Difference between revisions of "Yamaha DT125"

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[[Image:1974-Yamaha-DT125-Red-1.jpg|right|thumb|280px|1974 Yamaha DT125 in Red]]
{{DISPLAYTITLE:{{PAGENAME}}: review, history, specs}}
The '''Yamaha DT175''' was a 125[[cc]], [[Two stroke|2-stroke]], [[dual-purpose motorcycle]] manufactured by [[Yamaha]] from 1974 through 1988.  
{{Motorcycle
|name            = Yamaha DT125
|photo            = 1974-Yamaha-DT125-Red-1.jpg
|aka              =
|manufacturer    = Yamaha
|parent_company  =
|production      = 1974 - 1981
|model_year      =
|predecessor      = 
|successor        = [[Yamaha DT125LC]]<br />[[Yamaha DT125R]]
|class            = Enduro
|engine          = 125cc [[four-stroke]] [[single cylinder]]
|bore_stroke      =
|compression      =
|top_speed        =65 mph
|power            =
|torque          =
|ignition        =
|spark_plug      = {{sparkplug|NGK B8ES}} 74-76, '78 - 81
|transmission    =
|frame            =
|suspension      =
|brakes          =
|tires            =
|rake_trail      =
|wheelbase        =
|length          =
|width            =
|height          =
|seat_height      =
|dry_weight      =
|wet_weight      =
|fuel_capacity    =
|oil_capacity    =
|oil_filter      = K&N KN-143
|recommended_oil= Yamalube 10w-40
|fuel_consumption =
|turning_radius  =
|front_tire = {{tire|3.00-19}} '74-75<br /> {{tire|2.75-21}}  '76-81
|rear_tire = {{tire|3.25-18}} '74-76 <br /> {{tire|3.50-18}} '78-81
|related = [[Yamaha DT100]] <br /> [[Yamaha DT175]] <br /> [[Yamaha DT250]]
|competition= [[Honda SL175]] <br />[[Kawasaki F6|Kawasaki F6 (125)]] and [[Kawasaki KS125]] <br />[[Harley-Davidson SX125]]
 
|battery= {{battery|YUASA 12N7-3B}} `74-75<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>
|final_drive= {{chain|428}} `74-75<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>
}}
 
The '''Yamaha DT125''' was a 125[[cc]], [[Two stroke|2-stroke]], [[dual-purpose motorcycle]] manufactured by [[Yamaha]] from 1974 through 1988 in the US.  Some derivatives are still sold in other markets to this day.
The model designation DT indicates that it is a 2-stoke off-road styled motorcycle, it had a raised exhaust, handlebars with cross members, universal tires, and adequate ground clearance for an off-road [[enduro]] motorcycle or trail motorcycle. The USA received the last DT125H in 1981.


The DT125 had a raised rear and front fender, raised exhaust, handlebars with cross members, [[universal tire]]s, and adequate ground clearance for an off-road-[[enduro motorcycle]] or trail motorcycle.  
The DT125 had a raised rear and front fender, raised exhaust, handlebars with cross members, [[universal tire]]s, and adequate ground clearance for an off-road-[[enduro motorcycle]] or trail motorcycle.  


==Main competitors==
When first launched the DT125 had a single cylinder, air-cooled, 2-stroke engine, a cradle style tubular steel frame, conventional telescopic front forks and dual shock swingarm rear suspension, and drum brakes front and rear. Over the years the model received numerous updates and restyles, the dates and specifications of which vary between different markets. Notable changes include the appearance of a single shock absorber rear swingarm in 1977, which Yamaha referred to as Mono-cross, or MX for short, a feature that appeared on many of Yamaha's other small and medium sized motorcycles at a similar time. In 1983 the DT125 received a major restyle and gained a liquid cooled engine to become the DT125LC. In 1985 the electrics were upgraded to 12v, the front brake drum was changed to a disc, and rising rate rear suspension was fitted with the introduction of the DT125LC mk3. Another restyle for 1987 gave us the DT125R, the most noticeable specification change from it's predecessor being the swap to a rear disc brake.
*[[Honda SL175]]
 
