Replaces your dipstick that has 20mm x 2.50 pitch.
Fits
- Yamaha Zuma 50F / 125
 
- Honda Ruckus
 
- Honda Metropolitan
 
- Honda Grom 125
 
- GY6
 
Decompression tubes replace your dipstick and allow excess crank case pressure to be released.
 We recommend installing these tubes along side with a oil catch can.