How to remove carbs from a Yamaha Virago?

How to remove carbs from a Yamaha Virago?

Remove rear inside stub bolt Slide carbs forward and from the right side of the bike, using a 10mm open end wrench. Remove rear outside stub bolt This was the first stub bolt you loosened. Remove rear intake stub Move the carbs out of the way and remove the stub.

How do you remove intake stubs from a virago?

Remove front outside intake stub bolt. Use 10mm open end wrench and remove bolt. Remove front intake stub The intake stubs are slotted on the inside to allow for removal. Hold the carbs out of the way and gently remove the intake stub. Be careful, there is an “O” ring on the back side of each intake stub.

How much torque does a Virago 250 have?

The Virago 250 greatest torque (between 4500 and 6200 rpm) is this road speed (indicated) in 5th gear: 17/38/130/stock front tire 59 to 81.1 mph 17/38/130/larger front tire 56.4 to 77.6 mph 17/38/140/stock front tire 60.9 to 83.7 mph

Why is my Virago 250 running too hot?

7) Exposed Voltage Regulator mod for Virago 250 – The “delete left side plastic cover and expose voltage regulator mod.” http://wp.me/P1LWaM-mX (bottom of post) The voltage regulator runs too hot on some Virago 250s. Basically, mine stays cool if the bike is moving, but gets too hot in stop-and-go traffic or idling.

Remove rear inside stub bolt Slide carbs forward and from the right side of the bike, using a 10mm open end wrench. Remove rear outside stub bolt This was the first stub bolt you loosened. Remove rear intake stub Move the carbs out of the way and remove the stub.

Remove front outside intake stub bolt. Use 10mm open end wrench and remove bolt. Remove front intake stub The intake stubs are slotted on the inside to allow for removal. Hold the carbs out of the way and gently remove the intake stub. Be careful, there is an “O” ring on the back side of each intake stub.

How do you change the idle on a virago?

On the virago it is a two-step process as the stop for the idle has to be done first (if it is off – this adjustment usually doesn’t change), then the carbs need to be opened barely off the stop and then synchronized between themselves. …or… you may just still have crud in the tank that is getting into the carbs.

Is there a problem with my Virago XJ750 carb?

And if you use B-12 to clean the slides, the diaphragms are not removable and B-12 will eat a hole really quick, so use care to clean them. Also check under the needle and seat, there is a filter screen that might be clogged with crap. Hard to get parts for those carbs so be careful with the parts you have.

How to make a virago carburetor look neat?

MARK WITH MASKING TAPE, WHERE YOU ARE GOING TO MAKE YOUR CUT THIS IS WHERE I ENDED UP CUTTING THE TUBE SLIDE THE VELOCITY STACK OVER THE TUBE APPLY LIBERAL AMOUNT OF RTV SILICONE ON THE BACK SIDE, SMOOTHING IT WITH A MOIST FINGER FOR THAT NEATER LOOK (?) I HAVE ADDED AN ADDITIONAL BRACKET TO STABILIZE THE CARBURETOR

How do you remove a fuel tank from a virago?

Beware, there is a spacer on the left side and it may fall when the bolt is removed. Remove 12mm tank bolt The XV-750 tank comes off easily. Leave the petcock on “run”. Disconnect fuel, vacuum, vapor lines, and wire to the fuel sender. Lift the tank off. On the XV-1100’s I lift the back of the tank by wedging a 2×4 under the tank.

How to Rejet a 1997 Yamaha Virago XV1100?

Adjusting float height, rejetting, and pilot screw adjustment on 1997 Yamaha Virago XV1100 Mikuni motorcycle carburetors. Same as models 1987-1999 Update: After reinstalling the carburetors you should synchronize them. It is also important to check the boot connections from the carburetors to the intake and to the heads.

How do you remove a tank from a virago?

Remove 12mm tank bolt The XV-750 tank comes off easily. Leave the petcock on “run”. Disconnect fuel, vacuum, vapor lines, and wire to the fuel sender. Lift the tank off. On the XV-1100’s I lift the back of the tank by wedging a 2×4 under the tank. This should be high enough to get the tank clear from the carbs.

What to know about engine swaps on Virago?

So, you should try to get the carbs that go with the engine you are going to swap in. Also: • Early carbs and later ones differ in terms of throttle cables (single versus dual) so be ready to handle this. • Early carbs and later ones differ in how they route their breather pipes.

How do you remove fuel lines from a virago?

Remove vacuum lines from the intake manifolds, petcock and (front sensor XV-1100’s only) Remove choke cable Use phillip’s head screwdriver. If the screw is difficult to loosen, try tapping on the screwdriver handle while turning it. Remove fuel lines from carbs Place a rag under the carbs to catch any fuel that may leak out.

When did the Yamaha Virago Hitachi carburetors come out?

In French it means: “Don’t mess with me”.) The first Viragos to hit our shores in 1981 had Virago Hitachi carburetors on them and this make of carb lasted on the larger displacement (700, 750, 920, 1000, and 1100cc) models through the 1987 model year.

Where are the pilot outlets on a virago carburetor?

These carbs also had two separate pilot circuit outlets into the bore. One is called the “pilot outlet”. It lies in the bore on the engine side of the butterfly valve. The flow of mixture from this outlet can be regulated by means of adjusting the pliot adjustment screw.

And if you use B-12 to clean the slides, the diaphragms are not removable and B-12 will eat a hole really quick, so use care to clean them. Also check under the needle and seat, there is a filter screen that might be clogged with crap. Hard to get parts for those carbs so be careful with the parts you have.

On the virago it is a two-step process as the stop for the idle has to be done first (if it is off – this adjustment usually doesn’t change), then the carbs need to be opened barely off the stop and then synchronized between themselves. …or… you may just still have crud in the tank that is getting into the carbs.

Are there any problems with the Yamaha Virago?

I receive many repeat problems from Virago owners all around the world, but one of the most common scenarios goes something like this, “I just bought this great bike, a 1982 Virago with 13 actual miles on the clock, not a scratch on the bike and the owner had it since it was new.”