PISTON KIT FJ, XJR1200 79.00 WISECO 4552M07900 ROAD YAMAHA

Part No. 56-W9739.7900
YAMAHA FJ1100 1985 [Resleeving and case cleanup],
YAMAHA FJ1200 1986-1993,
YAMAHA XJR1200 1995-1999 [Cylinder boring only],
WISECO 4552M07900 PISTON KIT 79.00mm Bore.

Wiseco Pistons included in these assemblies are the same great pistons you can buy from us individually and are forged and machined in the USA to receive a full compliment of power enhancing features. Light weight forgings, millimeter ring packs, extra-strength forgings, gas ports, optimized skirt profiles, skirt coatings, offset pins, and a variety of other features are available depending on your application. Our sport compact pistons come with the Nitride

Steel top and Napier 2nd XX ring packs for the ultimate in sealing and durability.
RING SET 3110XG