3001 Progress Road · Madison WI 53716 · (608) 224-2524

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CR 265R Big Bore

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CR 265R Big Bore

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Availability: In stock.

$950.00

Quick Overview

CR 265 Specifications:

Fits 1997-2007 CR250R

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$950.00
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Product Description

Bore: Yes
Stroke: No
Actual Displacement = 265.34cc

Engine Modifications Required:
Cylinder: Bore, Port and Replate with Apticote 2000 ceramic bore coating.
Power Valves: Machined to match big bore ports.
Head: Rechamber to work with the Big Bore piston. 100 octane suggested for most conditions.
Crankshaft: No crank mods required.
Crankcase: No crankcase mods required.
Blueprint: Calculate deck height, squish clearance, trapped volume, port timing and compression ratio and list on your perminant Spec-Sheet. (Some operations with install only)

Notes: This kit requires you to send us your cylinder, head, and powervalves for modification.

Notes: Core parts subject to inspection before credits will be issued.
 


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