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40mm piston diameter
Honda CBX 750 F (RC17) (1984-1986)
Kawasaki KZ / Z 440 B1-B2 (1980-1981)
Small End Bearing (you may need to reuse your old small end bearing on some models) and Gudgeon Pin
Yamaha PW 50 (1981-2021)
Oil Pump Injector Yamaha PW50 PW 50 (1981-2021) Honda CB50 40mm piston diameterBrand New Oil Pump Injector to fit: Yamaha PW 50 (1981 2021). This oil pump has been specifically manufactured to replace the original oil pump on a Yamaha PW50. It may also replace the oil pump on Chinese copies PY 50 Piwi Peewee 50cc etc. To replace OEM: 3L5 13101 01 3L5 13101 00. FREE UK DELIVERY! With express options available which can be selected at checkout. Worldwide delivery available.