Carburetor pilot screw adjusting tool

Count the number of turns it takes to bottom out the screw and record this number. Remove the pilot screw and its related components. Most have a spring, washer, and O-ring. Discard the O-ring and replace it with a new item on assembly after the carburetor has been cleaned. Assemble the carburetor and return the pilot screw to its original position or the specified number of turns out given by the manufacturer.

Install the carburetor to the vehicle and prepare the vehicle to run. Check the service manual for specific pilot screw adjustment procedures. Start the engine and warm it up to normal operating conditions. Connect a tachometer.

Adjust the idle to the required specification. Generally the pilot screw adjustment procedure involves turning the pilot screw in or out in small increments until the idle climbs as high as it will go. Return the idle to specification with the idle adjuster. Repeat the procedure as needed to make sure you end up with a bike that idles correctly.

When you are done, install a new plug or cap as indicated in the service manual. This can make it tough to feel if the head has slipped out of the screws slot when you are counting revolutions, which is important for its intended purpose of adjusting pilot screws. Read full review. Verified purchase: Yes Condition: New. Very well made, and the price was right. I believe that it's better suited for an ATV, but not so much for the motorcycle we were using it on where a screwdriver worked just fine.

This tool will work to make the needed adjustments. It has no major flaws but nothing is outstanding about it either. Middle of the road. Works great. I had the carbs. I always had the thought that I'd be adjusting the pilot screws in the future - as spelled out in post 1. I didn't check any jet sizes as I didn't see the need to make any radical changes to the carb.

STY Site Supporter. I see an order of a turn rod for European stile blinders. Heck Steve! My carbon tube is the only bit you can't see in its entirety in previous pictures, but you could use anything to hold and twist - such as a wooden dowel, alloy tube, anything fairly slim that the curtain spring can join to!

It's about 12" or mm long in total. Testing his alterations is a lot of time spent on - lets face it - very limited results! But play away if you desire. The notes were written in about , as if it makes any difference The 49 State layout is like ours. The carbs. My no 1, front right, was the awkward one for me, because the mat was in the way. Like I said, you'll need a torch - and I found it impossible to see what I needed to see in bright sunshine.

Maybe you should mark the screws with a spot of white, while you have the chance. Maybe I'll stop over and help you do the job, next time I head to Asia on Emirates Last edited: Apr 5, Testing his alterations is a lot of time spent on - lets face it - limited results!

Finally - a ride report! With all the restrictions, all I could do was go for essential supplies - two panniers and a top box worth - and took the long way home! It runs great, it runs smooth and it runs fast on just a whiff of throttle. What with other recent changes - new steering head bearings and recent tyres - it feels like a new bike.