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{{DISPLAYTITLE:{{PAGENAME}}: history, specs, pictures}} | |||
{{Motorcycle | |||
|name = Beta RR 4 Stroke 450 | |||
|aka = | |||
|manufacturer = Beta | |||
|parent_company = | |||
|production = 2005 | |||
|model_year = | |||
|predecessor = | |||
|successor = | |||
|class = Enduro | |||
|engine = 1 Cylinder 4 Stroke | |||
|bore_stroke = 88.9mm x 88.9mm | |||
|compression = 11:1 | |||
|top_speed = | |||
|power = | |||
|torque = | |||
|fuel_system = Carburetor, Keihin FCR-MX 39 | |||
|ignition = | |||
|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> | |||
|battery = | |||
|transmission = Gear box: Gear <br> | |||
Final Drive: Chain <br> | |||
Clutch: Wet Clutch <br> | |||
|frame = | |||
|suspension =Front: Hydraulic Fork - Ø 45 Mm. - Stroke 290 Mm. <br> | |||
Rear: Hydraulic Mono Shock Absorber - Wheel Str. 300 Mm. | |||
|brakes =Front: Floating Disc Ø 255 Mm. <br>Rear: Disc Ø 240 Mm. | |||
|front_tire = {{tire|90/90x21}} | |||
|rear_tire = {{tire|140/80x18}} | |||
|rake_trail = | |||
|wheelbase = 59.02 inches (1499 mm) | |||
|length = 89.41 inches (2271 mm) | |||
|width = 32.01 inches (813 mm) | |||
|height = | |||
|seat_height = 37.01 inches (940 mm) | |||
|dry_weight = | |||
|wet_weight = 117.0 kg | |||
|fuel_capacity = | |||
|oil_capacity = | |||
|fuel_consumption = | |||
|turning_radius = | |||
|related = | |||
|competition = | |||
|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> | |||
|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> | |||
|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> | |||
}} | |||
The '''[[Beta]] RR 4 Stroke 450''' was a 1 Cylinder 4 Stroke Enduro [[motorcycle]] produced by [[Beta]] in 2005. | |||
==Engine== | |||
A 88.9mm [[bore]] x 88.9mm [[stroke]] result in a [[displacement]] of just 448.0 cubic centimeters. | |||
==Drive== | |||
The bike has a Gear transmission. Power was moderated via the Wet Clutch. | |||
==Chassis== | |||
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. | |||
==2005 Beta RR 4 Stroke 450== | |||
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. | |||
==References== | |||
{{reflist}} | |||
[[Category:Enduro motorcycles]] | |||
[[Category:Beta motorcycles]] | |||
[[Category:2000s motorcycles]] | |||
[[Category:Motorcycles needing images]] | |||