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Difference between revisions of "Yamaha TZ250"
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{{DISPLAYTITLE:{{PAGENAME}}: history, specs, pictures}} | |||
==The TZ250== | ==The TZ250== | ||
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==TZ250F== | ==TZ250F== | ||
The '''TZ250F''' heralded welcome news for Yamaha fans when it was released in 1979. A 11kg weight reduction was achieved through further changes to the frame, (despite the fact they reverted back to welded steel engine mounting brackets from the alloy ones on the "E") including a steeper rake and an alloy swingarm, as well as this the bike featured a new exhaust and mounting system, an additional o-ring (from the previous single o-ring) in the header pipe, new conrod, wider intake port and minor | The '''TZ250F''' heralded welcome news for Yamaha fans when it was released in 1979. A 11kg weight reduction was achieved through further changes to the frame, (despite the fact they reverted back to welded steel engine mounting brackets from the alloy ones on the "E") including a steeper rake and an alloy swingarm, as well as this the bike featured a new exhaust and mounting system, an additional o-ring (from the previous single o-ring) in the header pipe, new conrod, wider intake port and minor carburetor mods. The primary drive gear picked up 2 teeth to match the 350's 25, the cylinder drain tube was altered. A dipstick was also introduced and the brake [[caliper]]s became cast alloy units like the 750's . Power remained the same as it had since the "D" at 53bhp @ 10,500rpm. A new fairing adorned the machine which was pointed below the header pipes and eliminated the old aluminum belly pan, a new fuel tank and seat unit appeared, and the clutch cover was reduced in size to a pressed aluminum job (the previous models utilised a cast aluminum unit completely covering the clutch) surrounding just the rear of the clutch unit. | ||
==TZ250G== | ==TZ250G== | ||
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Colin Edwards rode this [[Yamaha]] to win the American Motorcycle Association Road Racing 250cc Championship in 1992. This model has a [[v-twin]] engine design, a departure from the traditional parallel twin motors that had been used since the mid 1960s. The V-twin is narrower, and has less vibration, so the chassis can be made smaller and lighter. Another bonus is that the design gives more freedom to cylinder port design. | Colin Edwards rode this [[Yamaha]] to win the American Motorcycle Association Road Racing 250cc Championship in 1992. This model has a [[v-twin]] engine design, a departure from the traditional parallel twin motors that had been used since the mid 1960s. The V-twin is narrower, and has less vibration, so the chassis can be made smaller and lighter. Another bonus is that the design gives more freedom to cylinder port design. | ||
{{clear}} | {{clear}} | ||
==1998 TZ250 4TW== | |||
<gallery mode='packed-hover'> | |||
File:1998-yamaha-tz250-4tw-0.jpg|1998 Yamaha TZ250 4TW | |||
File:1998-yamaha-tz250-4tw-1.jpg|1998 Yamaha TZ250 4TW | |||
File:1998-yamaha-tz250-4tw-2.jpg|1998 Yamaha TZ250 4TW | |||
File:1998-yamaha-tz250-4tw-3.jpg|1998 Yamaha TZ250 4TW | |||
File:1998-yamaha-tz250-4tw-4.jpg|1998 Yamaha TZ250 4TW | |||
</gallery> | |||
