YZF-R1 RACING KIT PARTS
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  • Basic engine kit
  • Optional parts for engine
  • Optional parts for chassis
  • Parts for Old model

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 M and N

M :  Spec change and interchangeable with previous model
N :  New 2017 parts, or no interchangealbe with previous model

Mission/ Gear Ratio

Basic engine parts
IMG 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.
2CR-12170-70 SHAFT CAM 1, (intake) Working angle and lift have been changed to improve output.
Cam-profile is changed. Use this camshaft together with kit valve spring set (2CR-70/71), air funnel set(2CR-1440B-70) and kit ecu. (2CR-70/71/72)
No other combination is allowed to use.
2CR-12180-70 SHAFT CAM 2, (exhaust)
2CR-12176-70 SPROCKET, CAM (intake & exhaust) This part is a sprocket for 2CR-12170/12180-70 SHAFT CAM.
*Each shaft cam needs dedicated sprocket.

2CR-A2110-71

VALVE SPRING SET Use this set together with kit camshaft (2CR-12170/12180-70), air funnel set (2CR-1440B-70) and kit ecu. (2CR-71/72)
No other combination is allowed to use.
RET., VALVE SPRING is newly included for BX41.
2CR-1440B-70 AIR FUNNEL SET This part is a set consists of a primary funnel and variable secondary funnel.
Use this air funnel set together with kit camshaft (2CR-12170/12180-70), and kit ecu.(2CR-8591A-71/72)
No other combination is allowed to use.
2CR-A4890-70 AIS PLUG SET These plugs need to be used when the AIS (Air Induction System) is removed.
2CR-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.
Use this WIRE HARNESS together with 2CR-8591A-70/71/72 ECU SET.
No other combination is allowed to use.

2CR-82386-70

WIRE, SUB-LEAD for TH INJECTOR This part is for repair 2CR-F2590-70 WIRE HARNESS SET.

2CR-82318-70

WIRE, SUB-LEAD for AC INJECTOR This part is for repair 2CR-F2590-70 WIRE HARNESS SET.

2CR-82309-70

WIRE, SUB-LEAD for IG.COIL This part is for repair 2CR-F2590-70 WIRE HARNESS SET.

2CR-8231Y-70

WIRE, LEAD for FUEL PUMP This part is for repair 2CR-F2590-70 WIRE HARNESS SET.

2CR-83553-70

WIRE, LEAD for METER This part is for repair 2CR-F2590-70 WIRE HARNESS SET.

2CR-8591A-72

ECU SET Enable to adjust the amount of fuel injection, ignition timing and etc, to use this ECU with kit wire harness.
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.
For SB, use this ECU together with std camshafts and valve springs or with (YEC)
2CR-12170/12180-70 SHAFT CAM and (YEC) 2CR-A2110-70/71 VALVE SPRING and 2CR-1440B-70 AIR FUNNEL SET
No other combination is allowed to use.
For ST, all the specs related to the engine need to be standard spec.
2CR-8533A-70 CABLE, INTERFACE The cable for connecting ECU to PC which is USB type.
The device driver of the cable interface is "Windows 8" correspond.
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