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10-15 Honda CRF250R JE 76.8mm Stock Bore Pro Series Piston Kit

JE PISTONS

MSRP: $265.67
$191.00
(You save $74.67 )
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SKU:
124-027-101-29151
Availability:
Usually Ships in 24 Hours
Shipping:
Calculated at Checkout
Manufacturers Part #:
291515 (13.2:1), 291516 (13.8:1), 291517 (14.2:1)
Replacement Parts:
Replacement Parts are Available for these Pistons, Please See Description Below.
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JE Pistons

Fitment:
-10-15 Honda CRF250R

Bore Size: 76.8mm (Stock Bore)

Replacement Components are available, please see below.

Includes:
-JE Forged Piston
-JE Piston Ring Pack
-JE Wrist Pin
-1 Set of JE Piston Pin Clips

Pro Series Pistons Feature an Internally and Externally Braced Windowed Boxed Forging for improved strength and allowing lightweight piston construction. Also features Ultra Flat Ring Grooves for improved ring stability and ring seal. Pistons also feature Moly Skirt Coating.

Piston Specs:

76.8mm 13.2:1 Pistons (291515):
-Bore Diameter: 76.79mm
-Piston Head Type: Dome
-Piston Dome Volume: -0.7cc's
-Cylinder Head: CRF250 10-14
-Compression Height: 0.749"
-Piston Pin Outside Diameter: 0.630"
-Piston Pin Length: 1.650"
-Piston Pin Material: 9310 Steel
-Ringset Included: Yes
-Top Compression Ring Thickness: 0.032"
-Oil Ring Thickness: 0.0585"
-Piston Material: 2618 Aluminum Forged
-Forging Type: FSR
-Piston Avg Weight: 147 g
-Pin Wall Thickness: 0.120"

76.8mm 13.8:1 Pistons (291516):
-Bore Diameter: 76.79mm
-Piston Head Type: Dome
-Cylinder Head: CRF250 10-14
-Compression Height: 0.749"
-Piston Pin Outside Diameter: 0.630"
-Piston Pin Length: 1.650"
-Piston Pin Material: 9310 Steel
-Ringset Included: Yes
-Top Compression Ring Thickness: 0.032"
-Oil Ring Thickness: 0.0585"
-Piston Material: 2618 Aluminum Forged
-Forging Type: FSR
-Piston Avg Weight: 149 g
-Pin Wall Thickness: 0.120"

76.8mm 14.2:1 Pistons (291517):
-Bore Diameter: 76.79mm
-Piston Head Type: Dome
-Piston Dome Volume: -0.5cc's
-Cylinder Head: CRF250 10-14
-Compression Height: 0.749"
-Piston Pin Outside Diameter: 0.630"
-Piston Pin Length: 1.650"
-Piston Pin Material: 9310 Steel
-Ringset Included: Yes
-Top Compression Ring Thickness: 0.032"
-Oil Ring Thickness: 0.0585"
-Piston Material: 2618 Aluminum Forged
-Forging Type: FSR
-Piston Avg Weight: 151 g
-Pin Wall Thickness: 0.120"

110+ Octane Race Fuel is Recommended (required for 13.8:1 & 14.2:1 Piston) for the Above Pistons. Minimum 100 Octane for 13.2:1 Piston, 110+ Octane Minimum required for 13.8:1 & 14.2:1 Piston.

Replacement Components:

Replacement Ring Pack:
-JG4801-3023 (Fits All Pistons)

Replacement Wrist Pin:
-630-1650-12-93C (Fits All Pistons)

Replacement Wrist Pin Clips:
-630-050-MW (Fits All Pistons)