Suitable For All Keihin FCR Carbs. Orange Pilot Screw with ENGRAVED numbers, that is why Taffmeisters choose this Pilot screw. It comes with the spring, two washers and two O rings

The pilot screw adjusts the low speed running of the bike:
So just off idle into low speeds.
This does have some bearing on starting and restarts.
If you have a 'flat spot' this is the tool!
If you're serious about exhaust and jet changes you need this tool!
Easy to fit in minutes it makes setting the low speed running easy...
And the easy to see 1 - 4 dot design means you know EXACTLY how many turns you've made.
Taffmeisters can alPlease follow the following links if you need to replace your Pilot Screw 'O' Ring and or the spring.
Pilot Screw Spring
Pilot Screw 'O' Ring so supply carb parts for Dell Orto and Keihin carbs...