Cometic C8240 Base Gasket Yamaha FJ1100/FJ1200 84-93 Copper 3.460" Bore

The Cometic C8240 is a precision-engineered copper base gasket designed specifically for Yamaha FJ1100 (1984-1985) and FJ1200 (1986-1993) motorcycles. This gasket features a 3.460-inch bore diameter and .005-inch thickness, providing an optimal seal between the cylinder and crankcase.

Key Features:

• Premium copper construction for superior heat dissipation and conformability
• 3.460-inch bore diameter for precise fitment
• .005-inch thickness allows for fine-tuning compression ratios
• Direct replacement for OEM base gaskets on FJ1100 and FJ1200 models
• Manufactured to strict tolerances for reliable sealing performance

Cometic gaskets are known throughout the powersports industry for their quality construction and reliable performance. The copper material provides excellent heat transfer properties while conforming to slight surface imperfections for a leak-free seal. This base gasket is essential for engine rebuilds, cylinder re-torquing, or any maintenance requiring cylinder removal.

Applications: Yamaha FJ1100 (1984-1985), Yamaha FJ1200 (1986-1993)