It is easy to install in about 1 minute using the original spring and washing machine.
(NOTE)Some models may not have enough clearance for idle screws that require clearance between the top of the carbohydrate and the gas tank.
Note:
This idle screw will fit any carbohydrate with other Kyohama carburetor and 4mm screw
If you already set our custom chalk, it will do a great job.