Gregory Bender

Handlebar switch - Yamaha YHA 205

Moto Guzzi V700, V7 Special, Ambassador, 850 GT, 850 GT California, Eldorado, and 850 California Police models



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Buy a wiring harness for this switch

I extracted this information from Leon Karlak off of the old Yahoo! Loopframe_Guzzi news group (which has now moved to

Any 22 mm or 78 inch handlebar switch can be fitted, but period correct switches are more difficult to find. Fortunately, Yamaha still has a nice unit available. Drop by your local Yamaha dealer and pick up part number 396-83972-11-00 (YHA205). This switch was originally fitted to the 1970's RD 125.

Charles Hamer was kind enough to send me the wiring code cross-reference to make installation on our V700, Ambassador, and Eldorado models quick and easy.

Yamaha handlebar switch YHA205 / YHA 205 / YHA-205.
Yamaha handlebar switch YHA205 / YHA 205 / YHA-205.

Photo courtesy of eBay auction.

Function Yamaha YHA 205 Moto Guzzi
Horn (wire to distribution panel) Pink Black
Right turn signal / turn indicator Dark Green Yellow or white/black
Turn signal / turn indicator (live wire from fuse panel; goes through flasher unit / blinker unit) Brown & White Purple
Left turn signal / turn indicator Dark Brown Yellow with black tracer
Running lights / parking lights (tail light, gauge illumination lights, etc.) Blue Gray with red tracer
Headlight high beam Yellow Green with black tracer
Live wire from fuse panel Red & Yellow (can be faded, look close) Brown
Headlight low beam Green Green