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Kit includes: Piston, rings (Riken/NP), circlips, and gudgeon pin
| Bore Size | 66.40mm |
|---|---|
| Crown Height | 29.00mm |
| Overall Length | 76.00mm |
| Dome Height | 2.50mm |
| G.P. Diameter | 18.00mm |
| Port Y/N | Y |
| Ring Peg Position | 13.50mm |
| Cutout Height | 20.00 |
| Notes | Also fits 99-22 YZ250 |
| Part # | Type | Stock | Price |
|---|---|---|---|
| 91.2320.A | Standard (Grade A) | 100 | £57.89 |
| 91.2320.B | Standard (Grade B) | 100 | £57.89 |
| 91.2320.C | Standard (Grade C) | 100 | £57.89 |
| 91.2320.D | Standard (Grade D) | 67 | £57.89 |
| 91.2320.05 | 0.50MM OVERSIZE | 64 | £57.89 |
| 91.2320.10 | 1.00MM OVERSIZE | 96 | £57.89 |
| 91.2320.15 | 1.50MM OVERSIZE | 100 | £57.89 |