JE Pistons
Fitment:
-16-22 KTM 250 SX-F
-16-22 Husqvarna FC250
Bore Size: 78mm (Stock Bore).
Pro Series Pistons feature lightweight boxed forging. Forgings also feature additional bracing. Pistons are machined to have ultra flat ring groove (which improves ring stability, reduces ring flutter, and improves ring seal capability). Pistons also feature low friction skirt design.
Replacement Components are available, please see below.
Includes:
-JE Forged Piston
-JE Piston Ring Pack
-JE DLC Coated Wrist Pin
-1 Set of JE Piston Pin Clips
Piston Specs:
78mm 14.5:1 Pistons (366506):
-Bore Diameter: 78.00mm
-Piston Head Type: Dome
-Piston Dome Volume: -1.3cc's
-Cylinder Head: 250SXF
-Compression Height: 0.770"
-Piston Pin Outside Diameter: 0.630"
-Piston Pin Length: 1.500"
-Piston Pin Material: 9310 Steel DLC Coated
-Ringset Included: No
-Top Compression Ring Thickness: 0.032"
-Oil Ring Thickness: 0.060"
-Piston Material: 2618 Aluminum Forged
-Forging Type: FSR
-Pin Wall Thickness: 0.140"
Pistons are a 2-Ring Piston Design. 2-Ring Piston Design allows for lighter weight piston assembly and less piston to cylinder wall friction due to less piston rings.
Replacement Components:
Replacement Ring Pack:
-7800MC
Replacement Wrist Pin:
-630-1500-14-93C. Upgraded DLC Wrist Pin Available, JE Part #:630-1500-14-9DC.
Replacement Wrist Pin Clips:
-630-050-MW
