank.....which enabled me to haul a$$ to the nearest Exit and Gas Station. Boomer....who sez ya gotta remember ALL the steps of any procedure ya use....even when it comes to thumping on the pygmies during periods of cheesecake withdrawal.
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Yesterday I filled up the bike and then a little while later I noticed one bar on the fuel gauge blinking. When the bike is started, all the bars blink then only one bar blicks. Sending unit or is it in the display, or did a wire come off. ? Brad
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It appears that I am starting to have issues with my 08 Veture Fuel Sensor. When I fill up, it shows I am down 3 Bars, No Bars when I still have about 60 miles worth of Gas and No warning light with no Bars. Is there a quick fix Luke an additive etc. or is it just gone duff and needs waranty replacement?
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This last Friday 7-2 we were on are way home from a wonderful trip to the Black Hill. Pulled into a Flying J truck stop in Sioux Falls SD for gas. Go to turn in and down we go slid about 15 feet on its side, bike and trailer do a 180 and I laid in the middle of intersection wife step off the bike as it went down and didn't get hurt. My left knee hurt pretty bad . Come to find out a truck driver that had filled up forgot to put there cap back on and as he turned the corner to leave spilled out fuel on to the pavement and it splashed into the turning lane. No one seen who spilled the fuel. I didn't see it and when I braked and turned it was just like ice and down we went. After about an hour of talking to the manager, police and EMTs we get on bike and finish our last 250 miles. Go to hospital that night to have knee checked out find out I have a deep tear in my calf muscle and little road rash. The lesson is WATCH THE INTERSECTION AT TRUCK STOPS . Everyone be careful and have a safe summer I know I am going to pay more attention to the my turns in to fuel stops from now on.
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1984 Venture Royale: I've owned it a few weeks, been riding it to work everything has seemed to be working well. Filled with fuel and came home and parked the bike. My wife got home a little less than an hour later and suggested we take the bike and go out to dinner, "great idea Honey". I get the bike out of the shed, clean the bugs off the windshield, fire it up and we head out the driveway. Everything was functioning nomally up to this point. As we headed up the driveway, the engine stumbled a little, then caught, then stumbled again, acting like it wasn't getting fuel, thumbed the choke for a second, she caught, then stumbled and quit. Tried to restart,she would fire and run a few seconds but wouldn't take much throttle, and quit again. Same thing three or four times. I thought hmmmm clogged fuel filter? malfunctioning pump? restriction in fuel line? plugged tank outlet? Pushed home and parked in the driveway and took the pickup . Next morning tried to start it, same thing, run a few seconds and quit. Didn't havetime to tear into it so left it sit for a couple of days. Came back disconnected fuel output line from filter, flow was good.... disconnected fuel line from carbs and cycled ignition, flow and pressure were good?????hmmmmm. Hooked everything back up and she fires up and runs fine.... ??????? Am a bit nerveous to get the horse too far from the barn. Any thoughts?
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