2002 yamaha 1200 vmax 4 bbl carb carbon fouling plugs after 50kms, new low comp pistions installed never done it before any ideas what it could be ?
SOURCE: 2002 YAMAHA BANSHEE WILL NOT REV
I have a 2004 banshee at the yamaha dealer being worked on.It would not run when i took it up there they cleaned the carbs and put it back together it will start but when you rev it, it holds itself wide open and wont shut down unless you pull the plug wires.they also checked the floats in the carbs said they where ok. they think it is a vent issue with the gas tank or the fuel shut off valve.IS THAT POSSIBLE
SOURCE: 94 yamaha vmax 600. How do you tighten the track??
you mean v max 1200? Losen rear wheel, align with a straight bar. Make sure the drive shaft spin freely
SOURCE: my yamaha yz 125 is dumping to much fuel and
There are only two adjustments to make on your carburetor; the idle speed, and the idle mixture adjustment. If the spark plug fouls frequently, first make sure you are using the correct spark plug. Your 1997 YZ125 uses an NGKB9EGV. Then be sure you are using the recommended two stroke oil, mixed to the proper ratio, in the fuel. Also make sure the air filter is not excessively soiled.
With all of the above confirmed and corrected, start the bike and run until the engine is up to normal temperature. Adjust the idle mixture screw to attain the fastest idle and best throttle response. Then adjust the idle speed.
If you are still fouling the spark plug, verify that the carburetor has the correct size jets by consulting your owner's manual. Keep in mind that if you are operating your bike at an altitude higher than about 6,000 feet above sea level, the stock jetting may be too rich. Down-size the main jet in small increments until satisfactory operation and the correct spark plug color is obtained.
SOURCE: I have a yamaha trimoto 175 3 wheeler, The carb. Flooding!!
CHECK THAT THE NEEDEL IS NOT BENT AS IT HAS TO BE DEAD STRAIGHT .
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