Yamaha 701 / 760 2-Stroke ADA Girdled Head Shell YA701M

Yamaha 701 / 760 2-Stroke ADA Girdled Head Shell YA701M

Made from 6061-T6 billet aluminum and CNC machined ADA Racing girdled cylinder head kits improve performance and reliability. O-ring seals and interchangeable domes allow you to easily change compression as required. Clear anodized for protection against corrosion. Head body, hardware kit, domes and exhaust pipe bracket sold separately.

Select dome size based on fuel octane. When using a dry pipe exhaust system, it is recommended using 1 dome size lower in compression. Must use BR8ES or BR9ES spark plugs, cannot use stock short reach plugs. Spark plugs not included