Difference between revisions of "Yamaha YZ450F"
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− | {{DISPLAYTITLE: | + | {{DISPLAYTITLE: Yamaha YZ450F}} |
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− | [[File:Yamaha_yz450f.png|center| | + | [[File: Yamaha_yz450f.png | center | 600px]] |
− | + | The Yamaha YZ450F appeared in 2003, replacing the Yamaha YZ426F. The new model received an updated engine with increased displacement, as well as a new design. However, at that time, the YZ450F had the same steel frame and 4-speed gearbox. Numerous critics have noted the excessive engine power, due to which the motorcycle could not show record results in the disciplines of motocross. | |
+ | {{Ads_top}} | ||
+ | That began to change in 2005, when the Yamaha YZ450F received a new KYB front fork, and in 2006 it was completely redesigned. First, the model received an aluminum frame. Secondly, the engine was seriously revised and reconfigured, due to which the power curve became smoother, removing the same explosive uncontrollable character inherent in the previous generation. Thirdly, the 4-speed gearbox was replaced by the more familiar 5-speed gearbox. Fourth, the bike was equipped with a new KYB SSS (Speed-Sensitive System) fork. Fifth, the overall optimization and aluminum frame has reduced weight by nearly 10 pounds. | ||
− | + | In 2010, Yamaha introduces a new generation of the Yamaha YZ450F crossover. In addition to cosmetic differences, the model receives a new engine with a fuel injection system and a 4-valve cylinder head (instead of a 5-valve one). At the same time, the engine was tilted back, and the tank was located under the seat. All of these changes have resulted in optimized weight distribution, undercarriage geometry and ergonomics, which have a positive impact on the motorcycle's handling. | |
− | + | For 2014, the Yamaha YZ450F undergoes another revision. The appearance of the motorcycle changes, the exhaust system becomes shorter. The fuel tank capacity is increased (from 6 to 7.5 liters), and the chassis geometry is additionally optimized. | |
− | + | For 2018, Yamaha introduces the next generation YZ450F. The model receives an electric starter (+ battery) and completely refuses to kick-start. Appearance, ergonomics and overall dimensions change slightly. The engine raises the compression ratio from 12.5 to 12.8. The model is equipped with a new rear shock absorber. The fuel tank capacity is reduced from 7.5 liters to 6.2 liters. | |
− | + | On the basis of the cross-country Yamaha YZ450F, a hard-enduro model was also built - [[Yamaha_WR450 | Yamaha WR450F]]. | |
− | + | '''Main competitors:''' | |
+ | * [[Honda_CRF450 | Honda CRF450R]] | ||
+ | * [[Kawasaki_KX450F | Kawasaki KX450F]] | ||
+ | * [[KTM_450_SX-F | KTM 450 SX-F]] | ||
+ | * [[Suzuki_RM-Z450 | Suzuki RM-Z450]] | ||
− | + | == Photos == | |
− | + | <gallery mode = "packed" heights = 250px> | |
− | + | File: Img yz450f 1.jpg | | |
− | + | File: Img yz450f 2.jpg | | |
− | + | File: Img yz450f 3.jpg | | |
+ | </gallery> | ||
− | + | {{Ads_feed}} | |
+ | {{ads_post}} | ||
− | + | == Specifications == | |
− | + | Specifications Yamaha YZ450F: | |
− | + | {| class = "wikitable" | |
− | + | ! scope = "row" | Model | |
− | + | | Yamaha YZ450F | |
− | |||
− | == | ||
− | |||
− | {| class="wikitable" | ||
− | ! scope="row"| | ||
− | |Yamaha YZ450F | ||
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Motorcycle type |
− | | | + | | cross |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Release year |
− | |2003+ | + | | 2003+ |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Frame |
− | | | + | | Steel Half Duplex - YZ450F (2003-2005) |
− | + | Aluminum Half Duplex - YZ450F (2006+) | |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Engine type |
