Beta RR 4 Stroke 450: history, specs, pictures
|Beta RR 4 Stroke 450|
1 Cylinder 4 Stroke
|Bore / Stroke||88.9mm x 88.9mm|
|Fuel System||Carburetor, Keihin FCR-MX 39|
|Transmission||Gear box: Gear
Final Drive: Chain
|Suspension||Front: Hydraulic Fork - Ø 45 Mm. - Stroke 290 Mm.
Rear: Hydraulic Mono Shock Absorber - Wheel Str. 300 Mm.
|Brakes||Front: Floating Disc Ø 255 Mm.
Rear: Disc Ø 240 Mm.
|Wheelbase||59.02 inches (1499 mm)|
|Length||89.41 inches (2271 mm)|
|Width||32.01 inches (813 mm)|
|Seat Height||37.01 inches (940 mm)|
|Weight||117.0 kg (wet)|
The bike has a Gear transmission. Power was moderated via the Wet Clutch.
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.