Basic engine kit | YZF-R1 | YEC Racing Parts

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This kit set is made to improve the engine performance for racing purpose.
This set is prepared within the FIM SBK Regulations as known at this current date.
*Each part should be ordered individually.

Definition of and

:	Spec change and interchangeable with previous model
:	New 2012 parts, or no interchangealbe with previous model

Mission/ Gear Ratio

NUMBER	NAME	DETAIL
14B-R465B-70	SPARK PLUG SET	Set of spark plugs R0465B-10 of NGK. (Semi-surface discharge)The set contains 4 plugs.
14B-11181-70	GASKET CYLINDER HEAD	This gasket is made to adjust the squish height.14B-11181-70: t =0.30 mm (Standard: t =0.40 mm)
14B-12170-71	SHAFT CAM 1	Working angle and lift have been changed to improve output. Cam-profile is changed.Use this camshaft together with kit valve spring set. Use this cam together with the spring. No other combination is allowed to use.
14B-12180-71	SHAFT CAM 2
14B-A2110-72	VALVE SPRING SET	Use this set together with kit camshaft. (14B-12170/12180-71)
MGC-021008-10	AIR FUNNEL SET A	This Air Funnel SET, which matches with 14B-12170/12180-70 KIT Camshaft, is the combination of MGC-021008-00 (Primary Funnel) and MGC-A220909-00 (Secondary Funnel).
MGC-021008-20	AIR FUNNEL SET B	This Air Funnel SET is the combination of New Primary Funnel and New Secondary Funnel, which match with 14B-12170/12180-71 Camshaft.
14B-1351A-70	THROTTLE BODY CLAMP SET	This part is used for easy disassembly of the throttle body from the engine.
5VY-A4890-70	AIS PLUG SET	These plugs need to be used when the AIS (Air Induction System) is removed.
4B1-A6330-70	CLUTCH SPRING SET	This parts is higher spring rate than standard springs.
14B-F1400-70	ACM SET	This is a small inner rotor type generator. ACM cover is included.

14B-15411-70	COVER CRANKCASE 1	This part is for repair

14B-15414-70	COVER CARBON	This part is for repair
1KB-F2590-70	WIRE HARNESS SET	This wire harness is designed for racing use, which is lighter weight than STD one. The connector for 2D data logging is included. The traction control function was added. Use this WIRE HARNESS together with 1KB-8591A-70 ECU SET. No other combination is allowed to use.
1KB-8591A-70	ECU SET	Enable to adjust the amount of fuel injection, ignition timing and etc, to use this ECU with kit wire harness. The traction control function was added. There are two types of basic control data for the ECU: SB (Superbike) and ST (SuperStock)CD-ROM, software manual and kit manual are included in this set. Use this ECU together with std camshafts and valve springs or with (YEC) 14B-12170/12180-71 SHAFT CAM and (YEC) 14B-A2110-72 VALVE SPRING. No other combination is allowed to use.
13S-8533A-71	CABLE INTERFACE	The cable for connecting ECU to PC which is USB type. The device driver of the cable interface is "Windows 7" correspond.