11 25 Pistons with rings and pins - end clearance, side clearance
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.
B36 ENGINE (COOPER BASE):
PISTONS WITH RINGS AND PINS SPECIFICATION
| 1st groove | ||
| End clearance | mm | 0.15...0.30 |
| Side clearance | mm | 0.02...0.09 |
| 2st groove | ||
| End clearance | mm | 0.40... 0.60 |
| Side clearance | mm | 0.03... 0.10 |
| 3rd groove | ||
| End clearance | mm | 0.25... 0.75 |
| Side clearance | mm | 0.03... 0.18 |
B46 AND B48 ENGINES (COOPER S AND JCW):
PISTONS WITH RINGS AND PINS SPECIFICATION
| 1st groove | ||
| End clearance | mm | 0.15...0.25 |
| Side clearance | mm | 0.07...0.11 |
| 2nd groove | ||
| End clearance | mm | 0.30... 0.45 |
| Side clearance | mm | 0.07... 0.11 |
| 3rd groove | ||
| End clearance | mm | can't be measured |
| Side clearance | mm | can't be measured |