BSA A10 Rocket 650 Gold Star
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It could reach a top speed of 185 km/h / 115 mph.
BSA A10 Rocket 650 Gold Star | |
Manufacturer | |
---|---|
Production | 1584 units |
Engine | Four stroke, parallel twin cylinder, OHV |
Compression ratio | 9.1:1 |
Top Speed | 185 km/h / 115 mph |
Ignition | Lucas magdyno |
Battery | 6V |
Transmission | 4 Speed |
Frame | Welded seamless steel tubing with duplex downtubes and full cradle engine support, bolted-on rear sub frame |
Suspension | Front: Telescopic forks with coil spring - hydraulically damped Rear: Swinging arm, twin coil |
Brakes | Front: Drum, 8 in. Rear: Drum, 7 in. |
Front Tire | 3.25 x 19 in. |
Rear Tire | 4.00 x 19 in. |
Wheelbase | 1391 mm / 54.75 in. |
Weight | 143 kg / 315 lbs (dry), |
Fuel Capacity | 16 L / 4.2 US gal |
Manuals | Service Manual |
Engine
The engine was a Air cooled cooled Four stroke, parallel twin cylinder, OHV. The engine featured a 9.1:1 compression ratio.
Drive
Power was moderated via the Multi-plate with built-in cush drive.
Chassis
It came with a 3.25 x 19 in. front tire and a 4.00 x 19 in. rear tire. Stopping was achieved via Drum, 8 in. in the front and a Drum, 7 in. in the rear. The front suspension was a Telescopic forks with coil spring - hydraulically damped while the rear was equipped with a Swinging arm, twin coil. The A10 Rocket 650 Gold Star was fitted with a 16 L / 4.2 US gal fuel tank. The bike weighed just 143 kg / 315 lbs. The wheelbase was 1391 mm / 54.75 in. long.
Photos
Overview
Make Model | BSA Rocket Gold Star |
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Year | 1962 - 63 |
Production | 1584 units |
Engine Type | Four stroke, parallel twin cylinder, OHV |
Displacement | 646 cc / 39.4 cub in. |
Bore X Stroke | 70 x 84 mm |
Carburetor | Amal Monobloc |
Cooling System | Air cooled |
Compression | 9.1:1 |
Lubrication | Dry sump |
Exhaust | Single, stainless steel |
Ignition | Lucas magdyno |
Battery | 6V |
Starting | Kick start |
Max Power | 34 kW / 46 hp @ 6250 rpm Optional RRT 2 close ratio gearbox: 37 kW / 50 hp |
Clutch | Multi-plate with built-in cush drive |
Transmission | 4 Speed |
Final Drive | Chain |
Frame | Welded seamless steel tubing with duplex downtubes and full cradle engine support, bolted-on rear sub frame |
Front Suspension | Telescopic forks with coil spring - hydraulically damped |
Rear Suspension | Swinging arm, twin coil |
Front Brakes | Drum, 8 in. |
Rear Brakes | Drum, 7 in. |
Wheels | Shouldered alloy wheels, wire spokes |
Front Tire | 3.25 x 19 in. |
Rear Tire | 4.00 x 19 in. |
Dimensions | Length: 2100 mm / 84.0 in. |
Wheelbase | 1391 mm / 54.75 in. |
Dry Weight | 143 kg / 315 lbs |
Fuel Capacity | 16 L / 4.2 US gal |
Top Speed | 185 km/h / 115 mph |
Colours | Silver/chrome, Red/chrome |
Source | Wikipedia, Vintage Motorcycles Online, Bar Hopper Challenge, Classic Auctions |