Billet 1200cc Engine

For maximum effect our billet power valve is 1/2 inch wider than stock 800 Yamaha to regulate the huge exhaust port. A great feature is pins through the bellow caps to monitor power valve action.

Rear mounts anodized billet 6061, front 3/16" steel nickle plated.

Transfer profile CNC'd for perfect cylinder match.

Base 1200cc package includes:

2 Billet Cylinders
2 98mm Pistons
Billet Head
2 Domes
New CNC'd cases
True and Welded Crank
2 Power Valves Assemblies
Engine Mounts
Exhaust System
Intake Manifolds
Orings and Hardware

Please Call for details.