4 off Nitrile Rubber (NBR) O-ring 5mm x 3mm x 1mm
4 off Stainless Steel Washer 5mm x 3mm x 0.5mm

Ideally suited to most Keihin and Mikuni Mixture Screws and many other carbs.

These are not OEM parts but superbly engineered alternatives.

The O-ring is made from;
  • nitrile rubber (NBR)
  • operating temp -50C to +120C
  • tough and robust
This O-ring is as fitted to the following mixture screws;

Kawasaki Part Number #92055-1002
Suzuki      Part Number #13295-29900
Yamaha   Part Number #3H1-14147-00-00


Nitrile is an excellent material for resistance to harmful chemical and oil environments at normal and elevated temperatures.
Widely used on automotive components, hardware components, bathrooms, household electrical appliances, electronic instruments etc.
This is the most common material/elastomer used in the seal industry.