Yamaha IT425

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1980-Yamaha-IT425-Blue-3510-0.jpg
Yamaha IT425
Manufacturer
Production 80
Class Enduro
Predecessor Yamaha YZ400
Successor Yamaha IT465
Engine
425
Top Speed 65 mph
Spark Plug NGK B8EV '80
Final Drive Chain: 520x102 ‘80[1]
Front Sprocket 14T ‘80[1]
Rear Sprocket 46T ‘80[1]
Front Tire 3.00-21 '80
Rear Tire 6705 '80
Weight
Recommended Oil Yamalube 10w-40
Related Yamaha IT125
Yamaha IT175
Yamaha IT200
Yamaha IT250
Yamaha IT350
Yamaha IT400
Yamaha IT425
Yamaha IT465
Yamaha IT490
Yamaha IT500
Yamaha TT250
Manuals Service Manual



The Yamaha IT425 was an enduro motorcycle produced by Yamaha only in 1980. The engine for this machine was the ill fated 1979 YZ400. The bore was increased from 82mm to 85mm (the common size for previous YZ400s) which gave this engine more life than the YZ400 that it was spawned from.

1980 IT425 G[edit]


12" ground clearance at 245 lbs.color was called Sky Blue.

References[edit]

  1. 1.0 1.1 1.2 2019 Western Power Sports Catalog. Western Power Sports. 2019.