==TZ250K== | ==TZ250K== | ||
<gallery mode='packed-hover'> | |||
File:2001-Yamaha-TZ250K1-Silver-8116-0.jpg|left|thumb|2001 Yamaha TZ250K1 in Silver | |||
File:2001-Yamaha-TZ250K1-Silver-8116-1.jpg|left|thumb|2001 Yamaha TZ250K1 in Silver | |||
File:2001-Yamaha-TZ250K1-Silver-8116-2.jpg|left|thumb|2001 Yamaha TZ250K1 in Silver | |||
File:2001-Yamaha-TZ250K1-Silver-8116-3.jpg|left|thumb|2001 Yamaha TZ250K1 in Silver | |||
File:2001-Yamaha-TZ250K1-Silver-8116-4.jpg|left|thumb|2001 Yamaha TZ250K1 in Silver | |||
File:2001-Yamaha-TZ250K1-Silver-8116-5.jpg|left|thumb|2001 Yamaha TZ250K1 in Silver | |||
File:2001-Yamaha-TZ250K1-Silver-8116-6.jpg|left|thumb|2001 Yamaha TZ250K1 in Silver | |||
File:2001-Yamaha-TZ250K1-Silver-8116-7.jpg|left|thumb|2001 Yamaha TZ250K1 in Silver | |||
</gallery> | |||
<br style="clear: left"/> | <br style="clear: left"/> | ||
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[[Category:Yamaha motorcycles|TZ250]] | [[Category:Yamaha motorcycles|TZ250]] | ||
[[Category:Yamaha TZ series]] | [[Category:Yamaha TZ series]] | ||
{{Motorcycle | |||
|name = Yamaha TZ250 | |||
|photo=1973-Yamaha-TZ250A.jpg | |||
|aka = TZ 250 | |||
|manufacturer = Yamaha | |||
|parent_company = | |||
|production = 2002 | |||
|model_year = | |||
|predecessor = | |||
|successor = | |||
|class = Racing | |||
|engine = v2, two-stroke | |||
|bore_stroke = 56.0mm x 50.7mm | |||
|compression = | |||
|top_speed =140 mph | |||
|power = 85.02 HP (63.4 KW) @ 12250RPM | |||
|torque = 36.88 ft/lbs (50.0 Nm) @ 11750RPM | |||
|fuel_system = | |||
|ignition = | |||
|spark_plug = | |||
|battery = | |||
|transmission = | |||
|frame = | |||
|suspension = | |||
|brakes =Front: dual disc <br>Rear: single disc | |||
|front_tire = {{tire|120/60-r17}} | |||
|rear_tire = {{tire|165/55-r17}} | |||
|rake_trail = | |||
|wheelbase = 52.95 inches (1345 mm) | |||
|length = 77.05 inches (1957 mm) | |||
|width = 25.59 inches (650 mm) | |||
|height = 42.4 inches (1077 mm) | |||
|seat_height = 30.43 inches (773 mm) | |||
|dry_weight = 229.28 pounds (104.0 Kg) | |||
|wet_weight = | |||
|fuel_capacity = | |||
|oil_capacity = | |||
|recommended_oil=Yamalube 10w-40 | |||
|fuel_consumption = | |||
|turning_radius = | |||
|related = | |||
|competition = | |||
}} | |||
The '''[[Yamaha]] TZ250''' was a v2, two-stroke Racing [[motorcycle]] produced by [[Yamaha]] in 2002. Max [[torque]] was 36.88 ft/lbs (50.0 Nm) @ 11750 RPM. Claimed [[horsepower]] was 85.02 HP (63.4 KW) @ 12250 RPM. | |||
==Engine== | |||
The engine was a [[liquid cooled]] v2, two-stroke. A 56.0mm [[bore]] x 50.7mm [[stroke]] result in a [[displacement]] of just 249.0 cubic centimeters. | |||
==Chassis== | |||
It came with a 120/60-r17 front [[tire]] and a 165/55-r17 rear tire. Stopping was achieved via dual disc in the front and a single disc in the rear. The bike weighed just 229.28 pounds (104.0 Kg). The wheelbase was 52.95 inches (1345 mm) long. | |||
==In Media== | |||
* [https://motopixel.org/pixel/confessions-of-a-sociopathic-social-climber#yamaha-tz250 Confessions of a Sociopathic Social Climber] | |||
* [https://motopixel.org/pixel/dan-cheng-lu#yamaha-tz250 Dan cheng lu] | |||
* [https://motopixel.org/pixel/i-kondra#yamaha-tz250 I kondra] | |||
[[Category:Racing motorcycles]] | |||
[[Category:Yamaha motorcycles]] | |||
[[Category:2000s motorcycles]] | |||