	MOTORCYCLE PARTS NEWS	NUMBER 359 PAGE 1 of 1
	YAMAHA INTERNATIONAL CORPORATION BUENA PARK, CALIFORNIA 90620 DATE 12/29/72

TX750 ROTOR COVER, Design Modification

Rotor Cover, Ref. 11-19, Part Number 341-13452-00-00, design has been changed to stop oil leakage into ignition point area. See drawing below.

PARTS ORDERING

REF. NO OLD PART NUMBER NEW PART NUMBER DESCRIPTION QTY. "A" PRICE
EACH

11-19-1 0 341-13450-00-00 COVER ASSY.* 1

11-19 341-13452-00-00 .341-13452-01-00 COVER Rotor 1

11-20 932-10461-74-00 . (no change) O-RING 2

11-21 931-02111-03-00 .931-01110-63-00 OIL SEAL 1-2

*Note: New Cover Assembly includes Ref. Nos. 19~21.
New Cover designed to hold two oil seals, Ref. No. 11-21.
Old parts discontinued. New Parts, 11-19~11-21, not available
individually until 3/20/73.

REF. NO	OLD PART NUMBER	NEW PART NUMBER	DESCRIPTION	QTY.
11-19-1	0	341-13450-00-00	COVER ASSY.*	1
11-19	341-13452-00-00	.341-13452-01-00	COVER Rotor	1
11-20	932-10461-74-00	. (no change)	O-RING	2
11-21	931-02111-03-00	.931-01110-63-00	OIL SEAL	1-2
*Note: New Cover Assembly includes Ref. Nos. 19~21. New Cover designed to hold two oil seals, Ref. No. 11-21. Old parts discontinued. New Parts, 11-19~11-21, not available individually until 3/20/73.

INTERCHANGEABILITY

The assembly is interchangeable as a set only.

AFFECTED MACHINES

Change occurred on production units Engine No. 341-015512~.

SERVICE AND WARRANTY INFORMATION

      See also M/C SNB #302, #302A, #305. Any unit exhibiting leakage must have
      the above Assembly installed. Standard Warranty procedure. Job Code #8100
      Time - 1.1 hours. Problem Code #90-A.

PLEASE BRING YOUR PARTS LISTS UP-TO-DATE!