Aftermarket jets for Mikuni Carburetors HS40, HSR42/45/48, RS34-RS40 and TM33, TM36 and TM40 with accelerator pump For Mikuni HS40 Flat Slide w/Accelerator Pump, HSR42 HSR45 HSR48 New Style; HSR45 Old Style; RS34 RS36 RS38 RS40 Flat Slide Rack. For Mikuni TM33-8012 TM36-68 TM40-6 Flat Slide w/Accelerator Pump. For Kawasaki: Z1 A/B-900 KZ900 A/B 1976-1977 KZ1000 1977-1980; For Suzuki: GS750 1978-1979 GS1100 1978-1979. Sizes:10 12.5 15 17.5 20 22.5 25 27.5 30 32.5 35 37.5 40 42.5. Please check the size on the product images to avoid mistakes and choose the corret variation with the sizes you need. Pilot Jet Slow Jet Kit for Mikuni RS HSR HS TM Carburetors VM28/486 10# ~ 42.5#