Question about 1993 Yamaha XV 535 Virago DX

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Motorcycle has a lack of acceleration. RPMs go up as normal but the motorcycle moves as if you were on cruise control and holding the increase speed button. What else could be causing the problem? I have tried Changing the fuel filter, Removing the carbs and cleaning them out, checked the diaphragms

Posted by Andrew Carothers on

  • Andrew Carothers Jul 11, 2012

    I can shift through all the gears and the RPMs drop as they normally do. going to check the clutch pressure plate to see if it is just too worn and that thebolt springs are still good

  • Andrew Carothers Jul 25, 2012

    So i off the right crankcase housing to look at the clutch and after measuring all the components with a caliper, the friction plates seem to be below the suggested thickness. waiting on those to come in right now, ill let youguys know if this fixes the problem.

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3 Related Answers

thomasnee

  • 677 Answers

SOURCE: cause of severe motorcycle brake judder

It could be 1 of 2 thing.The discs are out of round or the pads have a bad contaminate on them.If its bad stuff on the pads it would give a stop/slip/stop etc feeling to the brakes.eg .a shudder.If the disc is out of true,that means its not running in a dead straight line but has a slight offset, it will cause pulses or shudders in the brake.I just thought,,check the caliper mounts are not loose.Look at the disc,it should be the same color all the way around.Diff colors indicates a hot spot or warp.Jack up the front of the bike.Spin the wheel and put a pointer on the disc.It should not be out of true except for a very very small amount.It needs this to clear the pads from the disc so the dont rub all the time and get hot.Go from here,Hope this helps

Posted on Jan 10, 2010

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Anonymous

  • 1 Answer

SOURCE: 2001 yamaha ttr 250, starts, idles ok, bogs at acceleration

I have the same bike and same problem. Check the intake hose that connects the carb to the motor it may have a crack mine did and lost power when the bike warmed up. They don't make a replacement hose for it so I am using a rubber plumbers coupling with hose clamps. Might work? The hose is inch and a half diameter and about three inches long try that maybe. Good luck If it makes a chirping sound when the bike gets warm it's probably that hose sucking in air and screwingup your mixture.

Posted on May 06, 2010

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Anonymous

  • 1 Answer

SOURCE: Thank you.I have a 1993

Have you tested the throttle cable is working?

Posted on Aug 10, 2010

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1 Answer

When cruse is set, why does it not hold going down hill


Cruise control only maintains speed by utilizing the accelerator. To speed up it increases it and during slowing is removes it. The cruise control will not apply brakes in the event of a steep downhill run. In this case the vehicle will start to accelerate in the same manner as if the cruise control was not engaged. But in theses cases, most cruise controls, once the speed exceeds a certain amount above the set speed, will auto-disengage as a safety feature.

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Where is the fuse for cruise control on a 2003 envoy


It is HVAC 1fuse #39 in the rear fuse block ,this powers the on/off switch for cruise control ! Fuse Block - Rear Beneath the left rear seat. What engine does it have ? 4.2 L or 5.3 l There is no vacuum involved in the operation of the cruise control ! Your vehicle has electronic throttle control .
Cruise control is a speed control system that maintains a desired vehicle speed under normal driving conditions at vehicle speeds above 40 km/h (25 mph). Steep grades may cause variations in the selected vehicle speeds.
The following are the main components of the Cruise Control System:
?€¢
The powertrain control module (PCM)


?€¢
The On/Off switch


?€¢
The Resume/Accel switch


?€¢
The Set/Coast switch


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The TCC brake switch


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The stop lamp switch


?€¢
The throttle actuator control (TAC) motor


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The vehicle speed sensor


Cruise Control Engaged
The cruise control system will engage and adjust the vehicle speed based on the activation of the following cruise control switches:
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On/Off


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Resume/Accel.


?€¢
Set/Coast

The cruise control switches are located on the multifunction/turn signal lever.
The powertrain control module (PCM) monitors the signal circuits of the cruise control switches in order to determine when to capture and maintain the selected vehicle speed. The PCM uses the throttle actuator control (TAC) module motor in order to control the vehicle speed. For further information on the TAC System, refer to Throttle Actuator Control (TAC) System Description in Engine Controls - 4.2 L.
Ignition positive voltage is supplied from the 10 ampere HVAC 1 fuse to the cruise control switch via the ignition 3 voltage circuit. When the normally open cruise control On/Off switch is turned On, the switch closes and the PCM detects a high signal voltage on the cruise control on switch signal circuit. When the normally open Set/Coast switch is pressed, the switch closes and the PCM detects a high signal voltage on the cruise control set/coast switch signal circuit. To engage the cruise control system, turn the On/Off switch On and momentarily press the Set/Coast switch. The PCM will confirm that the cruise control enable criteria has been achieved. The PCM will engage the cruise control system and record the selected vehicle speed. The PCM sends a class 2 message to the instrument panel cluster in order to illuminate the cruise control indicator. Pressing the accelerator pedal, while the cruise control system is engaged, will allow the driver to override the cruise control system in order to accelerate the vehicle beyond the current set vehicle speed. When the accelerator pedal is released, the vehicle will decelerate and resume the current set vehicle speed. The driver can also override the current set vehicle speed via the Set/Coast switch and the Resume/Accel switch. When the cruise control system is engaged, pressing and holding the Set/Coast switch will allow the vehicle to decelerate from the current set vehicle speed without deactivating the cruise control system. When the Set/Coast switch is released, the PCM will record the vehicle speed and maintain the vehicle speed as the new set vehicle speed. When the cruise control system is engaged, momentarily pressing the Set/Coast switch will allow the vehicle to decelerate at 1.6 km/h (1 mph) increments for each time that the Set/Coast is momentarily pressed, with a minimum vehicle speed of 37 km/h (23 mph). When the normally open Resume/Accel switch is activated, the switch closes and the PCM detects a high signal voltage on the cruise control resume/accel switch signal circuit. Activating and holding the Resume/Accel switch, when the cruise control system is engaged, will allow the vehicle to accelerate to a greater vehicle speed than the current set vehicle speed. When the Resume/Accel switch is released, the PCM will record the vehicle speed and maintain the vehicle speed as the new set vehicle speed. When the cruise control system is engaged, momentarily activating the Resume/Accel switch will allow the vehicle to accelerate at 1.6 km/h (1 mph) increments for each time that the Resume/Accel switch is momentarily activated, with the maximum acceleration total of 16 km/h (10 mph) over the current set vehicle speed . Momentarily activating the Resume/Accel switch, after the cruise control system has been disengaged by pressing the brake pedal, will recall the previous set vehicle speed that is recorded in the PCM.

