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Thrust Washer For 1275 Primary Gear .112 Mini & Mini Cooper

Thrust Washer For 1275 Primary Gear .112 Mini & Mini Cooper

Thrust Washer For 1275 Primary Gear .112 Mini & Mini Cooper
Primary gear thrust washers are made in varying sizes to take up the play. Standard gap size should be between 3-6 thou. See DAM6486, DAM6487, DAM6488, DAM6489 and DAM6492 for alternatives. This type is for the 1275cc crankshaft only which has a raised step for the primary gear to sit on. Race applications can be increased plus 3 thou. Thrust washer 0.112-114”(2.84-2.89mm). The measurement is taken as plus or minus one to the size hence the two thou tolerance on each part number.
Related Technical Articles:
ENGINE TRANSPLANTS - Engine to gearbox fitment
Created: November 01, 2000
Assembling the engine to gearbox (transmission) is explained and simplified in this article. Contrary to popular mis-guidance, all BBUs will fit all four-syncro gearboxes. It was only the three-syncro boxes that varied in casting dimensions causing hassles where 1275s were applied to 850/998 gearbox casings. The longer throw and bigger crank and rod assembly dimensions fouled the sculpted areas in the gearbox case,
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