Yamaha TDR 250

Last updated
Yamaha TDR250
Yamaha TDR250.jpg
ManufacturerYamaha Motor Company
Also calledUltimate Dual
Production1988 - 1993
Class Dual Sport
Engine 249cc two-Stroke parallel twin YPVS
Transmission 6-speed constant mesh manual, chain final drive
Wheelbase 1,385 mm (54.5 in)
DimensionsL: 2,145 mm (84.4 in)
W: 785 mm (30.9 in)
Seat height820 mm (32.3 in)
Weight137 kg (302 lb) (dry)
Fuel capacity14.0 L (4 US gal; 3 imp gal)
Related Yamaha R1-Z, Yamaha TZR250

The Yamaha TDR250 was a street-legal middleweight dual-sport bike produced by Japanese motorcycle manufacturer Yamaha between 1988 and 1993.

Contents

It was powered by the naturally-aspirated, crankcase reed-valve inducted, liquid-cooled 249cc parallel-twin two-stroke engine from the first generation TZR250 (this same engine also powered the R1-Z). This engine featured the 'YPVS' Yamaha Power Valve System, CDI ignition and digital spark advance . Almost all of the engine, gearbox, and electrical components are interchangeable with the TZR and R1-Z.

The TDR was designed to provide agile handling and quick acceleration both on and off the road, and power delivery was modified to suit its intended use . The special upswept expansion chambers, unique to the TDR, part of this; as well as aiding ground clearance. The bike was originally released in a 250cc format, but a 240cc derivative was also produced exclusively for the French market. [1]

Specifications of TDR 250

Specifications for 1988 - 1993 model
Engine TypeParallel Twin Cylinder, Water Cooled, Two-Stroke, YPVS
CarburetionMikuni TM28SS x 2
Displacement249 cc [239 cc]
Bore × Stroke56.4 x 50.0 mm [55.2 x 50.0 mm]
Peak Power50.3 PS (37.1 kW) @ 10,000 rpm [44.3 PS (32.6 kW) @ 10,000 rpm]
Peak Torque3.7 kg-m (36.2 Nm) @8,500 rpm [3.5 kg-m (34.6 Nm) @9,500 rpm]
Compression Ratio5.9:1 [5.7:11]
Fuel Capacity14.0 L (4 US gal; 3 imp gal)
Oil Capacity1.4 L (0.4 US gal; 0.3 imp gal)
Seat Height820 mm (32.3 in)
Dry Weight137 kg (302 lb)
TiresFront 100/90-18H Rear 120/80-17H
BrakesFront Hydraulic disc, with 320 mm (12.6 in) floating disc and 4-pot opposed-piston caliper. Rear Hydraulic disc, with 210 mm (8.3 in) disc and opposed-piston caliper
Final driveChain

Note: []= French Model

Related Research Articles

Yamaha Motor Co., Ltd. is a Japanese mobility manufacturer that produces motorcycles, motorboats, outboard motors, and other motorized products. The company was established in the year 1955 upon separation from Nippon Gakki Co., Ltd. and is headquartered in Iwata, Shizuoka, Japan. The company conducts development, production and marketing operations through 109 consolidated subsidiaries as of 2012.

<span class="mw-page-title-main">Yamaha YZF-R1</span> Sport motorcycle

The Yamaha YZF-R1, or simply R1, is a 998 cc (60.9 cu in) sports motorcycle made by Yamaha. It was first released in 1998, undergoing significant updates in 2000, 2002, 2004, 2006, 2007, 2009, 2015, 2018 and 2020.

"Genesis" is Yamaha's marketing name for a range of innovative, high-performance multi-valve four-stroke motorcycle engines. The flexible design of the engine allowed Yamaha to use it on a variety of configurations, from sport bikes to outboard engines.

<span class="mw-page-title-main">Yamaha YZF-R7</span> Type of motorcycle

The Yamaha YZF-R7 or OW-02 is a race homologation motorcycle made by Yamaha in limited production run of only 500 units worldwide. It was designed to compete in the Superbike World Championship and Suzuka 8 Hours endurance races.

The two-stroke power valve system is an improvement to a conventional two-stroke engine that gives a high power output over a wider RPM range.

<span class="mw-page-title-main">Yamaha Diversion</span> Type of motorcycle

The Yamaha Diversion is a series of all-round touring motorcycles descended from Yamaha's earlier XJ series. Early Diversion models had a four-stroke air-cooled 8-valve inline-four engine. In 2009 the model name was retained for a new range with 16-valve liquid-cooled engines.

