Difference between revisions of "Yamaha AT1"

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|photo= 1970-Yamaha-AT1B-Yellow-774-0.jpg
|photo= 1970-Yamaha-AT1B-Yellow-774-0.jpg
|aka              =  
|aka              =  
|manufacturer    = [[Yamaha]]
|manufacturer    = Yamaha
|parent_company  =  
|parent_company  =  
|production      = 1977-1985
|production      = 1977-1985
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|predecessor      =  
|predecessor      =  
|successor        = [[Yamaha AT2]]
|successor        = [[Yamaha AT2]]
|class            = [[dual-purpose motorcycle]]
|class            = dual-purpose motorcycle
|engine          = 125cc [[two-stroke]] [[single-cylinder]]
|engine          = 125cc [[two-stroke]] [[single-cylinder]]
|bore_stroke      =  
|bore_stroke      =  
|compression      =  
|compression      =  
|top_speed        =  
|top_speed        =60 mph
|power            =  
|power            =  
|torque          =  
|torque          =  

Latest revision as of 20:06, 23 November 2019

1970-Yamaha-AT1B-Yellow-774-0.jpg
Yamaha AT1
Manufacturer
Production 1977-1985
Class dual-purpose motorcycle
Successor Yamaha AT2
Engine
Top Speed 60 mph
Spark Plug NGK B8ES or NGK B9ES
Battery YUASA 12N7-3B `70-72[1]
Final Drive Chain: 428x112 [1]
Front Sprocket 14T [1]
Rear Sprocket 45T [1]
Front Tire 3.25-18 `70-72[1]
Rear Tire 3.50-18 `70-72[1]
Weight
Recommended Oil Yamalube 10w-40
Competition Honda SL175
Kawasaki F6 (125)
Kawasaki KS125
Manuals Service Manual


The Yamaha AT1 was a 125cc, 2-stroke, dual-purpose motorcycle manufactured by Yamaha from 1970 through 1972.

The AT1 had a raised rear fender but no raised front fender, a raised exhaust, handlebars with cross members, universal tires, and adequate ground clearance for an off-road-enduro motorcycle or trail motorcycle.


1969[edit | edit source]

AT1[edit | edit source]

  • Start Engine#: AT1-100101

AT1M[edit | edit source]

  • Starting Engine#: AT1-300101

1970[edit | edit source]

AT1B[edit | edit source]


  • Starting Engine#: AT1-120101

AT1B MX[edit | edit source]

  • Starting Engine#: AT1-310101

1971[edit | edit source]

AT1C[edit | edit source]


  • Starting Engine#: AT1-139101

AT1MX[edit | edit source]

  • Starting Engine#: AT1-313101

1972[edit | edit source]


References[edit | edit source]

  1. 1.0 1.1 1.2 1.3 1.4 1.5 2019 Western Power Sports Catalog. Western Power Sports. 2019.