108mm Big Bore Kit - KTM 690 Gen 5 Performance Upgrade (692cc to 733cc)

108mm Big Bore Kit for KTM 690 Gen 5 - Ultimate Performance Upgrade

Transform your KTM 690 with this premium 108mm big bore kit that increases displacement from 692cc to 733cc. Engineered for bolt-on installation with OEM-type fitment, this kit delivers massive torque gains and improved power delivery across the entire RPM range.

Premium Components:

• CP-built piston with Mahle ring pack for reliability
• DLC coated piston pin for reduced friction
• Heavy milling to match the OEM piston weight, no balance needed
• Calico skirt coating for durability
• Cerakote cylinder with logo finish
• Manual cam chain tensioner included

Complete Kit Includes:

• Complete piston kit assembly
• Cylinder with cerakote logo
• Head gasket and base gasket
• New cylinder head bolts
• Manual cam chain tensioner
  

Proven Performance: See dyno chart for documented power and torque improvements.

Important Fitment: Only fits Gen 5 engines with counterbalancer in the head.

Core Exchange Note: If you select to send a core, your order will be held until that core is received, no exceptions.

Specifications: 8.5 lbs | SKU: 690108 | Origin: USA