Question about 1972 Yamaha XS2

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Starting after warm fault

Hi , i have a yamaha breeze quad',starts first time, runs ok but after it gets warm if it stalls or cuts out there is a noise from the starter which sounds as if it is faulty ie not engaging the flywheel or just a heavy click , once it cools it starts ok, removed the starter and had it tested by a auto electric co ,told me it tested ok any ideas . stef

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Sound like its not getting enough fuel when the choke turns off, try cleaning your carb.

Posted on Nov 22, 2008

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Adj the valves

Posted on Nov 25, 2008

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1 Answer

Yamaha not start


I would not think so
check for broken wiring, kill switch and dirty terminals and connections

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Yamaha virago problems


Hi, Darrensemail the ignition circuit cut-off system comprising of the side stand switch, clutch switch and neutral switch has the following functions:
a. It prevents starting when the transmission is in gear and the side stand is up, but the clutch lever is not pulled.
b. It prevents starting when the transmission is in gear and the clutch lever is pulled, but the side stand is still down.
c. It cuts the running engine when the transmission is in gear and the side stand is moved down.
Periodically check the operation of the ignition circuit cut-off system according to the following.
With the engine turned off:
1. Move the side stand down.
2. Make sure that the engine stop switch is set to "RUN"
3. Turn the key to "ON".
4. Shift the transmission into the neutral position.
5. Push the start switch if the engine does not start the neutral switch may be faulty.
With the engine still running:
6. Move the side stand up.
7. Keep the clutch lever pulled.
8. Shift the transmission into gear.
9. Move the side stand down if the engine does not stall you may have a faulty side stand switch.
After the engine has stalled:
10. Move the side stand up.
11. Keep the clutch lever pulled.
12. Push the start switch if the engine does not start you may have a faulty clutch switch.
This check is most reliable if performed with a warmed-up engine.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
https://www.viragohelp.com/virago-ignition-systems
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My Yamaha 250 zeal has a problem starting. it turns over fine but often wont continue running while cold, it doesn't like choke and stalls if the throttle is eased open. until it has warmed up.


Hi, Barry and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Float needle and seat sticking.
5. Float level too low.
6. Carburetor bowl vent line clogged/blocked/pinched.
7. Idle adjusting screw set too low.
8. Air/fuel mixture screw set too lean.
9. Idle port, transfer ports, slow air jet clogged.
10. Slow fuel jet clogged.
11. Faulty fuel pump.
For more information about your issue and valuable "Free" downloads that you will need please Click on blue links below. Good luck and have a wonderful day.
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1 Answer

2001 YAMAHA ROADSTAR will only start if kickstand is UP not DOWN and clutch handle pulled in for some reason it thinks bike is in gear but it is not. The neutral light is on bike drives good and shifts...


Hi, Layton_dille the ignition circuit cut-off system comprising of the side stand switch, clutch switch and neutral switch has the following functions:
a. It prevents starting when the transmission is in gear and the side stand is up, but the clutch lever is not pulled.
b. It prevents starting when the transmission is in gear and the clutch lever is pulled, but the side stand is still down.
c. It cuts the running engine when the transmission is in gear and the side stand is moved down.
Periodically check the operation of the ignition circuit cut-off system according to the following tests.
With the engine turned off:
1. Move the side stand down.
2. Make sure that the engine stop switch is set to "RUN"
3. Turn the key to "ON".
4. Shift the transmission into the neutral position.
5. Push the start switch if the engine does not start the neutral switch may be faulty.
With the engine still running:
6. Move the side stand up.
7. Keep the clutch lever pulled.
8. Shift the transmission into gear.
9. Move the side stand down if the engine does not stall you may have a faulty side stand switch.
After the engine has stalled:
10. Move the side stand up.
11. Keep the clutch lever pulled.
12. Push the start switch if the engine does not start you may have a faulty clutch switch.
This check is most reliable if performed with a warmed-up engine.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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I have a 1982 XJ750, and wont start. Once started runs well.


try to get a warmer spark plug and you may find that it will start better . the Yamaha have been hard to start and the only way to really start them up in winter or colder weather is to replace the plug by a warmer one . Do not go too hot as you may burn a hole in the pistons .

Sep 26, 2009 | 1981 Yamaha XJ 650

1 Answer

Engine dies after quad is warmed up (10-15 minutes)


Just a hunch, had this happen to a bike of mine years ago, could be the piston rings are gettting ready to go(wore down). What happens is when the quad is cold the rings expand tight into the cylinder walls allowing it to get full compression and run ok. When it heats up they shrink allowing the slightest amount of give which in turn will cause you problems similar to what your describing.

Jun 08, 2009 | 2005 Yamaha WR 450 F

1 Answer

Stalling runs ok then cuts out


sounds like the timeing belt is bad.

Jan 09, 2009 | 1996 Saab 900

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