1971 World Champion Yamaha Factory SR433 – Mike Trapp #C-41

YEAR: 1971
MANUFACTURER: Yamaha
MODEL: Factory SR433
ENGINE: Yamaha 433
OWNER: Leon and Penne Koch
  Crivitz, WI

FEATURES:

Restored.

Mike Trapp won the 1971 World Championship Snowmobile Derby in Eagle River on this machine.

There were 13 lead changes as Mike Trapp battled Yvon Duhamel and it was known as the “Most Exciting Derby Race In History.”