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Idler gear shims for the Pre APlus gearboxes with 0.750"(19mm) size shafts , Quantity required per gearbox is 2 but idler gear shims require shimming for correct clearance 3-6 thou as per workshop manuals but 3 thou for road and 4 thou for race is found to be reliable
Classic Austin Mini Cooper Pre A+ Idler Gear Thrust Washer .136/7

Classic Austin Mini Cooper Pre A+ Idler Gear Thrust Washer .136/7

Classic Austin Mini Cooper Pre A+ Idler Gear Thrust Washer .136/7
Selected: .136" to .137"
Part No: 22A1548
$44.95
Qty:
Fits the following:
Classic Mini
Select variations below for more info:
Idler gear shims for the Pre APlus gearboxes with 0.750"(19mm) size shafts , Quantity required per gearbox is 2 but idler gear shims require shimming for correct clearance 3-6 thou as per workshop manuals but 3 thou for road and 4 thou for race is found to be reliable
Classic Austin Mini Cooper Pre A+ Idler Gear Thrust Washer .136/7

Classic Austin Mini Cooper Pre A+ Idler Gear Thrust Washer .136/7

Classic Austin Mini Cooper Pre A+ Idler Gear Thrust Washer .136/7
Selected: .136" to .137"
Part No: 22A1548
$44.95
Qty:
Fits the following:
Classic Mini
Select variations below for more info:
Idler gear shims for the Pre APlus gearboxes with 0.750"(19mm) size shafts , Quantity required per gearbox is 2 but idler gear shims require shimming for correct clearance 3-6 thou as per workshop manuals but 3 thou for road and 4 thou for race is found to be reliable
Recommended items for: 22A1548
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Related Technical Articles:
Classic Mini Idler gear - Setting end float
Created: December 04, 2001
A fairly crucial part of how the idler gear operates is its tolerances and running clearances. End float is a continual problem as folk often ignore it, and because many units left Rover with incorrect (usually too big) clearances.
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,