Cylinder Kit BIG BORE - YAMAHA YZ450F

ATHENA Cylinder kit BIG 

 (increased displacement) 

Bore:102 mm

Displacement:  496 ccm

Advantages:

• higher power and torque than standard
• improved materials
• improved cooling circuits
• improved cylinder service life thanks to galvanic coating
• improved runability and lubrication of the piston through special grinding and honing of the running surface
• Production on state-of-the-art machining centers
• Pistons specially matched to the cylinder
• Precisely fitting, high-quality seal set included
• Parts also available individually as spare parts

Scope of delivery:

• Cylinder
• Piston, pin and clips
• complete gasket set
  

Attention:

The crankcase must be bored open for installation!