We have been supplying HRC parts for Honda GP RS125 & RS250 bikes since 1999.

We supply from Japan or Australia, mainly to Australia, New Zealand, USA and China, but we like to supply whoever has RS125 or RS250 bikes anywhere in the world.

Most parts are in stock in Japan and can be sent the next day by Express post from Japan.
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1993 SUZUKA GP  Honda NSR500 #56 Norick Abe
 2005 RS125 Australian champion ship

 

 Replacement parts info!! (copy from owner's manual)

 

DATA LOGGER KIT

Specification

Applied types:CBR600,VTR1000

Used electric source:12V(supplied from machine),supplied from USB when connected to USB

Consumed electric power:150mA/12V

Measuring items:

  • Engine speed (revolution)(r/min)
  • Throttle position (%)
  • Front wheel speed (Km/h)
  • Datonation 2 channels
  • Analogue (0~5V) signal 4 channels
  • Battery Voltage (V)
  • *Sampling time can be set at 5~300msec for each item.

Input signal:

  • Tacho meter signal
  • Throttle position signal
  • Front wheel speed signal
  • Detonation signal 2 channels
  • Analogue (0~5) signal 4 channels

Output signal

  • Shift-up indicator (option:does not come with kit)
  • Detonation indicator (option:does not come with kit)

Commnuicating method:USB (Universal Serial Bus) standard 1.1

Software for data analysis:To be supplied CD corresponding to English Windows98(include Se),Me and 2000

Wiring Diagram

Click here for bigger sheet.

 

 

Detonation Counter

This kit for single 2 stroke engine

or

twin 2 stroke engine

Power Jet Monitor

Operation
The powerjet monitor is a very useful tool for carburetor tuning using a detonation counter. The sensor provides a signal to the HRC data logger when the powerjet is on. This allows accurate tuning of powerjet size and cutoff rpm by comparing the actual powerjet operation with detonation. For example, you might see no detonation when the powerjet is on but detonation starts just as it cuts off. In this case you may have the correct size powerjet, but too early cutof

More details click here.

 

Jha Kit Parts replace parts here!!

A-Kit Piston Flat top ,Carbon reeds and Reed block,VHM head and insert

And Ex Chamber and Silencer

 

Carbon reed Valves for Jha reed block or HRC STD reed block

Shift drum, gear holder and position sensor

Ex pipe and Silencer

 Flat top A-Kit piston and 0.7 mm A-kit ring