<span class="mw-page-title-main">Yamaha TDM850</span> Type of motorcycle

The Yamaha TDM is an 849 cc DOHC parallel-twin motorcycle that heralded the modern "Sport touring" category. The TDM was first manufactured by the Yamaha Motor Company of Japan in 1991. The TDM has a pressed-steel frame and a dry sump engine with five valves per cylinder,.

<span class="mw-page-title-main">Yamaha FZ1</span> Type of motorcycle

The Yamaha FZ1 is a naked bike made by Yamaha Motor Company in Japan.

<span class="mw-page-title-main">Yamaha YZF-R6</span> Sport motorcycle

The Yamaha YZF-R6 is a sport bike, produced by Yamaha as a 600 class from 1999 to 2020. From 2021, production availability is limited to race-only specification in most global markets, causing race organisers to realign their engine eligibility criteria to encourage other manufacturers having larger than 600 cc displacements to enter road-race competition from 2022. Race organisers wanted to provide scope for alternative machinery to move away from established tradition of the Yamaha R6 being the dominant marque in Supersport racing.

<span class="mw-page-title-main">Yamaha FZR1000</span> Motorcycle model produced by Yamaha

The Yamaha FZR1000 is a motorcycle produced by Yamaha from 1987 to 1995. Classed as a sports motorcycle.

<span class="mw-page-title-main">Yamaha TZR250</span> Type of motorcycle

The Yamaha TZR250 is a motorcycle manufactured and produced by the Japanese motorcycle manufacturer Yamaha between 1986 and 1995.

<span class="mw-page-title-main">Yamaha VMAX</span> Large capacity cruiser motorcycle

The Yamaha V-Max, is a cruiser motorcycle produced by Yamaha from 1985 through 2020. Known for its 70° V4 engine, shaft drive, and distinctive styling, the V-Max was discontinued following the 2020 model year.

<span class="mw-page-title-main">Yamaha YZ450F</span> Type of motorcycle

The Yamaha YZ450F is a four-stroke racing motocross bike built by Yamaha Motor Corporation. It was the successor to the previous YZ426F which was discontinued in 2003. It is credited by Cycle World and Dirt Rider magazines as the bike that started the four-stroke dirt bike revolution. The 2006 YZ250F and YZ450F were the first production motorcycles equipped with titanium suspension springs.

<span class="mw-page-title-main">Yamaha Nouvo</span> Type of motorcycle

The Yamaha Nouvo is a CVT underbone manufactured by Yamaha Motor. It was introduced in April 2002 for Southeast Asia markets and In 2004, Brazil, where it was renamed the Yamaha Neo. Nouvo is from the French word Nouveau, which means new or fashionable.

<span class="mw-page-title-main">Yamaha FZ750</span> Japanese motorcycle produced 1985 to 1991

The Yamaha FZ750 is a sports motorcycle produced by Yamaha Motor Corporation between 1985 and 1991. The FZ750 is notable for several reasons, perhaps the most radical being the 5-valve cylinder head with a radial arrangement. This became something of a Yamaha trademark. The FZ750 would be the first bike in the Genesis design concept.

<span class="mw-page-title-main">Yamaha YZF1000R Thunderace</span> Motorcycle

The Yamaha YZF1000R Thunderace was a motorcycle produced by Yamaha from 1996 until 2005.

<span class="mw-page-title-main">Yamaha XJR400</span> Type of motorcycle

The Yamaha XJR4004HM is a motorcycle manufactured by Yamaha. It is a sports naked bike with a maximum power output of 53ps at 11,000RPM. The XJR400 was built from 1993 until it was discontinued in 2007 due to stricter emissions regulation.

The Derbi GPR 125 is a street motorcycle sold by Derbi - Nacional Motor since 2005. The original GPR125 was powered by a single-cylinder two-stroke engine with a steel lined cast iron cylinder manufactured by Yamaha, but was superseded in 2010 by an all-new DOHC four-stroke four-valve model.

<span class="mw-page-title-main">Yamaha MT-09</span> Standard motorcycle

The Yamaha MT-09 is a street motorcycle of the MT series with an 847–890 cc (51.7–54.3 cu in) liquid-cooled four-stroke 12-valve DOHC inline-three engine with crossplane crankshaft and a lightweight cast alloy frame. For 2018, the bike is now designated MT-09 in all markets.

References

  1. "Yamaha TDR250". www.motorcyclespecs.co.za. Retrieved 2024-05-22.