− | |1- | + | | 1-cylinder, 4-stroke |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Working volume |
− | |449 | + | | 449 cm³ |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Bore / stroke |
− | |95 | + | | 95.0 x 63.4mm - YZ450F (2003-2009) |
− | 97 | + | 97.0 x 60.8mm - YZ450F (2010+) |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Compression ratio |
− | |12.5 | + | | 12.5 - YZ450F (2003-2005, 2010-2017) |
− | 12.3 | + | 12.3 - YZ450F (2006-2009) |
− | 12.8 | + | 12.8 - YZ450F (2018+) |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Cooling |
− | | | + | | liquid |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Number of valves per cylinder |
− | |DOHC, 5 | + | | DOHC, 5 Valves - YZ450F (2003-2009) |
− | DOHC | + | DOHC 4 Valve - YZ450F (2010+) |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Fuel supply system |
− | | | + | | Carburetor, 1x Keihin FCR-MX39 - YZ450F (2003-2009) |
− | + | Injector, 1x 44 mm - YZ450F (2010+) | |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Ignition type |
− | |CDI | + | | CDI - YZ450F (2003-2009) |
− | TCI | + | TCI - YZ450F (2010+) |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Maximum power |
− | |60 | + | | 60.0 h.p. (44.1 kW) @ 9000 rpm - YZ450F (2003-2009) |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Maximum torque |
− | |52 | + | | 52.9 Nm (5.4 kg-m) @ 6500 rpm - YZ450F (2003-2009) |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Gearbox |
− | |4- | + | | 4-speed - YZ450F (2003-2005) |
− | 5- | + | 5-speed - YZ450F (2006+) |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Drive type |
− | | | + | | chain |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Front tire size |
− | |80/100-21 51M | + | | 80 / 100-21 51M |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Rear tire size |
− | |110/90-19 62M, 120/80-19 63M | + | | 110 / 90-19 62M, 120 / 80-19 63M |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Front brakes |
− | |1 | + | | 1 disc, 250mm, 2-piston caliper - YZ450F (2003-2015) |
− | + | Single disc, 270mm, 2-piston caliper - YZ450F (2016+) | |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Rear brakes |
− | |1 | + | | 1 disc, 245 mm, 1-piston caliper |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Front suspension |
− | | | + | | 48mm Inverted Fork (Fully Adjustable), 300mm Travel - YZ450F (2003-2009) |
− | + | Inverted 48mm Fork (Fully Adjustable), 310mm Travel - YZ450F (2010+) | |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Rear suspension |
− | | | + | | Swingarm with monoshock (fully adjustable), stroke - 315 mm - YZ450F (2003-2005, 2010-2017) |
− | + | Swingarm with monoshock (fully adjustable), travel - 310 mm - YZ450F (2006-2009) | |
− | + | Swingarm with monoshock (fully adjustable), travel - 317 mm - YZ450F (2018+) | |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Motorcycle length |
− | | | + | | 2171mm - YZ450F (2003-2005) |
− | 2192 | + | 2192 mm - YZ450F (2006-2013) |
− | 2175 | + | 2175 mm - YZ450F (2014-2017) |
− | 2185 | + | 2185 mm - YZ450F (2018+) |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Motorcycle width |
− | |827 | + | | 827 mm - YZ450F (2003-2005) |
− | + | 815mm - YZ450F (2006-2009) | |
− | + | 825mm - YZ450F (2010+) | |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Motorcycle height |
− | | | + | | 1303mm - YZ450F (2003-2005) |
− | + | 1298mm - YZ450F (2006-2009) | |
− | 1311 | + | 1311 mm - YZ450F (2010-2013) |
− | + | 1280mm - YZ450F (2014-2017) | |
− | 1285 | + | 1285 mm - YZ450F (2018+) |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Wheelbase |
− | | | + | | 1485mm - YZ450F (2003-2005, 2018+) |
− | 1495 | + | 1495 mm - YZ450F (2006-2009) |
− | 1492 | + | 1492 mm - YZ450F (2010-2013) |