*[[Kawasaki F6|Kawasaki F6 (125)]] and [[Kawasaki KS125]]
==1974 DT125A==
*[[Suzuki]]
<gallery mode="packed-hover">
==1974 DT125==
File:yamaha-dt125-1974-1974-0.jpg|600px|1974 Yamaha DT 125
[[Image:1974-Yamaha-DT125-Red-0.jpg|left|thumb|1974 Yamaha DT125 in Red]][[Image:1974-Yamaha-DT125-Red-1.jpg|left|thumb|1974 Yamaha DT125 in Red]][[Image:1974-Yamaha-DT125-Red-2.jpg|left|thumb|1974 Yamaha DT125 in Red]][[Image:1974-Yamaha-DT125-Red-124-0.jpg|left|thumb|1974 Yamaha DT125 in Red]][[Image:1974-Yamaha-DT125-Red-124-1.jpg|left|thumb|1974 Yamaha DT125 in Red]][[Image:1974-Yamaha-DT125-Red-124-2.jpg|left|thumb|1974 Yamaha DT125 in Red]][[Image:1974-Yamaha-DT125-Red-124-3.jpg|left|thumb|1974 Yamaha DT125 in Red]][[Image:1974-Yamaha-DT125-Red-124-4.jpg|left|thumb|1974 Yamaha DT125 in Red]][[Image:1974-Yamaha-DT125-Maroon-2297-0.jpg|left|thumb|1974 Yamaha DT125 in Maroon]][[Image:1974-Yamaha-DT125-Maroon-2297-1.jpg|left|thumb|1974 Yamaha DT125 in Maroon]][[Image:1974-Yamaha-DT125-Maroon-2297-2.jpg|left|thumb|1974 Yamaha DT125 in Maroon]]
Image:1974-Yamaha-DT125-Red-0.jpg|1974 Yamaha DT125 in Red
<br style="clear: left"/>
Image:1974-Yamaha-DT125-Red-1.jpg|1974 Yamaha DT125 in Red
Image:1974-Yamaha-DT125-Red-2.jpg|1974 Yamaha DT125 in Red
Image:1974-Yamaha-DT125-Red-124-0.jpg|1974 Yamaha DT125 in Red
Image:1974-Yamaha-DT125-Red-124-1.jpg|1974 Yamaha DT125 in Red
Image:1974-Yamaha-DT125-Red-124-2.jpg|1974 Yamaha DT125 in Red
Image:1974-Yamaha-DT125-Red-124-3.jpg|1974 Yamaha DT125 in Red
Image:1974-Yamaha-DT125-Red-124-4.jpg|1974 Yamaha DT125 in Red
Image:1974-Yamaha-DT125-Maroon-2297-0.jpg|l1974 Yamaha DT125 in Maroon
Image:1974-Yamaha-DT125-Maroon-2297-1.jpg|1974 Yamaha DT125 in Maroon
Image:1974-Yamaha-DT125-Maroon-2297-2.jpg|1974 Yamaha DT125 in Maroon
</gallery>
*Starting Engine#: 444-000101
 
The Yamaha DT 125 model is a Enduro / offroad bike manufactured by Yamaha. The engine produces a maximum peak output power of 17.3 HP (12.9 Kw) @ 7000 RPM and a maximum torque of 14.00 Nm (10.00 ft.lbs) @ 7000 RPM.
 
==1975 DT125B==
<gallery mode='packed-hover'>
File:1975-yamaha-dt125-in-red-white-0.jpg|1975 Yamaha DT125 in Red / White
File:1975-yamaha-dt125-in-red-white-1.jpg|1975 Yamaha DT125 in Red / White
File:1975-yamaha-dt125-in-red-white-2.jpg|1975 Yamaha DT125 in Red / White
</gallery>
*Starting Engine#: 444-100101
 
==1976 DT125C==
*Starting Engine#: 560-000101
 
==1977 DT125==
The 1977 Yamaha DT 125 is an entry-level, road-legal, off-road machine that can just as well be used for a daily commute to and from work. It comes standard with features such as laced wheels, a dual seat, a telescopic front fork, dual shocks as a rear suspension, a high-mounted exhaust, knobby tires mounted on them, a blacked-out frame, and a round headlamp.
 
In the tech/engine department it sports an air-cooled, two-stroke, 123cc, single cylinder powerhouse mated to a four-speed manual transmission, and can produce 14 horsepower and 14 Nm of torque.
 
==1978 DT125E==
<gallery mode="packed-hover">
File:1978-Yamaha-DT125-Yellow-6767-0.jpg|left|thumb|1978 Yamaha DT125 in Yellow
File:1978-Yamaha-DT125-Yellow-6767-1.jpg|left|thumb|1978 Yamaha DT125 in Yellow
File:1978-Yamaha-DT125-Yellow-6767-2.jpg|left|thumb|1978 Yamaha DT125 in Yellow
File:yamaha-dt125-1978-1978-4.jpg|600px|1978 Yamaha DT 125
File:yamaha-dt125-1978-1978-3.jpg|600px|1978 Yamaha DT 125
</gallery>
 
*Start Engine#: 2A6-000101
 
==1979 DT125F==
<gallery mode='packed-hover'>
File:1979-yamaha-dt125-0.jpg|1979 Yamaha DT125
File:1979-yamaha-dt125-1.jpg|1979 Yamaha DT125
</gallery>
*Starting Engine#: 2N4-000101
 
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==1978==
==References==
[[Image:1978-Yamaha-DT125-Yellow-6767-0.jpg|left|thumb|1978 Yamaha DT125 in Yellow]][[Image:1978-Yamaha-DT125-Yellow-6767-1.jpg|left|thumb|1978 Yamaha DT125 in Yellow]][[Image:1978-Yamaha-DT125-Yellow-6767-2.jpg|left|thumb|1978 Yamaha DT125 in Yellow]]
{{reflist}}
<br style="clear: left"/>


