ADA Racing Yamaha Cylinder Head Domes.

Note: Domes are sold individually.

Y701-81mm Bore Domes Part No.
Y701 37cc - 170lbs/91 Octane YA2137L
Y701 35cc - 185lbs/91 Octane YA2135L
Y701 34cc - 192lbs/95 Octane YA2134L
Y701 33cc - 200lbs/100 Octane YA2133L
Y701 31cc - 215lbs/110 Octane YA2131L
Y701 29cc - 230lbs/115 Octane YA2129L

Y760-84mm Bore Domes Part No.
Billet dome has .015” squish relief @ 86mm with a 10.5° angle.
Y760 42cc - 150lbs/89 Octane YA7642L
Y760 40cc - 165lbs/91 Octane YA7640L
Y760 38cc - 180lbs/98 Octane YA7638L
Y760 37cc - 187lbs/100 Octane YA7637L
Y760 36cc - 193lbs/105 Octane YA7636L
Y760 35cc - 200lbs/105 Octane YA7635L
Y760 33cc - 215lbs/110 Octane YA7633L
Y760 31cc - 230lbs/115 Octane YA7631L
Y760 29cc - 245lbs/116 Octane YA7629L

86mm Bore Flat Top Part No.
Billet dome has .015” squish relief @ 86mm with a 4° angle.
Y760 Flat Top Dome – 30cc YAK8630L15
Y760 Flat Top Dome – 28cc YAK8628L15
Y760 Flat Top Dome – 26cc YAK8626L15
Y760 Flat Top Dome – 24cc YAK8624L15
Y760 Flat Top Dome – 22cc YAK8622L15

Dome for Flat Top Kawasaki Piston@82mm 24cc KD1224

Y1100 - 81mm Bore Domes Part No.
Billet dome has .015” squish relief at 83mm with a 10.5° angle.
Y1100 37cc - 170lbs/92 Octane YA2137L
Y1100 35cc - 185lbs/92 Octane YA2135L
Y1100 34cc - 192lbs/95 Octane YA2134L
Y1100 33cc - 200lbs/105 Octane YA2133L
Y1100 31cc - 215lbs/112 Octane YA2131L
Y1100 29cc - 230lbs/115 Octane YA2129L

Y1200 - 84mm Bore Domes Part No.
Billet dome has .015” squish relief at 86mm with a 10.5° angle.
Y1200 42cc - 150lbs/91 Octane YA7642L
Y1200 40cc - 165lbs/91 Octane YA7640L
Y1200 38cc - 180lbs/98 Octane YA7638L
Y1200 37cc - 187lbs/100 Octane YA7637L
Y1200 36cc - 193lbs/105 Octane YA7636L
Y1200 35cc - 200lbs/105 Octane YA7635L
Y1200 33cc - 215lbs/110 Octane YA7633L
Y1200 31cc - 230lbs/115 Octane YA7631L
Y1200 29cc - 245lbs/118 Octane YA7629L

GP1200R - 81mm Bore Domes Part No.
Billet dome has .015” squish relief at 81mm with a 10.5° angle.
GP1200R 42cc - 140-145Lbs/89 Octane YA8042
GP1200R 40cc - 155-160Lbs/91 Octane YA8040
GP1200R 38cc - 165-170Lbs/95 Octane YA8038
GP1200R 35cc - 180-185Lbs/100 Octane YA8035
GP1200R 33cc - 195-200Lbs/105 Octane YA8033
GP1200R 31cc - 205-210Lbs/110 Octane YA8031
GP1200R 29cc - 215-220Lbs/115 Octane YA8029