K1Racing - Worldwide parts supply for road racing motorcycles

RS125GP new & used parts
Worldwide race parts supply

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.

Information on ordering from K1 Racing 

ID Details Condition Price AUD Image
NX4-NK4K

2006 model HRC kit cylinder(flat head piston)

and cyl head, come with 6 nuts & washers

also three used

 Sold 2017 Nov

NF4-090 1990 model Sold 2017 Sep

NX4-096 1996 model STD used $435

NX4-B

2004 model 5 studs kit cylinder

 Kit used all most new $1800

JL-NX4 Con Rod kit for HRC STD crankshaft rebuild New $585
JP-NX4

Con-rod kit from Japan, rebuild kit for HRC STD

crankshaft. more details click here.

 New $305