ADA Racing Yamaha Cylinder Head Domes

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

Ships via UPS or USPS Priority.  All "Open Box" items are excluded from our free shipping offer and are not returnable.

International Customers: Shipping charges reflect transportation costs only and do not include international brokerage fees, duties, GST/HST/PST, or other applicable taxes. Customers outside the United States may receive a separate invoice directly from the carrier for these additional charges.

If you receive an item that is defective or arrives damaged, please e-mail our Customer Service Department.

One of our customer service representatives will contact you with a few questions and may request that you email digital photos of the issue. If it is determined that the item damage/defect has NOT been caused by the shipping company, then the customer service representative will issue you an RMA# and assist you in exchanging your product(s).

If it is determined that the damage/defect has been caused by the shipping company, then our customer service representative will assist you in submitting a claim to the appropriate shipping company.

You must have an RMA# (Return Merchandise Authorization Number) to return a product to Atlantic Jet Sports. Returns must be initiated and shipped to us within 10 days of the original delivery date. Any package received without a valid RMA number will be refused at our shipping dock.

All returned items must be new, unused, unmodified, and in their original packaging, including all instruction manuals, hardware, and accessories that were included with the original shipment. Products that have been used, installed, or altered in any way are not eligible for return.

There will be a 20% restocking fee on all items returned to Atlantic Jet Sports. The items that are subject to this restocking fee are items that are being returned for reasons other than damage, defect, or items that were received as a result of an error by Atlantic Jet Sports. You have up to 10 days to return the item to us in the original packaging. You will be responsible for any shipping costs back to us for your return. * See note below for exclusions.

* PLEASE NOTE: All Seat Covers, Mat Kits, Mat Sheets, ChinPads, Waterboxes, Aqua Cart and Factory Zero Transportation/Beach Dollies/Totes/Display Carts and Transportation/Beach Dolly/Display Carts Parts and/or Accessories, Watercraft Stands, Aqua Performance Watercraft Steps, RRP Handlepoles, Special Order, Close-Out, Electrical Components (including but not limited to; Starter Motors, Regulators, Relays, CDI Units, Ignition Coils, Stator Coils, Stator Assemblies, Fuel Injectors) are non-returnable and are not eligible for exchanges or store credit.

All warranties are those of the manufacturer. We will be happy to assist you in placing a warranty claim with the manufacturer, but please remember that approving or denying a warranty claim is determined by the product manufacturer. Any modification to a product voids your warranty. All claims for consequential, physical, incidental, or special damage are hereby excluded.