− | 1480 | + | 1480 mm - YZ450F (2014-2017) |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Saddle height |
− | | | + | | 995mm - YZ450F (2003-2005) |
− | + | 986mm - YZ450F (2006-2009) | |
− | 999 | + | 999 mm - YZ450F (2010-2013) |
− | 975 | + | 975 mm - YZ450F (2014-2017) |
− | + | 980mm - YZ450F (2018+) | |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Minimum ground clearance |
− | | | + | | 371mm - YZ450F (2003-2009) |
− | + | 383mm - YZ450F (2010-2013) | |
− | + | 335mm - YZ450F (2014-2017) | |
− | + | 330mm - YZ450F (2018+) | |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Acceleration to 100 km / h |
| | | | ||
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Maximum speed |
| | | | ||
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Fuel tank capacity |
− | |7 | + | | 7.0 L - YZ450F (2003-2009) |
− | 6 | + | 6.0 L - YZ450F (2010-2013) |
− | 7 | + | 7.5 L - YZ450F (2014-2017) |
− | 6 | + | 6.2 L - YZ450F (2018+) |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Motorcycle weight (dry) |
− | |99 | + | | 99.8 kg - YZ450F (2006-2009) |
|- | |- | ||
− | ! scope="row"| | + | ! scope = "row" | Motorcycle weight (curb) |
− | |113 | + | | 113.0 kg - YZ450F (2003-2005) |
− | 111 | + | 111.0 kg - YZ450F (2010+) |
|- | |- | ||
|} | |} | ||
− | == | + | == Yamaha Off-Road Motorcycles == |
− | + | {{Yamaha_enduro}} | |
− | |||
− | |||
− | |||
− | == | + | == Documentation == |
− | + | [[Category:Motorcycles]] | |
− | * [[ | + | * [[Yamaha_YZ450F:_manuals|Yamaha YZ450F]] |
− | == | + | == == |
− | + | {{Ads_recomended}} |
Latest revision as of 21:49, 15 August 2021
The Yamaha YZ450F appeared in 2003, replacing the Yamaha YZ426F. The new model received an updated engine with increased displacement, as well as a new design. However, at that time, the YZ450F had the same steel frame and 4-speed gearbox. Numerous critics have noted the excessive engine power, due to which the motorcycle could not show record results in the disciplines of motocross.
That began to change in 2005, when the Yamaha YZ450F received a new KYB front fork, and in 2006 it was completely redesigned. First, the model received an aluminum frame. Secondly, the engine was seriously revised and reconfigured, due to which the power curve became smoother, removing the same explosive uncontrollable character inherent in the previous generation. Thirdly, the 4-speed gearbox was replaced by the more familiar 5-speed gearbox. Fourth, the bike was equipped with a new KYB SSS (Speed-Sensitive System) fork. Fifth, the overall optimization and aluminum frame has reduced weight by nearly 10 pounds.
In 2010, Yamaha introduces a new generation of the Yamaha YZ450F crossover. In addition to cosmetic differences, the model receives a new engine with a fuel injection system and a 4-valve cylinder head (instead of a 5-valve one). At the same time, the engine was tilted back, and the tank was located under the seat. All of these changes have resulted in optimized weight distribution, undercarriage geometry and ergonomics, which have a positive impact on the motorcycle's handling.
For 2014, the Yamaha YZ450F undergoes another revision. The appearance of the motorcycle changes, the exhaust system becomes shorter. The fuel tank capacity is increased (from 6 to 7.5 liters), and the chassis geometry is additionally optimized.
For 2018, Yamaha introduces the next generation YZ450F. The model receives an electric starter (+ battery) and completely refuses to kick-start. Appearance, ergonomics and overall dimensions change slightly. The engine raises the compression ratio from 12.5 to 12.8. The model is equipped with a new rear shock absorber. The fuel tank capacity is reduced from 7.5 liters to 6.2 liters.
On the basis of the cross-country Yamaha YZ450F, a hard-enduro model was also built - Yamaha WR450F.
