Piston With Rings - General
B36 ENGINE (COOPER BASE):
PISTON WITH RINGS AND BOLTS SPECIFICATION
| B36 (1.5L) Piston and pin are paired to each other - replace together only. |
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| Piston diameter at measuring point "A" (see illustration) | mm | 10 |
| Nominal dimension of piston diameter | mm | 81.958... 81.996 |
| Piston installation clearance (piston new) | mm | 0.03...0.17 |
| Piston installation clearance (piston worn) | mm | 0.03...0.20 |
| Permissible total wear tolerance between piston and cylinder (engine operated) |
mm | 0.25 |
B46 AND B48 ENGINES (COOPER S AND JCW):
PISTONS WITH RINGS AND PINS SPECIFICATION (1 OF 2)
| Piston and pin are paired to each other -replace together only. | ||
| Piston diameter at measuring point "A" | mm | |
| Original (new dimension) | mm | 81.978... 82.016 |
| Repair stage (new dimension) | mm | |
| Oversize (new dimension) | mm | |
| Piston installation clearance (piston new) | mm | 0.03...0.17 |
| Piston installation clearance (piston worn) | mm | 0.2...0.20 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | mm | 0.25 |