ITEM DESCRIPTION: NOS Yamaha Tachometer. 
Yamaha Part #s 1T3-83540-00-00, 1J7-83540-00-00, 2M1-83540-F0-00.

NOTE: This is the super rare tach with only the high beam indicator (early models also had a brake lining warning light).

Model   Year Notes

XS650D    1977 Standard XS650 model
XS650E    1978 Early production XS650E (up to engine no. 006501)
XS750D    1977 Triple-cylinder XS750
XS750-2D  1977     Variant of the XS750 with same gauge