Main competitors:
Photos
Specifications
Specifications Yamaha YZ450F:
Model | Yamaha YZ450F |
---|---|
Motorcycle type | cross |
Release year | 2003+ |
Frame | Steel Half Duplex - YZ450F (2003-2005)
Aluminum Half Duplex - YZ450F (2006+) |
Engine type | 1-cylinder, 4-stroke |
Working volume | 449 cm³ |
Bore / stroke | 95.0 x 63.4mm - YZ450F (2003-2009)
97.0 x 60.8mm - YZ450F (2010+) |
Compression ratio | 12.5 - YZ450F (2003-2005, 2010-2017)
12.3 - YZ450F (2006-2009) 12.8 - YZ450F (2018+) |
Cooling | liquid |
Number of valves per cylinder | DOHC, 5 Valves - YZ450F (2003-2009)
DOHC 4 Valve - YZ450F (2010+) |
Fuel supply system | Carburetor, 1x Keihin FCR-MX39 - YZ450F (2003-2009)
Injector, 1x 44 mm - YZ450F (2010+) |
Ignition type | CDI - YZ450F (2003-2009)
TCI - YZ450F (2010+) |
Maximum power | 60.0 h.p. (44.1 kW) @ 9000 rpm - YZ450F (2003-2009) |
Maximum torque | 52.9 Nm (5.4 kg-m) @ 6500 rpm - YZ450F (2003-2009) |
Gearbox | 4-speed - YZ450F (2003-2005)
5-speed - YZ450F (2006+) |
Drive type | chain |
Front tire size | 80 / 100-21 51M |
Rear tire size | 110 / 90-19 62M, 120 / 80-19 63M |
Front brakes | 1 disc, 250mm, 2-piston caliper - YZ450F (2003-2015)
Single disc, 270mm, 2-piston caliper - YZ450F (2016+) |
Rear brakes | 1 disc, 245 mm, 1-piston caliper |
Front suspension | 48mm Inverted Fork (Fully Adjustable), 300mm Travel - YZ450F (2003-2009)
Inverted 48mm Fork (Fully Adjustable), 310mm Travel - YZ450F (2010+) |
Rear suspension | Swingarm with monoshock (fully adjustable), stroke - 315 mm - YZ450F (2003-2005, 2010-2017)
Swingarm with monoshock (fully adjustable), travel - 310 mm - YZ450F (2006-2009) Swingarm with monoshock (fully adjustable), travel - 317 mm - YZ450F (2018+) |
Motorcycle length | 2171mm - YZ450F (2003-2005)
2192 mm - YZ450F (2006-2013) 2175 mm - YZ450F (2014-2017) 2185 mm - YZ450F (2018+) |
Motorcycle width | 827 mm - YZ450F (2003-2005)
815mm - YZ450F (2006-2009) 825mm - YZ450F (2010+) |
Motorcycle height | 1303mm - YZ450F (2003-2005)
1298mm - YZ450F (2006-2009) 1311 mm - YZ450F (2010-2013) 1280mm - YZ450F (2014-2017) 1285 mm - YZ450F (2018+) |
Wheelbase | 1485mm - YZ450F (2003-2005, 2018+)
1495 mm - YZ450F (2006-2009) 1492 mm - YZ450F (2010-2013) 1480 mm - YZ450F (2014-2017) |
Saddle height | 995mm - YZ450F (2003-2005)
986mm - YZ450F (2006-2009) 999 mm - YZ450F (2010-2013) 975 mm - YZ450F (2014-2017) 980mm - YZ450F (2018+) |
Minimum ground clearance | 371mm - YZ450F (2003-2009)
383mm - YZ450F (2010-2013) 335mm - YZ450F (2014-2017) 330mm - YZ450F (2018+) |
Acceleration to 100 km / h | |
Maximum speed | |
Fuel tank capacity | 7.0 L - YZ450F (2003-2009)
6.0 L - YZ450F (2010-2013) 7.5 L - YZ450F (2014-2017) 6.2 L - YZ450F (2018+) |
Motorcycle weight (dry) | 99.8 kg - YZ450F (2006-2009) |
Motorcycle weight (curb) | 113.0 kg - YZ450F (2003-2005)
111.0 kg - YZ450F (2010+) |
Yamaha Off-Road Motorcycles
Yamaha | ||
---|---|---|
85-150 см³ | YZ85 · WR125 · YZ125 | |
200-250 см³ | TW200 · TW225 · Serow 225 · Serow 250 · TT-R250 · WR250F · XG250 · YZ250 · YZ250F | |
400-500 см³ | WR450F · YZ450F | |
600-750 см³ | XT660R |
Documentation