Product Description

ADA Racing billet dome for the Yamaha 760 and 1200 engines, includes compression(OR043) and dome top(OR020) orings. Squish relief is .015 inch @ 86mm with a 10.5 degree angle.

NOTE: Domes are sold individually.

NOTE: This Dome is NOT for the Yamaha 1200R power-valve engine.

Sizes / Compression

• PN# YA7629L - 29cc (245lbs / 116 Octane)
• PN# YA7631L - 31cc (230lbs / 115 Octane)
• PN# YA7633L - 33cc (215lbs / 110 Octane)
• PN# YA7635L - 35cc (200lbs / 105 Octane)
• PN# YA7636L - 36cc (193lbs / 105 Octane)
• PN# YA7637L - 37cc (187lbs / 100 Octane)
• PN# YA7638L - 38cc (180lbs / 98 Octane)
• PN# YA7640L - 40cc (165lbs / 91 Octane)
• PN# YA7642L - 42cc (150lbs / 89 Octane)