Lotus Service Bulletin

Class	111
Number	1973/25
Type	+2S 130/5
Date	08.10.73

Title:	Lotus 5-speed Gearbox - Oversize Bearings.
Reason:	To advise Dealer personnel of recommended procedure following gearbox overhaul.
Action:	BEFORE DISMANTLING the gearbox, check the underside adjacent to the Serial Number for the letters "OS', this indicating there is one, or more, oversize bearings fitted in the gearbox. WHEN DISMANTLING the gearbox, note that where Over-size bearings are used, the letters OS together with the amount of increase, i.e., ' .001', ' .002', etc. will be stamped adjacent to the bearing bore. Oversize bearings are available under the following Part Numbers: Standard .001 IN .002 IN .003 IN .004 IN A050 F 6070Z A050 F 6071Z A050 F 6072Z A050 F 6073Z A050 F 6017Z A050 F 6025Z A050 F 6070A A050 F 6071A A050 F 6072A A050 F 6073A A050 F 6017A A050 F 6025A A050 F 6070B A050 F 6071B A050 F 6072B A050 F 6073B A050 F 6017B A050 F 6025B A050 F 6070C A050 F 6071C A050 F 6072C A050 F 6073C A050 F 6017C A050 F 6025C A050 F 6070D A050 F 6071D A050 F 6072D A050 F 6073D A050 F 6017D A050 F 6025D