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How do i set the cruise control on my 1994 mercedes c220 elegance automatic


Cruise Control
Any given speed above approximately 22 mph (35 km/h) can be maintained with the cruise control by operating the lever.
-see photo

  1. Accelerate and set: Lift lever briefly to set speed. Hold lever up to accelerate.
  2. Decelerate and set:
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To cancel the cruise control, briefly push lever to position 3.
When you step on the brake or the vehicle speed drops below approx. 22 rnph (35 km/h), for example when driving upgrade, the cruise control will be canceled.
4. Resume
If the lever is briefly pushed to position 4 when driving at a speed exceeding approx. 22 mph (35 km/h), the vehicle resumes the speed which was set prior to the cancellation of the cruise control. The last memorized speed is canceled when the key in the steering lock is turned to position 1 or 0.
Note:
If the engine does not brake the vehicle sufficiently while driving on a downgrade, the speed you set on the cruise control may be exceeded and you may have to step on the brake pedal to slow down.
As soon as the grade eases, the cruise controlled speed will again be maintained as long as the brakes were not previously applied, or the lever may be used to resume the previously set speed if the brakes were applied.

set-cruise-control-1994-mercedes-c220-sufrpujyrsap3pvz3w2boz5j-3-0.jpg
http://www.benzworld.org/forums/attachments/w202-c36-c43/153145d1197313761-pdf-owners-manual-w202-1995-2000-1999-c280_owners_manual.pdf

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My cruise control on my 2002 Xterra works fine until going up hill (not just big ones, any hill that makes the speed drop). It increases engine RPMs to maintain set speed(usually about 3.5K), however, once...


Are you aware what transmission your Xtera has ? In some cases this may be considered normal pending make model and options . The revs going up down hill could be a form of engine breaking regulated by the transmisson control module in an automatic. Now if you have a manual transmission this is definately an issue.

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Cruise control on 1996 Chevy Silverado won't hold speed


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My cruise control holds its speed fine on flat and downhill roads but coming out of a downhill and going uphill, it fails to hold its speed to the point where the speed will drop so low that the cruise...


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How do you set the cruise control on my 2008 Road King Classic, FLHRCI. I bought the bike, no manual... Thank-you


Luckily, I have a 2008 Road King Classic (FLHRC) WITH a manual!

On the left handlebar switch housing there is a lever below the left turn signal button.
It should be flipped to the right for the cruise control to be on, left is off.

On the right switch housing, is a similar lever, below the right turn signal button.

When you're above the minimum speed (I do not know what this is, but 30 MPH is not fast enough for it to engage), push the lever to the right (towards the grip end). This will "SET" the speed.
If you hit the brakes, or accelerate above a certain rate, the cruise will kick off.
To get back to the set speed, when you're above the minimum speed, flip lever to the left to resume.

When the speed is set and engaged, to increase the set speed, flip right lever to the right, to slow, flip to the left.

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CVT problem


Simple answer, no, it will not most likely cause any increased wear to your engine or transmission. Yes, it is normal for the engine to rev while climbing a hill while in cruise control.

The cruise is designed to be used on flat (or semi-flat) stretches of highway at 55mph or higher so you don't have to hold the fuel pedal the whole time and your foot doesn't get tired. The cruise control system will try it's best to keep your vehicle rolling at the set speed, increasing/decreasing the throttle to compensate for changes in engine load.

If you are driving with cruise on, try lightly putting your foot on the pedal and you might notice that the system will actually move the pedal itself. If you are in cruise, and you come up to a large hill, try putting your foot on the pedal and getting it up the hill on your own w/o cruise then resetting cruise once you are off the hill.

Also, cruise is not supposed to be used in moderate/ thick traffic or on country roads with a lot of rolling hills. The cruise control system is a "dumb" system meaning (not that it's pointless) but it will only change the pedal as the speed changes and it has no idea what's coming up next, even while you are already on the hill.

So, it is normal operation of the cruise control to try to compensate for a hill by constantly revving up the engine and letting it fall back down to try to keep moving at the exact same speed you set it for. If this is a bother, you can always use your foot to hold the pedal while climbing the hill normally.

Don't worry, it won't cause any increased wear and tear on your vehicle. I hope this helps. Good luck and don't forget to rate! Thank you!

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