How does a round slide carburetor work on a dirt bike?
It works anytime the throttle slide is closed (or nearly closed) and there is sufficient vacuum behind the slide to pull idle mixture out through a small hole, which is also just behind the slideāon the bottom of the air passage, usually. The screw that sticks into the idle air passage is called the pilot air screw, or the idle air screw.
How do you set up a Mikuni round slide carburetor?
A good adjustment procedure is as follows: Turn the idle speed up a little higher than you want it to be, using the throttle stop screw. Now turn the idle air or pilot air screw inwards until the engine runs poorly.
Where is the cutaway on a round slide carburetor?
The part that affects throttle response coming off idle, is the throttle slide cutaway. Most slides have a V-shaped section removed from the bottom of the throttle slide, with the open end of the V facing toward the mouth of the carb. The amount of cutaway is indicated by a number stamped on the slide. A higher number means more cutaway.
How do you adjust the CARB on a Honda motorcycle?
Adjust the idle mix with the engine running and at operating temp. Screw in the idle mixture screw until the bike develops a lean misfire, which will sound like the engine is sneezing back through the carburetor. Once the engine begins to misfire, back the idle mixture screw out just until the misfire stops.
How is rubber attached to a carburetor slide?
The rubber is attached to the slide by pushing the thick section over the swagged lip that held the plastic washers. The thick section of rubber grips the slide and replaces the plastic washers. The pictures should explain how this
How does the carburetor work on a Honda motorcycle?
Honda motorcycle carburetors deliver a precisely metered air/fuel mixture to the engines. The carburetor automatically adjusts the mix across the entire throttle range. The carburetor adjustments include idle speed, idle circuit mixture, mid-range and high-speed circuit mixture.
How does a Honda carburetor adjust idle speed?
The carburetor automatically adjusts the mix across the entire throttle range. The carburetor adjustments include idle speed, idle circuit mixture, mid-range and high-speed circuit mixture. The idle circuit and idle speed is adjusted with a screw.
What to do if you have a slide carb on your bike?
If you have a slide carb, go back to the bike and inspect the throttle slide still hanging from the cable. Clean it and the needle. Place both back in the carb and check to see that the slide moves freely and has no hangups. If it does, clean again with 0000 steel wool. Clean and check the inner wall of the carb also. 12) MAIN BODY: