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| {{DISPLAYTITLE:{{PAGENAME}}: history, specs, pictures}}
| | #Redirect [[Beta 450RR]] |
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| {{Motorcycle
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| |name = Beta RR 4 Stroke 450
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| |aka =
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| |manufacturer = Beta
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| |parent_company =
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| |production = 2005
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| |model_year =
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| |predecessor =
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| |successor =
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| |class = Enduro
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| |engine = 1 Cylinder 4 Stroke
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| |bore_stroke = 88.9mm x 88.9mm
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| |compression = 11:1
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| |top_speed =
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| |power =
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| |torque =
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| |fuel_system = Carburetor, Keihin FCR-MX 39
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| |ignition =
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| |spark_plug ={{sparkplug|NGK LKAR8A-9}} ‘08-09<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>
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| |battery =
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| |transmission = Gear box: Gear <br>
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| Final Drive: Chain <br>
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| Clutch: Wet Clutch <br>
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| |frame =
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| |suspension =Front: Hydraulic Fork - Ø 45 Mm. - Stroke 290 Mm. <br>
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| Rear: Hydraulic Mono Shock Absorber - Wheel Str. 300 Mm.
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| |brakes =Front: Floating Disc Ø 255 Mm. <br>Rear: Disc Ø 240 Mm.
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| |front_tire = {{tire|90/90x21}}
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| |rear_tire = {{tire|140/80x18}}
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| |rake_trail =
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| |wheelbase = 59.02 inches (1499 mm)
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| |length = 89.41 inches (2271 mm)
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| |width = 32.01 inches (813 mm)
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| |height =
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| |seat_height = 37.01 inches (940 mm)
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| |dry_weight =
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| |wet_weight = 117.0 kg
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| |fuel_capacity =
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| |oil_capacity =
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| |fuel_consumption =
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| |turning_radius =
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| |related =
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| |competition =
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| |final_drive={{chain|520x114}} ‘08-09<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>
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| |front_sprocket=14T ‘08-09<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>
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| |rear_sprocket=50T ‘08-09<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>
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| }}
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| The '''[[Beta]] RR 4 Stroke 450''' was a 1 Cylinder 4 Stroke Enduro [[motorcycle]] produced by [[Beta]] in 2005.
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| ==Engine==
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| A 88.9mm [[bore]] x 88.9mm [[stroke]] result in a [[displacement]] of just 448.0 cubic centimeters.
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| ==Drive==
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| The bike has a Gear transmission. Power was moderated via the Wet Clutch.
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| ==Chassis==
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| It came with a 90/90x21 front [[tire]] and a 140/80x18 rear tire. Stopping was achieved via Floating Disc Ø 255 Mm. in the front and a Disc Ø 240 Mm. in the rear. The front suspension was a Hydraulic Fork - Ø 45 Mm. - Stroke 290 Mm. while the rear was equipped with a Hydraulic Mono Shock Absorber - Wheel Str. 300 Mm.. The wheelbase was 59.02 inches (1499 mm) long.
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| ==2005 Beta RR 4 Stroke 450==
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| The RR 4 Stroke 450 is a motorcycle in the Beta 4 stroke range, the middle brother of the 250 and 525 versions. It has a single cylinder, 4-stroke, liquid-cooled with countershaft and electric starting engine, a ground clearance of 320 mm and a wheelbase of 1490 mm. It is quite a handful, because of its big engine and low weight, only 117 kg.
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| ==References==
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| {{reflist}}
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| [[Category:Enduro motorcycles]]
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| [[Category:Beta motorcycles]]
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| [[Category:2000s motorcycles]]
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| [[Category:Motorcycles needing images]]
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