Yamaha AT-1 1968

Yamaha AT-1 Pictures, Motorcycle Photos, Specifications, Parts and Price

Following the big hit of Yamaha DT-1 released in the previous year, the trail model was developed in a series with the same concept design. With its powerful 125cc engine with 5 ports, return-type 5-speed transmission, tough and lightweight double cradle frame, and Ceriani-type front fork, it has further expanded the range of off-road enthusiasts with outstanding running performance.

Overall length x width x height: 1,960mm x 890mm x 1,090mm. Vehicle weight: 95kg. Engine model: Air-cooled, 2-stroke, single-cylinder, 123 cm³. Maximum output: 8.5kW (11.5PS) / 7,500r / min. Maximum torque: 11.5N ・ m (1.17kgf ・ m) / 6,000r / min

1969 Yamaha AT1
1969 model Yamaha AT1 photo.

Yamaha AT-1 Parts and Accessories

You might also interested to check the price of spare parts or accessories for Yamaha AT-1 motorbike. The Yamaha KT100 is a 100 cc two-stroke cycle kart engine made by Yamaha that has also been adapted for ultralight aircraft use.

  • Yamaha AT1 AT2 AT3 Rear Turn Signal Set L/R New - .
    Yamaha Rear Winker Turn Signal L/R Set New **Blub 6v.**.
    For : AT1 AT2 AT3.
    The body made from Plastic with Chrome. Screw thread 10 mm.. CSI Group. Orange. TSR-YL2
  • Fuel Tank Valve Petcock Yamaha DT1 DT100 DT125 DT175 DT250 DT360 DT400 Yamaha AT1 AT2 AT3 CT1 CT2 CT3 DT1 DT100 DT125 DT PC20 - .
    Yamaha DT1 DT100 DT125 DT175 DT250 DT360 DT400 Yamaha AT1 AT2 AT3 CT1 CT2 CT3 DT1 DT100 DT125 DT. PCC MOTOR. .
  • New Yamaha Gas Fuel Petcock Valve Switch For AT1 AT1M AT3 ATMX - .
    Brand New!!.
    High Quality!!.
    Fast Shipping!!. A-Z Moto. .
  • New Engine Oil Seal Kit Set for Yamaha AT1 CT1 CT2 CT3 - .
    Made From High Quality Material.
    Performs Better Than OEM Quality.
    Long Lasting. Rusty Riders. . ga-mc-5480
  • New Speedo Speedometer Cable For Yamaha AT1 1969 1970 1971 CT1 1970 1971 - .
    Made to exceed the quality and function of OEM cables.
    Replace old worn out cables for a fraction of the price of OEM.
    In Stock and ready to ship!. Rusty Riders. . co-rr-0787
  • 1969-1971 Yamaha AT1 Enduro 125 Clutch Cable - $23.78.
    . Volar Motorsport, Inc. .
  • Kensun HID Kit Computer Warning Canceller & Anti Flicker (1 Pair) - $99.99.
    #1 Customer Service & Quality, HID Xenon Anti-Flicker Warning Cancellers.
    Easy and Simple installation. Usually takes less than 20 minutes! "Plug-and-Play" in most vehicles. Some vehicles may need professional installation. The manufacturer provides free full technical support with hundreds of thousands of satisfied users. The Kensun friendly and experienced team is happy to help you with any questions or issues with the installation..
    Includes: pair of warning-cancellers. Kensun. .
  • Mobil 1 M1MC-134 Motorcycle Oil Filter - .
    High efficiency - removes up to 99.9 percentage of contaminants.
    High capacity - advanced synthetic fiber blend holds more dirt than a leading conventional oil filter.
    Steel center tube provides added internal strength. Mobil 1. Black. M1MC-134
  • Dynatek 3000 Series Ignition D3K7-1 - $292.99.
    8 selectable advance curves and rev limits.
    Status LED indicates power up, pickups, TPS (throttle position sensor) and MAP sensor operation where applicable.
    Easier starting. Dynatek. .
  • Rugged Ridge 63210.01 Black Neoprene Seat Cover for Yamaha Rhino - Pair - $130.99.
    Wetsuit Neoprene.
    Protects seat from dirt, water and sweet. Rugged Ridge. Black. 63210.01
  • Headlight, meter position ball replacement. Two-stroke oil change. Come to the store in 4th speed without increasing the engine speed in the middle and high speed range.
    First, replace the headlights and meter position balls.
    Kick start
    Total amount: 4,800 yen

Yamaha AT-1 Specifications

Following the Yamaha Trail 250DT1, the Yamaha Trail 125AT1 was newly introduced in the 1969 model. An authentic trail that almost follows the DT1 in terms of styling and concept. The same 2-stroke single-cylinder 123cc engine as the A7 was mounted on the double cradle frame. As with the DT1, the AT1 has become a motocross racer specification by using GYT (genuine Yamaha tuning) parts. Here the basic specs of Yamaha AT-1 classic motorcycle.

  • Type Grade name AT1
  • Release year 1968
  • Release month 12
  • Destination / Specifications Domestic model
  • Overall length (mm) 1960
  • Overall width (mm) 890
  • Overall height (mm) 1090
  • Dry weight (kg) 95
  • Riding capacity (name) 2
  • Motor type 2 stroke
  • Number of cylinders 1
  • Cylinder arrangement Single cylinder
  • Cooling method Air cooling
  • Displacement (cc) 123
  • Inner diameter (cylinder bore) (mm) 56
  • Stroke (piston stroke) (mm) 50
  • Compression ratio (: 1) 7.1
  • Maximum output (PS) 11.5
  • Maximum output speed (rpm) 7500
  • Maximum torque (kgf ・ m) 1.17
  • Maximum torque rotation speed (rpm) 6000
  • Fuel supply system carburetor
  • Engine start method Kick starter type
  • Engine lubrication method Separate lubrication (2 stroke)
  • Clutch type Wet / multi-plate
  • Transmission type Return type, 5 speeds
  • Transmission / operation method Foot shift
  • Gear ratio 1st speed 3.183 / 2nd speed 2.000 / 3rd speed 1.368 / 4th speed 1.000 / 5th speed 0.800
  • Power transmission method chain
  • Frame model double cradle
  • Suspension system (front) Telescopic fork
  • Suspension system (rear) Swing arm system
  • Number of shock absorbers (after) 2
  • Tire (front) 3.00-18
  • Tire (front) Structure name Bias
  • Tire (front) ply rating 4PR
  • Tire (front) type tube tire
  • Tire (rear) 3.25-18
  • Tire (rear) Structure name Bias
  • Tire (rear) ply rating 4PR
  • Tire (rear) type Tube tire
  • Headlight rating (Hi) 25W / 25W
  • Speedometer display format analog
  • Meter display: Engine tachometer Yes

Yamaha AT-1 Price

Selling price (at that time): ¥ 145,000
* All the explanations and specifications of each model are as of the time of sale.


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