==1988 DT125==
{{Yamaha}}
[[Image:1988-Yamaha-DT125-WhiteRed-0.jpg|left|thumb|1988 Yamaha DT125 in White/Red]][[Image:1988-Yamaha-DT125-WhiteRed-1.jpg|left|thumb|1988 Yamaha DT125 in White/Red]][[Image:1988-Yamaha-DT125-WhiteRed-2.jpg|left|thumb|1988 Yamaha DT125 in White/Red]]
<br style="clear: left"/>


[[Category:Yamaha motorcycles|DT125, Yamaha]]
[[Category:Yamaha motorcycles|DT125, Yamaha]]
[[Category:1970s motorcycles]]
[[Category:Dual purpose motorcycles]]
[[Category:Dual purpose motorcycles]]
[[Category:125cc displacement motorcycles]]
[[Category:125cc displacement motorcycles]]
Line 30: Line 252:
[[Category:Piston Inlet Port motorcycles]]
[[Category:Piston Inlet Port motorcycles]]
[[Category:Enduro-style motorcycles]]
[[Category:Enduro-style motorcycles]]
{{motorcycle-stub}}
[[Category:Enduro motorcycles]]
[[Category:1970s motorcycles]]
[[Category:1980s motorcycles]]

Revision as of 17:37, 29 November 2019

1974-Yamaha-DT125-Red-1.jpg
Yamaha DT125
Manufacturer
Production 1974 - 1981
Class Enduro
Successor Yamaha DT125LC
Yamaha DT125R
Engine
Top Speed 65 mph
Spark Plug NGK B8ES 74-76, '78 - 81
Battery YUASA 12N7-3B `74-75[1]
Final Drive Chain: 428 `74-75[1]
Front Tire 3.00-19 '74-75
2.75-21 '76-81
Rear Tire 3.25-18 '74-76
3.50-18 '78-81
Weight
Oil Filter K&N KN-143
Recommended Oil Yamalube 10w-40
Related Yamaha DT100
Yamaha DT175
Yamaha DT250
Competition Honda SL175
Kawasaki F6 (125) and Kawasaki KS125
Harley-Davidson SX125
Manuals Service Manual


The Yamaha DT125 was a 125cc, 2-stroke, dual-purpose motorcycle manufactured by Yamaha from 1974 through 1988 in the US. Some derivatives are still sold in other markets to this day. The model designation DT indicates that it is a 2-stoke off-road styled motorcycle, it had a raised exhaust, handlebars with cross members, universal tires, and adequate ground clearance for an off-road enduro motorcycle or trail motorcycle. The USA received the last DT125H in 1981.

The DT125 had a raised rear and front fender, raised exhaust, handlebars with cross members, universal tires, and adequate ground clearance for an off-road-enduro motorcycle or trail motorcycle.

When first launched the DT125 had a single cylinder, air-cooled, 2-stroke engine, a cradle style tubular steel frame, conventional telescopic front forks and dual shock swingarm rear suspension, and drum brakes front and rear. Over the years the model received numerous updates and restyles, the dates and specifications of which vary between different markets. Notable changes include the appearance of a single shock absorber rear swingarm in 1977, which Yamaha referred to as Mono-cross, or MX for short, a feature that appeared on many of Yamaha's other small and medium sized motorcycles at a similar time. In 1983 the DT125 received a major restyle and gained a liquid cooled engine to become the DT125LC. In 1985 the electrics were upgraded to 12v, the front brake drum was changed to a disc, and rising rate rear suspension was fitted with the introduction of the DT125LC mk3. Another restyle for 1987 gave us the DT125R, the most noticeable specification change from it's predecessor being the swap to a rear disc brake.

1974 DT125A

  • Starting Engine#: 444-000101

The Yamaha DT 125 model is a Enduro / offroad bike manufactured by Yamaha. The engine produces a maximum peak output power of 17.3 HP (12.9 Kw) @ 7000 RPM and a maximum torque of 14.00 Nm (10.00 ft.lbs) @ 7000 RPM.

1975 DT125B

  • Starting Engine#: 444-100101

1976 DT125C

  • Starting Engine#: 560-000101

1977 DT125

The 1977 Yamaha DT 125 is an entry-level, road-legal, off-road machine that can just as well be used for a daily commute to and from work. It comes standard with features such as laced wheels, a dual seat, a telescopic front fork, dual shocks as a rear suspension, a high-mounted exhaust, knobby tires mounted on them, a blacked-out frame, and a round headlamp.

In the tech/engine department it sports an air-cooled, two-stroke, 123cc, single cylinder powerhouse mated to a four-speed manual transmission, and can produce 14 horsepower and 14 Nm of torque.

1978 DT125E

  • Start Engine#: 2A6-000101

1979 DT125F

  • Starting Engine#: 2N4-000101

In Media


References

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