How does the fuel tank work on a Yamaha Virago?
The second change relates to venting. California models were now vented through a hose running to a charcoal cannister which is designed to collect fumes from the tank (and the carbs) when the bike is at rest, and return them into the engine to be burned when the the engine runs.
When did the Virago fuel system start to change?
When the bike goes over, and a little ball bearing rolls along a little passage in there and blocks the flow of fuel through this vent. Virago Fuel Systems. Starting in 1984, things changed a little for all 700’s (’84 to ’87) and 750’s (’88 to the end of the run).
What happens when you run out of gas on a virago?
Shortly after the warning light goes on, the fuel pump controller partially shuts down the fuel pump, so that your engine does not completely quit, but does start to starve for fuel. The effect (to the rider) is that you feel like you are running out of gas.
What to do if your Virago fuel system is leaking?
TAKE ADEQUATE PRECAUTIONS, OR HAVE AN EXPERIENCED MECHANIC DEAL WITH YOUR FUEL SYSTEM PROBLEMS. !!! Sucking on the vacuum lines can tell you whether the vacuum function is working. Petcocks can also start to leak. You can try disassembling, cleaning and reassembling.
The second change relates to venting. California models were now vented through a hose running to a charcoal cannister which is designed to collect fumes from the tank (and the carbs) when the bike is at rest, and return them into the engine to be burned when the the engine runs.
When the bike goes over, and a little ball bearing rolls along a little passage in there and blocks the flow of fuel through this vent. Virago Fuel Systems. Starting in 1984, things changed a little for all 700’s (’84 to ’87) and 750’s (’88 to the end of the run).
Shortly after the warning light goes on, the fuel pump controller partially shuts down the fuel pump, so that your engine does not completely quit, but does start to starve for fuel. The effect (to the rider) is that you feel like you are running out of gas.
TAKE ADEQUATE PRECAUTIONS, OR HAVE AN EXPERIENCED MECHANIC DEAL WITH YOUR FUEL SYSTEM PROBLEMS. !!! Sucking on the vacuum lines can tell you whether the vacuum function is working. Petcocks can also start to leak. You can try disassembling, cleaning and reassembling.
Is the Yamaha Virago still in the aftermarket?
Your Yamaha Virago is truly a classic, a V-twin machine that helped set industry standards for looks, agility and smooth riding. You can still easily find Yamaha Virago aftermarket mods and OEM components, but you’re here at BikeBandit.com for a reason.
What to do if float valve on Virago goes out?
If your carbs flood on the “prime” setting, your float valves are sticking. Tap your carbs a little to see if the problem clears. Otherwise, replace your float valves. From ’84 on, the bigger Viragos have venting pipes with “rollover valves” in them to prevent fuel from flowing out in the event the bike goes over.