Difference between revisions of "Yamaha AT1"

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(adding spark plug)
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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
Line 9: Line 9:
|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          =  
|ignition        =  
|ignition        =  
|spark_plug      = {{sparkplug|NGK B8ES}}
|spark_plug      = {{sparkplug|NGK B8ES}} or {{sparkplug|NGK B9ES}}  
|battery          =  
|battery          ={{battery|YUASA 12N7-3B}} `70-72<ref name="wps_street_2019">{{cite book|title=2019 Western Power Sports Catalog|publisher=[https://www.wps-inc.com/catalogs Western Power Sports]|date=2019}}</ref>
|transmission    =  
|transmission    =  
|final_drive      = {{chain|428x112}} <ref name="wps_street_2019" />
|front_sprocket  = 14T <ref name="wps_street_2019"/>
|rear_sprocket    = 45T <ref name="wps_street_2019"/>
|frame            =  
|frame            =  
|suspension      =  
|suspension      =  
Line 34: Line 37:
|fuel_capacity    =  
|fuel_capacity    =  
|oil_capacity    =  
|oil_capacity    =  
|recommended_oil= Yamalube 10w-40
|fuel_consumption =  
|fuel_consumption =  
|turning_radius  =  
|turning_radius  =  
|related          =  
|related          =  
|competition      = [[Honda SL175]]<br />[[Kawasaki F6|Kawasaki F6 (125)]]<br />[[Kawasaki KS125]]
|competition      = [[Honda SL175]]<br />[[Kawasaki F6|Kawasaki F6 (125)]]<br />[[Kawasaki KS125]]
|front_tire= {{tire|3.25-18}} `70-72<ref name="wps_street_2019">{{cite book|title=2019 Western Power Sports Catalog|publisher=[https://www.wps-inc.com/catalogs Western Power Sports]|date=2019}}</ref>
|rear_tire= {{tire|3.50-18}} `70-72<ref name="wps_street_2019">{{cite book|title=2019 Western Power Sports Catalog|publisher=[https://www.wps-inc.com/catalogs Western Power Sports]|date=2019}}</ref>
}}
}}



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.