Joe has for the last seven years done hundreds of hours of dyno and track testing, resulting in multiple Regional and National titles. Includes all required porting and machining to bring current motocross based motors to maximum shifterkart performance and reliability. Each motor gets a though inspection, then all components are brought up to Race Prep specifications, and professionally assembled. Price is based on Stock motor assembly supplied or purchased by customer, plus the purchase of any additional required parts. Includes a thorough teardown and inspection of all components, replacement of the required and worn parts and professional assembly.
Parts are additional.
From cylinder porting specifications based on extensive race knowledge to piston prep and sizing for proper clearances.