big bore cylinder barrel kit rieju rr50 rr 50 1997 2002 Honda XR75 If you have a weak

If you have a weak spark on your Kawasaki ZX-9R then the coils could be the culprit and it's a good idea to get some new coils on the bike

To replace OEM: 17210-K77-V00

or ask us and we can direct you to the 100mm mounting coils

To replace: 39P-W0045-00

big bore cylinder barrel kit rieju rr50 rr 50 1997 2002 Honda XR75 If you have a weakBrand new big bore cylinder barrel kit to fit: Rieju RR 50 Catsrol (1999 2002). Rieju RR 50 Spike (1998 2002). Rieju RR 50 Spike Pro (2002). Rieju RR 50 Thunderfire (1997 2002). This cylinder kit has been manufactured to replace the original top end on an Rieju RR50 for the years and models shown above. The kit includes: cylinder barrel jug head piston kit gaskets To upgrade the original from 50cc to 70cc. 47mm bore. To replace OEM: TBC.