Fixing the oil pump on your Honda scooter may be a little bit above your skill level. Many issues that happen to a scooter are easy to fix, but an oil pump is a little bit harder. The Honda Scooter Parts needed to do this are not that expensive though. Here is what they will most likely cost you: 1) The Oil Pump $28 … 2) Oil Pump Rotor $19 … 3) Chain $11 … 4) Sprocket $8 … 5) Most other items you will need are under $1. These parts are pretty cheap, so if you can fix it yourself, you will save a lot of money on labor.