JE Pro Series Pistons
Fitment:
-07-12 KTM 450 SX-F
-07-09 KTM 450 XC-F
-09-10 KTM 450SX
Bore Size: 97mm (Stock Bore).
Replacement Components are available, please see below.
Includes:
-JE Forged Piston
-JE Piston Ring Pack* (SOME OF THESE PISTONS USE OEM KTM PISTON RINGS, WHICH ARE NOT INCLUDED WITH THE PISTON)
-1 JE Wrist Pin
-1 Set of JE Piston Pin Clips
Piston Specs:
97mm 12.5:1 Pistons (260955):
-Bore Diameter: 97.00mm
-Piston Head Type: Flat
-Piston Dome Volume: -2.8 cc's
-Cylinder Head: 4 VALVE 450
-Piston Pin Outside Diameter: 0.748"
-Piston Pin Length: 2.050"
-Piston Pin Material: 9310 Steel
-Ringset Included: No (This Piston Uses OEM KTM Piston Rings, available here, Which are not included with this Piston)
-Top Compression Ring Thickness: 0.0285"
-Oil Ring Thickness: 0.0795"
-Piston Material: 2618 Aluminum Forged
-Forging Type: FSR
-Piston Avg Weight: 262 g
-Pin Wall Thickness: 0.160"
97mm 13:1 Pistons (260956):
-Bore Diameter: 97.00mm
-Piston Head Type: Dome
-Piston Dome Volume: -1.2 cc's
-Cylinder Head: 4 VALVE 450
-Piston Pin Outside Diameter: 0.748"
-Piston Pin Length: 2.050"
-Piston Pin Material: 9310 Steel
-Ringset Included: No (This Piston Uses OEM KTM Piston Rings, available here, Which are not included with this Piston)
-Top Compression Ring Thickness: 0.0285"
-Oil Ring Thickness: 0.0795"
-Piston Material: 2618 Aluminum Forged
-Forging Type: FSR
-Piston Avg Weight: 262 g
-Pin Wall Thickness: 0.160"
97mm 13.5:1 Pistons (260957):
-Bore Diameter: 97.00mm
-Piston Head Type: Dome
-Piston Dome Volume: 3 cc's
-Cylinder Head: 4 VALVE 450
-Piston Pin Outside Diameter: 0.748"
-Piston Pin Length: 2.050"
-Piston Pin Material: 9310 Steel
-Ringset Included: No (This Piston Uses OEM KTM Piston Rings, available here, Which are not included with this Piston)
-Top Compression Ring Thickness: 0.0285"
-Oil Ring Thickness: 0.0795"
-Piston Material: 2618 Aluminum Forged
-Forging Type: FSR
-Piston Avg Weight: 266 g
-Pin Wall Thickness: 0.160"
97mm 12.5:1 Pistons (308474):
-Bore Diameter: 97.00mm
-Piston Head Type: Flat
-Piston Dome Volume: -2.8 cc's
-Cylinder Head: 4 VALVE 450
-Piston Pin Outside Diameter: 0.748"
-Piston Pin Length: 2.050"
-Piston Pin Material: 9310 Steel
-Ringset Included: Yes
-Top Compression Ring Thickness: 0.048"
-Oil Ring Thickness: 0.0795"
-Piston Material: 2618 Aluminum Forged
-Forging Type: FSR
-Piston Avg Weight: 260 g
-Pin Wall Thickness: 0.160"
97mm 13:1 Pistons (308475):
-Bore Diameter: 97.00mm
-Piston Head Type: Dome
-Piston Dome Volume: -1.2 cc's
-Cylinder Head: 4 VALVE 450
-Piston Pin Outside Diameter: 0.748"
-Piston Pin Length: 2.050"
-Piston Pin Material: 9310 Steel
-Ringset Included: Yes
-Top Compression Ring Thickness: 0.048"
-Oil Ring Thickness: 0.0795"
-Piston Material: 2618 Aluminum Forged
-Forging Type: FSR
-Piston Avg Weight: 262 g
-Pin Wall Thickness: 0.160"
97mm 13.5:1 Pistons (308476):
-Bore Diameter: 97.00mm
-Piston Head Type: Dome
-Piston Dome Volume: 3 cc's
-Cylinder Head: 4 VALVE 450
-Piston Pin Outside Diameter: 0.748"
-Piston Pin Length: 2.050"
-Piston Pin Material: 9310 Steel
-Ringset Included: Yes
-Top Compression Ring Thickness: 0.048"
-Oil Ring Thickness: 0.0795"
-Piston Material: 2618 Aluminum Forged
-Forging Type: FSR
-Piston Avg Weight: 265 g
-Pin Wall Thickness: 0.160"
12.5:1 Piston will work well with 91+ Octane Pump Gas. 13:1 Piston Requires a minimum of 100+ Octane Fuel. 13.5:1 Piston requires 110+ Octane Fuel. Pistons are a 2-Ring Piston Design for lightweight racing applications.
Replacement Components:
Replacement Ring Pack:
-ZS9700 (Fits Piston Part #: 308474, 308475, 308476)
-OEM KTM Piston Rings (OEM KTM Part #'s: 77330030100 (Compression Ring) & 77330032200 (Oil Ring)) (Not Included with Piston, Must be purchased separately here) (Fits Piston Part #: 260955, 260956, 260957)
Replacement Wrist Pin:
-748-2050-16-93C (Fits All Pistons)
Replacement Wrist Pin Clips:
-748-050-MW (Fits All Pistons)
