YAMAHA
REF 15503 Original Size: 56 × 54 (133 cc) Big bore Size: 62 × 54 (163 cc)
YAMAHA Platforms
| Model | YAMAHA RXZ135 YAMAHA RXZ135 |
|---|---|
| Reference | 15503 |
| Platform / Series | YAMAHA Platforms |
| Country of origin | Taiwan |
| Original size | ø56 × 54 mm — 133 cc |
| Big bore size | ø62 × 54 mm — 163 cc |
| Displacement gain | +30 cc (+22.6%) |
| Manufacturer specification | Original Size: 56 × 54 (133 cc) Big bore Size: 62 × 54 (163 cc) |

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